List of Publications

Frederic Merkt

[1] High-resolution FTIR spectroscopy of CHClF2 in a supersonic free jet expansion

A. Amrein, D. Luckhaus, F. Merkt, and M. Quack, Chem. Phys. Lett. 152(4–5), 275–280 (1988)

doi: 10.1016/0009-2614(88)80092-7

[2] Resonance-enhanced sum-frequency generation of XUV radiation in CO

F. Merkt and T. P. Softley, Chem. Phys. Lett. 165(6), 477–486 (1990)

doi: 10.1016/0009-2614(90)87026-N

Erratum, Chem. Phys. Lett. 172(6), 529 (1990)

[3] State selective doubly enhanced sum-frequency mixing in CO

F. Merkt and T. P. Softley, J. Chem. Phys. 93(3), 1540–1545 (1990)

doi: 10.1063/1.459132

[4] Prediction of rotational line intensities in doubly-enhanced four-wave mixing (DEFMI) spec-troscopy

F. Merkt and T. P. Softley, Mol. Phys. 72(4), 787–801 (1991)

doi: 10.1080/00268979100100561

[5] Photoionisation and ZEKE photoelectron spectroscopy of Ar, H2 and CO2 using a coherentXUV laser source

H. H. Fielding, T. P. Softley, and F. Merkt, Chem. Phys. 155(2), 257–265 (1991)

doi: 10.1016/0301-0104(91)87025-Q

[6] Final-state interactions in the zero-kinetic-energy-photoelectron spectrum of H2

F. Merkt and T. P. Softley, J. Chem. Phys. 96(6), 4149–4156 (1992)

doi: 10.1063/1.461870

[7] Rotationally resolved zero-kinetic-energy photoelectron spectrum of nitrogen

F. Merkt and T. P. Softley, Phys. Rev. A 46(1), 302–314 (1992)

doi: 10.1103/PhysRevA.46.302

[8] Electric field effects on zero-kinetic-energy photoelectron spectra: An explanation of observedtrends

F. Merkt, H. H. Fielding, and T. P. Softley, Chem. Phys. Lett. 202(1–2), 153–160 (1993)

doi: 10.1016/0009-2614(93)85365-U

[9] Intensity perturbations in the v+ = 2, 1 and 0 bands of the zero-kinetic-energy (ZEKE) pho-toelectron spectrum of N2

S. H. S. Wilson, R. J. Rednall, H. H. Fielding, F. Merkt, and T. P. Softley, J. Electron Spectrosc.66(1–2), 151–166 (1993)

doi: 10.1016/0368-2048(93)01834-2

[10] High-resolution threshold photoelectron spectrum of molecular oxygen

F. Merkt, P. M. Guyon, and J. Hepburn, Chem. Phys. 173(3), 479–189 (1993)

doi: 10.1016/0301-0104(93)80162-3

[11] The zero-kinetic-energy photoelectron spectrum of nitrogen between 15.5 and 26.5 eV

F. Merkt and P. M. Guyon, J. Chem. Phys. 99(5), 3400–3410 (1993)

doi: 10.1063/1.465150

[12] Preparation of ions in selected rotational states by delayed pulsed field ionization

F. Merkt, S. R. Mackenzie, and T. P. Softley, J. Chem. Phys. 99(5), 4213–4214 (1993)

doi: 10.1063/1.466119

1

[13] Rotational line intensities in zero kinetic energy photoelectron spectroscopy (ZEKE-PES)

F. Merkt and T. P. Softley, Int. Rev. Phys. Chem. 12(2), 205–239 (1993)

doi: 10.1080/01442359309353282

[14] Zero-kinetic-energy photoelectron spectrum of carbon dioxide

F. Merkt, S. R. Mackenzie, R. J. Rednall, and T. P. Softley, J. Chem. Phys. 99(11), 8430–8439(1993)

doi: 10.1063/1.466212

[15] Collisional and electric field effects in the delayed pulsed field ionization zero-kinetic-energyphotoelectron spectrum of argon

F. Merkt, J. Chem. Phys. 100(4), 2623–2628 (1994)

doi: 10.1063/1.466457

[16] On the lifetimes of Rydberg states probed by delayed pulsed field ionization

F. Merkt and R. N. Zare, J. Chem. Phys. 101(5), 3495–3505 (1994)

doi: 10.1063/1.467534

[17] VUV-ZEKE photoelectron spectroscopy: Final-state interaction in small molecular systems

F. Merkt and T. P. Softley, In: I. Powis, T. Baer, and C. Y. Ng, “High Resolution LaserPhotoionization and Photoelectron Studies”, Chichester, John Wiley & Sons, 119–170 (1995)

[18] Rotational state selectivity in N+2 X 2Σ+

g (v+ = 0) by delayed pulsed field ionization spec-troscopy via the a′′ 1Σ+

g (v′ = 0) state

S. R. Mackenzie, F. Merkt, E. J. Halse, and T. P. Softley, Mol. Phys. 86(5), 1283–1297 (1995)

doi: 10.1080/00268979500102731

[19] Rotational autoionization dynamics in high Rydberg states of nitrogen

F. Merkt, S. R. Mackenzie, and T. P. Softley, J. Chem. Phys. 103(11), 4509–4518 (1995)

doi: 10.1063/1.470639

[20] Threshold photoelectron spectrum of molecular oxygen in the region of the B 2Σ−g ← X 3Σ−gtransition

F. Merkt and P. M. Guyon, J. Phys. Chem. 99(43), 15775–15778 (1995)

doi: 10.1021/j100043a014

[21] Measurement of the state-specific differential cross section for the H+D2→ HD(v′=4, J ′=3)+Dreaction at a collision energy of 2.2 eV

H. Xu, N. E. Shafer-Ray, F. Merkt, D. J. Hughes, M. Springer, R. P. Tuckett, and R. N. Zare,J. Chem. Phys. 103(12), 5157–5160 (1995)

doi: 10.1063/1.470604

[22] Rotationally state-selected ion-molecule reactions studied using pulsed-field ionization tech-niques

S. R. Mackenzie, E. J. Halse, F. Merkt, and T. P. Softley, Proc. SPIE 2548, 293–304 (1995)

doi: 10.1117/12.220857

[23] Preparation and characterization of long-lived molecular Rydberg states: Application to HD

F. Merkt, H. Xu, and R. N. Zare, J. Chem. Phys. 104(3), 950–961 (1996)

doi: 10.1063/1.470818

[24] Electric field ionization of high Rydberg states of Ar with sequences of identical pulses

F. Merkt, R. J. Rednall, S. R. Mackenzie, and T. P. Softley, Phys. Rev. Lett. 76(19), 3526–3529(1996)

doi: 10.1103/PhysRevLett.76.3526

2

[25] From Rydberg state dynamics to ion–molecule reactions using ZEKE spectroscopy

T. P. Softley, S. R. Mackenzie, F. Merkt, and D. Rolland, In: P. Gaspard and I. Burghardt,“Advances in Chemical Physics: Chemical Reactions and Their Control on the FemtosecondTime Scale (20th Solvay Conference on Chemistry)”, John Wiley & Sons, Inc., 667–699 (1997)

doi: 10.1002/9780470141601.ch25

[26] Structure of the ammonium radical from a rotationally resolved photoelectron spectrum

R. Signorell, H. Palm, and F. Merkt, J. Chem. Phys. 106(16), 6523–6533 (1997)

doi: 10.1063/1.473653

[27] Molecules in high Rydberg states

F. Merkt, Ann. Rev. Phys. Chem. 48, 675–709 (1997)

doi: 10.1146/annurev.physchem.48.1.675

[28] Ion density effects in the pulsed field ionization of high Rydberg states

H. Palm and F. Merkt, Chem. Phys. Lett. 270(1–2), 1–8 (1997)

doi: 10.1016/S0009-2614(97)00322-9

[29] On the role of ions in pulsed field ionization zero-kinetic-energy photoelectron spectroscopy

H. Palm, R. Signorell, and F. Merkt, Phil. Trans. R. Soc. Lond. A 355(1729), 1551–1568 (1997)

doi: 10.1098/rsta.1997.0076

[30] General symmetry selection rules for the photoionization of polyatomic molecules

R. Signorell and F. Merkt, Mol. Phys. 92(5), 793–804 (1997)

doi: 10.1080/002689797169745

[31] The first adiabatic ionization potential of Ar2

R. Signorell, A. Wuest, and F. Merkt, J. Chem. Phys. 107(24), 10819–10822 (1997)

doi: 10.1063/1.474199

[32] High Rydberg states of argon: Stark effect and field-ionization properties

F. Merkt, A. Osterwalder, R. Seiler, R. Signorell, H. Palm, H. Schmutz, and R. Gunzinger, J.Phys. B: At. Mol. Opt. Phys. 31(8), 1705–1724 (1998)

doi: 10.1088/0953-4075/31/8/020

[33] High resolution laser spectroscopy beyond 18 eV: The B 2Σ+u ← X 1Σ+

g photoelectronic transi-tion of N2

H. Palm and F. Merkt, Chem. Phys. Lett. 284(5–6), 419–422 (1998)

doi: 10.1016/S0009-2614(97)01444-9

[34] Generation of tunable coherent extreme ultraviolet radiation beyond 19 eV by resonant four-wave mixing in argon

H. Palm and F. Merkt, Appl. Phys. Lett. 73(2), 157–159 (1998)

doi: 10.1063/1.121741

[35] Very high resolution spectroscopy of high Rydberg states of the argon atom

F. Merkt and H. Schmutz, J. Chem. Phys. 108(24), 10033–10045 (1998)

doi: 10.1063/1.476464

[36] Towards resolving the hyperfine structure in ions by photoelectron spectroscopy

F. Merkt, R. Signorell, H. Palm, A. Osterwalder, and M. Sommavilla, Mol. Phys. 95(5), 1045–1054 (1998)

doi: 10.1080/002689798166657

[37] Role of electron spin coupling in molecular photoionization: The b 4Σ−g ← X 3Σ−g photoelec-tronic transition of O2

H. Palm and F. Merkt, Phys. Rev. Lett. 81(7), 1385–1388 (1998)

doi: 10.1103/PhysRevLett.81.13853

[38] The first electronic states of Ar+2 studied by high resolution photoelectron spectroscopy

R. Signorell and F. Merkt, J. Chem. Phys. 109(22), 9762–9771 (1998)

doi: 10.1063/1.477646

[39] Artifacts in PFI-ZEKE photoelectron spectroscopy

R. Signorell and F. Merkt, In: C. Sandorfy, “The Role of Rydberg States in Spectroscopy andPhotochemistry”, Kluwer Academic Publishers, 479–504 (1999)

doi: 10.1007/0-306-46938-3_17

[40] The first rotationally resolved spectrum of CH+4

R. Signorell and F. Merkt, J. Chem. Phys. 110(5), 2309–2311 (1999)

doi: 10.1063/1.477965

[41] Using high Rydberg states as electric field sensors

A. Osterwalder and F. Merkt, Phys. Rev. Lett. 82(9), 1831–1834 (1999)

doi: 10.1103/PhysRevLett.82.1831

[42] Jahn–Teller distortion in CD2H+2 from a rotationally resolved photoelectron spectrum

R. Signorell, M. Sommavilla, and F. Merkt, Chem. Phys. Lett. 312(2–4), 139–148 (1999)

doi: 10.1016/S0009-2614(99)00949-5

[43] PFI-ZEKE photoelectron spectra of the methane cation and the dynamic Jahn-Teller effect

R. Signorell and F. Merkt, Faraday Discuss. 115, 205–228 (2000)

doi: 10.1039/a909272b

[44] High-resolution spectroscopy of high Rydberg states: Chemical and technological applications

F. Merkt, Chimia 54(3), 89–95 (2000)

[45] A broadly tunable extreme ultraviolet laser source with a 0.008 cm−1 bandwidth

U. Hollenstein, H. Palm, and F. Merkt, Rev. Sci. Instrum. 71(11), 4023–4028 (2000)

doi: 10.1063/1.1310344

[46] Measurement of the hyperfine structure in low-l, high-n Rydberg states of ortho H2 by mil-limeter wave spectroscopy

A. Osterwalder, R. Seiler, and F. Merkt, J. Chem. Phys. 113(18), 7939–7944 (2000)

doi: 10.1063/1.1315608

[47] (a) High-resolution pulsed field ionization study of high Rydberg states of benzene

A. Osterwalder, S. Willitsch, and F. Merkt, J. Mol. Struct. 599(1–3), 163–176 (2001)

doi: 10.1016/S0022-2860(01)00849-3

(b) An appreciation of Alfred Bauder

F. Merkt and M. Quack, J. Mol. Struct. 599(1–3), 1–8, (2001)

[48] High-resolution photoelectron spectroscopic study of the first electronic state of Kr+2R. Signorell, U. Hollenstein, and F. Merkt, J. Chem. Phys. 114(22), 9840–9851 (2001)

doi: 10.1063/1.1370939

[49] Selective field ionization of high Rydberg states: Application to zero-kinetic-energy photoelec-tron spectroscopy

U. Hollenstein, R. Seiler, H. Schmutz, M. Andrist, and F. Merkt, J. Chem. Phys. 115(12),5461–5469 (2001)

doi: 10.1063/1.1396856

[50] Rydberg-state-resolved zero-kinetic-energy photoelectron spectroscopy

R. Seiler, U. Hollenstein, G. M. Greetham, and F. Merkt, Chem. Phys. Lett. 346(3–4), 201–208(2001)

doi: 10.1016/S0009-2614(01)00928-9

4

[51] High-resolution vacuum ultraviolet photoelectron spectroscopy

U. Hollenstein, R. Seiler, A. Osterwalder, M. Sommavilla, A. Wuest, P. Rupper, S. Willitsch,G. M. Greetham, B. Brupbacher-Gatehouse, and F. Merkt, Chimia 55(10), 759–762 (2001)

[52] Experimental determination of the potential energy curves of the I(3/2u) and I(3/2g) states ofKr+2A. Wuest, P. Rupper, and F. Merkt, Mol. Phys. 99(23), 1941–1958 (2001)

doi: 10.1080/00268970110083573

[53] Rovibrational energy level structure of the X 2B1 ground electronic state of CH2CO+ andCD2CO+

S. Willitsch, A. Haldi, and F. Merkt, Chem. Phys. Lett. 353(1–2), 167–177 (2002)

doi: 10.1016/S0009-2614(01)01495-6

[54] Millimetre wave spectroscopy of high Rydberg states

F. Merkt and A. Osterwalder, Int. Rev. Phys. Chem. 21(3), 385–403 (2002)

doi: 10.1080/01442350210151641

[55] The ionization energy of methylene (CH2) from a rotationally resolved photoelectron spectrumand its thermochemical implications

S. Willitsch, L. L. Imbach, and F. Merkt, J. Chem. Phys. 117(5), 1939–1940 (2002)

doi: 10.1063/1.1496468

[56] Assignment of the first five electronic states of Ar+2 from the rotational fine structure of pulsed-field-ionization zero-kinetic-energy photoelectron spectra

P. Rupper and F. Merkt, J. Chem. Phys. 117(9), 4264–4281 (2002)

doi: 10.1063/1.1497159

[57] High-resolution laser absorption spectroscopy in the extreme ultraviolet

M. Sommavilla, U. Hollenstein, G. M. Greetham, and F. Merkt, J. Phys. B: At. Mol. Opt.Phys. 35(18), 3901–3921 (2002)

doi: 10.1088/0953-4075/35/18/309

[58] Dissociation energies of the I(3/2g) and I(1/2g) states of Ar+2P. Rupper and F. Merkt, Mol. Phys. 100(24), 3781–3784 (2002)

doi: 10.1080/0026897021000026656

[59] The lowest electronic states of Ne+2 , Ar+2 and Kr+2 : Comparison of theory and experiment

T.-K. Ha, P. Rupper, A. Wuest, and F. Merkt, Mol. Phys. 101(6), 827–838 (2003)

doi: 10.1080/0026897031000075624

[60] Characterization of the X 2A1 (0,0,0) ground vibronic state of CH+2 by pulsed-field-ionization

zero-kinetic-energy photoelectron spectroscopy

S. Willitsch and F. Merkt, J. Chem. Phys. 118(5), 2235–2241 (2003)

doi: 10.1063/1.1531619

[61] Determination of the ionization energy of krypton by Rydberg-state-resolved threshold-ionizationspectroscopy

U. Hollenstein, R. Seiler, and F. Merkt, J. Phys. B: At. Mol. Opt. Phys. 36(5), 893–903 (2003)

doi: 10.1088/0953-4075/36/5/309

[62] Determination of the interaction potential of the ground electronic state of Ne2 by high-resolution vacuum ultraviolet laser spectroscopy

A. Wuest and F. Merkt, J. Chem. Phys. 118(19), 8807–8812 (2003)

doi: 10.1063/1.1566944

5

[63] Controlling the motion of hydrogen molecules

S. R. Procter, Y. Yamakita, F. Merkt, and T. P. Softley, Chem. Phys. Lett. 374(5–6), 667–675(2003)

doi: 10.1016/S0009-2614(03)00812-1

[64] High-resolution threshold-ionization spectroscopy of NH3

R. Seiler, U. Hollenstein, T. P. Softley, and F. Merkt, J. Chem. Phys. 118(22), 10024–10033(2003)

doi: 10.1063/1.1571528

[65] Generation and high-resolution photoelectron spectroscopy of small organic radicals in coldsupersonic expansions

S. Willitsch, J. M. Dyke, and F. Merkt, Helv. Chim. Acta 86(4), 1152–1166 (2003)

doi: 10.1002/hlca.200390100

[66] High-resolution VUV photoionization spectroscopy of HD between the X 2Σ+g v+ = 0 and

v+ = 1 thresholds

G. M. Greetham, U. Hollenstein, R. Seiler, W. Ubachs, and F. Merkt, Phys. Chem. Chem.Phys. 5(12), 2528–2534 (2003)

doi: 10.1039/b302876n

[67] Multichannel quantum defect theory and high-resolution spectroscopy of the hyperfine structureof high Rydberg states of 83Kr

H. J. Worner, U. Hollenstein, and F. Merkt, Phys. Rev. A 68(3), 032510:1–16 (2003)

doi: 10.1103/PhysRevA.68.032510

[68] Potential energy curves of diatomic molecular ions from high-resolution photoelectron spec-troscopy. I. The first six electronic states of Ar+2A. Wuest and F. Merkt, J. Chem. Phys. 120(2), 638–646 (2004)

doi: 10.1063/1.1621618

[69] Ionization from a double bond: Rovibronic photoionization dynamics of ethylene, large ampli-tude torsional motion and vibronic coupling in the ground state of C2H

+4

S. Willitsch, U. Hollenstein, and F. Merkt, J. Chem. Phys. 120(4), 1761–1774 (2004)

doi: 10.1063/1.1635815

[70] Nonhydrogenic effects in the deceleration of Rydberg atoms in inhomogeneous electric fields

E. Vliegen, H. J. Worner, T. P. Softley, and F. Merkt, Phys. Rev. Lett. 92(3), 033005:1–4(2004)

doi: 10.1103/PhysRevLett.92.033005

[71] Intense narrow-bandwidth extreme ultraviolet laser system tunable up to 20 eV

P. Rupper and F. Merkt, Rev. Sci. Instrum. 75(3), 613–622 (2004)

doi: 10.1063/1.1646744

[72] High-resolution vacuum ultraviolet laser spectroscopy of the C 0+u ← X 0+g transition of Xe2

A. Wuest, U. Hollenstein, K. G. de Bruin, and F. Merkt, Can. J. Chem. 82(6), 750–761 (2004)

doi: 10.1139/V04-073

[73] Rotationally resolved photoelectron spectrum of the lowest singlet electronic state of NH+2 and

ND+2 : Photoionization dynamics and rovibrational energy level structure of the a+ 1A1 state

S. Willitsch, J. M. Dyke, and F. Merkt, Mol. Phys. 102(14–15), 1543–1553 (2004)

doi: 10.1080/00268970410001725855

[74] High-resolution photoelectron spectroscopy and ab initio quantum chemistry

S. Willitsch, A. Wuest, and F. Merkt, Chimia 58(5), 281–286 (2004)

doi: 10.2533/000942904777677830

6

[75] Deflection and deceleration of hydrogen Rydberg molecules in inhomogeneous electric fields

Y. Yamakita, S. R. Procter, A. L. Goodgame, T. P. Softley, and F. Merkt, J. Chem. Phys.121(3), 1419–1431 (2004)

doi: 10.1063/1.1763146

[76] Pulsed-field-ionization zero-kinetic-energy (PFI-ZEKE) photoelectron spectroscopic study ofthe Renner–Teller effect in the A+ 2Π state of OCS+

M. Sommavilla and F. Merkt, J. Phys. Chem. A 108(45), 9970–9978 (2004)

doi: 10.1021/jp0478458

[77] High-resolution millimeter wave spectroscopy and multichannel quantum defect theory of thehyperfine structure in high Rydberg states of molecular hydrogen H2

A. Osterwalder, A. Wuest, F. Merkt, and Ch. Jungen, J. Chem. Phys. 121(23), 11810–11838(2004)

doi: 10.1063/1.1792596

[78] Potential energy curves of diatomic molecular ions from high-resolution photoelectron spectra.II. The first six electronic states of Xe+2P. Rupper, O. Zehnder, and F. Merkt, J. Chem. Phys. 121(17), 8279–8290 (2004)

doi: 10.1063/1.1804953

[79] Energy level structure and potential energy curve of the C 0+u state of Ne2 by high-resolutionVUV laser spectroscopy

A. Wuest and F. Merkt, Chem. Phys. Lett. 397(4–6), 344–353 (2004)

doi: 10.1016/j.cplett.2004.08.087

[80] Potential energy curves of diatomic molecular ions from high-resolution photoelectron spec-troscopy. III. The low-lying ungerade states of Kr+2A. Wuest and F. Merkt, Mol. Phys. 103(9), 1285–1300 (2005)

doi: 10.1080/00268970412331332088

[81] High-resolution pulsed-field-ionization zero-kinetic-energy photoelectron spectroscopic study ofthe two lowest electronic states of the ozone cation O+

3

S. Willitsch, F. Innocenti, J. M. Dyke, and F. Merkt, J. Chem. Phys. 122(2), 024311:1–11(2005)

doi: 10.1063/1.1829974

[82] Role of nuclear spin in photoionization: Hyperfine-resolved photoionization of Xe and multi-channel quantum defect theory analysis

H. J. Worner, M. Grutter, E. Vliegen, and F. Merkt, Phys. Rev. A 71(5), 052504:1–14 (2005)

doi: 10.1103/PhysRevA.71.052504

Erratum, Phys. Rev. A 73(5), 059904 (2006)

[83] On the electrostatic deceleration of argon atoms in high Rydberg states by time-dependentinhomogeneous electric fields

E. Vliegen and F. Merkt, J. Phys. B: At. Mol. Opt. Phys. 38(11), 1623–1636 (2005)

doi: 10.1088/0953-4075/38/11/004

[84] Rovibronic photoionization dynamics of asymmetric-top molecules

S. Willitsch and F. Merkt, Int. J. Mass Spectrom. 245(1–3), 14–25 (2005)

doi: 10.1016/j.ijms.2005.06.004

[85] Generation of programmable near-Fourier-transform-limited pulses of narrow-band laser radi-ation from the near infrared to the vacuum ultraviolet

R. Seiler, Th. Paul, M. Andrist, and F. Merkt, Rev. Sci. Instrum. 76(10), 103103:1–10 (2005)

doi: 10.1063/1.2081891

7

[86] High-resolution spectroscopy of xenon using a tunable Fourier-transform-limited all-solid-statevacuum-ultraviolet laser system

Th. A. Paul and F. Merkt, J. Phys. B: At. Mol. Opt. Phys. 38(22), 4145–4154 (2005)

doi: 10.1088/0953-4075/38/22/017

[87] On the rotational structure of a prominent band in the vacuum-ultraviolet spectrum of molec-ular nitrogen

M. Sommavilla and F. Merkt, J. Electron Spectrosc. Relat. Phenom. 151(1), 31–33 (2006)

doi: 10.1016/j.elspec.2005.09.009

[88] Photoelectron spectroscopic study of the first singlet and triplet states of the cyclopentadienylcation

H. J. Worner and F. Merkt, Angew. Chem. Int. Ed. 45(2), 293–296 (2006)

doi: 10.1002/anie.200503032

[89] A 240–380 GHz millimetre wave source for very high resolution spectroscopy of high Rydbergstates

M. Schafer, M. Andrist, H. Schmutz, F. Lewen, G. Winnewisser, and F. Merkt, J. Phys. B: At.Mol. Opt. Phys 39(4), 831–845 (2006)

doi: 10.1088/0953-4075/39/4/008

[90] Thermochemical properties of small open-shell systems: Experimental and high-level ab initioresults for NH2 and NH+

2

S. Willitsch, F. Merkt, M. Kallay, and J. Gauss, Mol. Phys. 104(9), 1457–1461 (2006)

doi: 10.1080/13895260500518551

[91] Measurement of the three-dimensional velocity distribution of Stark-decelerated Rydberg atoms

E. Vliegen, P. Limacher, and F. Merkt, Eur. Phys. J. D 40(1), 73–80 (2006)

doi: 10.1140/epjd/e2006-00095-1

[92] Stark deceleration of hydrogen atoms

E. Vliegen and F. Merkt, J. Phys. B: At. Mol. Opt. Phys. 39(11), L241–L247 (2006)

doi: 10.1088/0953-4075/39/11/L03

[93] Bending energy level structure and quasilinearity of the X+ 3B1 ground electronic state of NH+2

S. Willitsch, Ch. Jungen, and F. Merkt, J. Chem. Phys. 124(20), 204312:1–11 (2006)

doi: 10.1063/1.2193519

[94] Autoionizing even 2p51/2 n`

′[K ′]0,1,2 (`′ = 1, 3) Rydberg series of Ne: A comparison of many-electron theory and experiment

I. D. Petrov, V. L. Sukhorukov, T. Peters, O. Zehnder, H. J. Worner, F. Merkt, and H. Hotop,J. Phys. B: At. Mol. Opt. Phys 39(16), 3159–3176 (2006)

doi: 10.1088/0953-4075/39/16/002

[95] Normal-incidence electrostatic Rydberg atom mirror

E. Vliegen and F. Merkt, Phys. Rev. Lett. 97(3), 033002:1–4 (2006)

doi: 10.1103/PhysRevLett.97.033002

[96] Rovibrational photoionization dynamics of methyl and its isotopomers studied by high-resolutionphotoionization and photoelectron spectroscopy

A. M. Schulenburg, Ch. Alcaraz, G. Grassi, and F. Merkt, J. Chem. Phys. 125(10), 104310:1–10 (2006)

doi: 10.1063/1.2348875

[97] The Jahn-Teller effect in the methane cation: Rovibronic structure and the geometric phase

H. J. Worner, R. van der Veen, and F. Merkt, Phys. Rev. Lett. 97(17), 173003:1–4 (2006)

doi: 10.1103/PhysRevLett.97.173003

8

[98] Millimeter-wave spectroscopy and multichannel quantum-defect-theory analysis of high Ryd-berg states of krypton: The hyperfine structure of 83Kr+

M. Schafer and F. Merkt, Phys. Rev. A 74(6), 062506:1–10 (2006)

doi: 10.1103/PhysRevA.74.062506

[99] Structure and dynamics of the high gerade Rydberg states of D2 in the vicinity of the adiabaticionisation threshold

Th. A. Paul, H. A. Cruse, H. J. Worner, and F. Merkt, Mol. Phys. 105(5–7), 871–883 (2007)

doi: 10.1080/00268970601146898

[100] Stark deceleration and trapping of hydrogen Rydberg atoms

E. Vliegen, S. D. Hogan, H. Schmutz, and F. Merkt, Phys. Rev. A 76(2), 023405:1–6 (2007)

doi: 10.1103/PhysRevA.76.023405

[101] Multistage Zeeman deceleration of hydrogen atoms

N. Vanhaecke, U. Meier, M. Andrist, B. H. Meier, and F. Merkt, Phys. Rev. A 75(3), 031402(R):1–4 (2007)

doi: 10.1103/PhysRevA.75.031402

[102] Role of spins in molecular photoionization: Spectroscopy and dynamics of autoionizing Rydbergstates of ortho-H2

H. J. Worner, S. Mollet, Ch. Jungen, and F. Merkt, Phys. Rev. A 75(6), 062511:1–13 (2007)

doi: 10.1103/PhysRevA.75.062511

[103] Jahn-Teller effect in tetrahedral symmetry: Large-amplitude tunneling motion and rovibronicstructure of CH+

4 and CD+4

H. J. Worner, X. Qian, and F. Merkt, J. Chem. Phys. 126(14), 144305:1–16 (2007)

doi: 10.1063/1.2712840

[104] Jahn-Teller effect in CH3D+ and CD3H

+: Conformational isomerism, tunneling-rotation struc-ture, and the location of conical intersections

H. J. Worner and F. Merkt, J. Chem. Phys. 126(15), 154304:1–13 (2007)

doi: 10.1063/1.2716394

[105] Rovibronic photoionization dynamics of ammonia isotopomers

U. Hollenstein, F. Merkt, L. Meyer, R. Seiler, T. P. Softley, and S. Willitsch, Mol. Phys.105(11–12), 1711–1722 (2007)

doi: 10.1080/00268970701429889

[106] Diradicals, antiaromaticity, and the pseudo-Jahn-Teller effect: Electronic and rovibronic struc-tures of the cyclopentadienyl cation

H. J. Worner and F. Merkt, J. Chem. Phys. 127(3), 034303:1–16 (2007)

doi: 10.1063/1.2748049

[107] Zeeman deceleration of H and D

S. D. Hogan, D. Sprecher, M. Andrist, N. Vanhaecke, and F. Merkt, Phys. Rev. A 76(2),023412:1–11 (2007)

doi: 10.1103/PhysRevA.76.023412

[108] Millimetre wave spectroscopy and MQDT calculations of high Rydberg states

M. Schafer and F. Merkt, In: M. Telmini, N. T. Mliki, and E. Sediki, “AIP Conference Proceed-ings – Fundamental and Applied Spectroscopy: Second International Spectroscopy Conference(ISC 2007), Sousse (Tunisia), March 25–28, 2007”, 214–219 (2007)

doi: 10.1063/1.2795417

9

[109] Spectroscopic characterization of the potential energy functions of Ne2 Rydberg states in thevicinity of the Ne(1S0) + Ne(4p′) dissociation limits

E. Kleimenov, O. Zehnder, and F. Merkt, J. Mol. Spectrosc. 247(1), 85–99 (2008)

doi: 10.1016/j.jms.2007.10.008

[110] Structure und dynamics of high Rydberg states studied by high-resolution spectroscopy andmultichannel quantum defect theory

M. Schafer and F. Merkt, In: J. Laane, “Frontiers of Molecular Spectroscopy”, Amsterdam,Elsevier, 35–61 (2009)

doi: 10.1016/B978-0-444-53175-9.00003-9

[111] Demonstration of three-dimensional electrostatic trapping of state-selected Rydberg atoms

S. D. Hogan and F. Merkt, Phys. Rev. Lett. 100(4), 043001:1–4 (2008)

doi: 10.1103/PhysRevLett.100.043001

[112] The low-lying electronic states of ArXe+ and their potential energy functions

O. Zehnder and F. Merkt, J. Chem. Phys. 128(1), 014306:1–14 (2008)

doi: 10.1063/1.2815801

[113] Stark and Zeeman deceleration of neutral atoms and molecules

S. D. Hogan, E. Vliegen, D. Sprecher, N. Vanhaecke, M. Andrist, H. Schmutz, U. Meier,B. H. Meier, and F. Merkt, In: L. Hollberg, J. Bergquist, and M. Kasevich, “Laser Spectroscopy:Proceedings of the XVIII International Conference on ICOLS 2007”, Singapore, World Scien-tific Publishing Co Pte Ltd, 153–166 (2008)

doi: 10.1142/9789812813206_0013

[114] Pulsed-field-ionization zero-kinetic-energy photoelectron spectroscopy of metastable He2: Ion-ization potential and rovibrational structure of He+2M. Raunhardt, M. Schafer, N. Vanhaecke, and F. Merkt, J. Chem. Phys. 128(16), 164310:1–12(2008)

doi: 10.1063/1.2904563

[115] Proposed antimatter gravity measurement with an antihydrogen beam

A. Kellerbauer, M. Amoretti, A. S. Belov, G. Bonomi, I. Boscolo, R. S. Brusa, M. Buchner,V. M. Byakov, L. Cabaret, C. Canali, C. Carraro, F. Castelli, S. Cialdi, M. de Combarieu,D. Comparat, G. Consolati, N. Djourelov, M. Doser, G. Drobychev, A. Dupasquier, G. Fer-rari, P. Forget, L. Formaro, A. Gervasini, M. G. Giammarchi, S. N. Gninenko, G. Gribakin,S. D. Hogan, M. Jacquey, V. Lagomarsino, G. Manuzio, S. Mariazzi, V. A. Matveev, J. O. Meier,F. Merkt, P. Nedelec, M. K. Oberthaler, P. Pari, M. Prevedelli, F. Quasso, A. Rotondi, D. Sil-lou, S. V. Stepanov, H. H. Stroke, G. Testera, G. M. Tino, G. Trenec, A. Vairo, J. Vigue,H. Walters, U. Warring, S. Zavatarelli, and D. S. Zvezhinskij, Nucl. Instrum. Meth. B 266(3),351–356 (2008)

doi: 10.1016/j.nimb.2007.12.010

[116] Hyperfine structure of the ground state of para-D+2 by high-resolution Rydberg-state spec-

troscopy and multichannel quantum defect theory

H. A. Cruse, Ch. Jungen, and F. Merkt, Phys. Rev. A 77(4), 042502:1–8 (2008)

doi: 10.1103/PhysRevA.77.042502

[117] Spectroscopic study and multichannel quantum defect theory analysis of the Stark effect inRydberg states of neon

M. Grutter, O. Zehnder, T. P. Softley, and F. Merkt, J. Phys. B: At. Mol. Opt. Phys. 41(11),115001:1–11 (2008)

doi: 10.1088/0953-4075/41/11/115001

10

[118] Slow beams of atomic hydrogen by multistage Zeeman deceleration

S. D. Hogan, A. W. Wiederkehr, M. Andrist, H. Schmutz, and F. Merkt, J. Phys. B: At. Mol.Opt. Phys. 41(8), 081005:1–4 (2008)

doi: 10.1088/0953-4075/41/8/081005

[119] The low-lying electronic states of KrXe+ and their potential energy functions

O. Zehnder and F. Merkt, Mol. Phys. 106(9–10), 1215–1226 (2008)

doi: 10.1080/00268970802084815

[120] The formaldehyde cation: Rovibrational energy level structure and Coriolis interaction nearthe adiabatic ionization threshold

A. M. Schulenburg, M. Meisinger, P. P. Radi, and F. Merkt, J. Mol. Spectrosc. 250(1), 44–50(2008)

doi: 10.1016/j.jms.2008.04.005

[121] On the R-dependence of the spin-orbit coupling constant: Potential energy functions of Xe+2by high-resolution photoelectron spectroscopy and ab initio quantum chemistry

O. Zehnder, R. Mastalerz, M. Reiher, F. Merkt, and R. A. Dressler, J. Chem. Phys. 128(23),234306:1–13 (2008)

doi: 10.1063/1.2937133

[122] Spectroscopic characterization and potential energy functions of the six low-lying electronicstates of ArKr+

E. Kleimenov, L. Piticco, and F. Merkt, Mol. Phys. 106(15), 1835–1846 (2008)

doi: 10.1080/00268970802322082

[123] Magnetic trapping of hydrogen after multistage Zeeman deceleration

S. D. Hogan, A. W. Wiederkehr, H. Schmutz, and F. Merkt, Phys. Rev. Lett. 101(14), 143001:1–4 (2008)

doi: 10.1103/PhysRevLett.101.143001

[124] Generation of tunable Fourier-transform-limited terahertz pulses in 4-N,N -dimethylamino-4′-N ′-methyl stilbazolium tosylate crystals

J. Liu and F. Merkt, Appl. Phys. Lett. 93(13), 131105:1–3 (2008)

doi: 10.1063/1.2977490

[125] Nuclear-spin effects in the photoionization of krypton

Th. A. Paul, J. Liu, and F. Merkt, Phys. Rev. A 79(2), 022505:1–15 (2009)

doi: 10.1103/PhysRevA.79.022505

[126] Rotationally resolved photoelectron spectroscopic study of the Jahn-Teller effect in allene

A. M. Schulenburg and F. Merkt, J. Chem. Phys. 130(3), 034308:1–10 (2009)

doi: 10.1063/1.3056385

[127] Determination of the ionization and dissociation energies of the hydrogen molecule

J. Liu, E. J. Salumbides, U. Hollenstein, J. C. J. Koelemeij, K. S. E. Eikema, W. Ubachs, andF. Merkt, J. Chem. Phys. 130(17), 174306:1–8 (2009)

doi: 10.1063/1.3120443

[128] (a) Jahn-Teller effects in molecular cations studied by photoelectron spectroscopy and grouptheory

H. J. Worner and F. Merkt, Angew. Chem. Int. Ed. 48(35), 6404–6424 (2009)

doi: 10.1002/anie.200900526

(b) Untersuchung des Jahn-Teller-Effekts in molekularen Kationen mithilfe von Photoelektro-nenspektroskopie und Gruppentheorie

H. J. Worner and F. Merkt, Angew. Chem. 121(35), 6524–6545, (2009)

doi: 10.1002/ange.20090052611

[129] Generation of widely tunable Fourier-transform-limited terahertz pulses using narrowbandnear-infrared laser radiation

J. Liu, H. Schmutz, and F. Merkt, J. Mol. Spectrosc. 256(1), 111–118 (2009)

doi: 10.1016/j.jms.2009.02.022

[130] Single-photon and resonance-enhanced multiphoton threshold ionization of the allyl radical

M. Gasser, A. M. Schulenburg, P. M. Dietiker, A. Bach, F. Merkt, and P. Chen, J. Chem. Phys.131(1), 014304:1–8 (2009)

doi: 10.1063/1.3157185

[131] Rovibronic analysis of the Jahn-Teller effect in CH2D+2 at low energies

M. Grutter, H. J. Worner, and F. Merkt, J. Chem. Phys. 131(2), 024309:1–9 (2009)

doi: 10.1063/1.3157210

[132] Rydberg-state-enabled deceleration and trapping of cold molecules

S. D. Hogan, Ch. Seiler, and F. Merkt, Phys. Rev. Lett. 103(12), 123001:1–4 (2009)

doi: 10.1103/PhysRevLett.103.123001

[133] Report on the Latsis Symposium ‘Intramolecular Dynamics, Symmetry and Spectroscopy’,September 6–10, 2008, ETH Zurich, Switzerland

C. Manca Tanner, G. Seyfang, and F. Merkt, Chimia 63(7–8), 516–520 (2009)

doi: 10.2533/chimia.2009.516

[134] A new perspective on the binding power of an electron

S. D. Hogan and F. Merkt, ChemPhysChem 10(17), 2931–2934 (2009)

doi: 10.1002/cphc.200900499

(Research highlight on the article “Observation of ultralong-range Rydberg molecules” by V.Bendkowsky, B. Butscher, J. Nipper, J. P. Shaffer, R. Low and T. Pfau, Nature 458, 1005–1008(2009))

[135] Structure of the low-lying electronic states of Xe+2 from rotationally resolved photoelectronspectra

K. Vasilatou, U. Hollenstein, and F. Merkt, Mol. Phys. 108(7–9), 915–926 (2010)

doi: 10.1080/00268970903567296

[136] PFI-ZEKE photoelectron and high resolution photoionization spectra of ND3 with MQDTsimulations

L. Duggan, M. Raunhardt, M. Schafer, U. Hollenstein, T. P. Softley, and F. Merkt, Mol. Phys.108(7–9), 1069–1082 (2010)

doi: 10.1080/00268971003649315

[137] Millimeter-wave spectroscopy and multichannel quantum-defect-theory analysis of high Ryd-berg states of xenon: The hyperfine structure of 129Xe+ and 131Xe+

M. Schafer, M. Raunhardt, and F. Merkt, Phys. Rev. A 81(3), 032514:1–17 (2010)

doi: 10.1103/PhysRevA.81.032514

[138] Determination of the ionization and dissociation energies of the deuterium molecule (D2)

J. Liu, D. Sprecher, C. Jungen, W. Ubachs, and F. Merkt, J. Chem. Phys. 132(15), 154301:1–11 (2010)

doi: 10.1063/1.3374426

[139] Trapping deuterium atoms

A. W. Wiederkehr, S. D. Hogan, B. Lambillotte, M. Andrist, H. Schmutz, J. Agner, Y. Salathe,and F. Merkt, Phys. Rev. A 81(2), 021402(R):1–4 (2010)

doi: 10.1103/PhysRevA.81.021402

12

[140] High-resolution photoelectron spectroscopy

F. Merkt, S. Willitsch, and U. Hollenstein, In: M. Quack and F. Merkt, “Handbook of High-Resolution Spectroscopy”, Chichester, John Wiley & Sons, 1617–1654 (2011)

doi: 10.1002/9780470749593.hrs071

[141] Rovibrational structure and potential energy function of the X 0+ ground electronic state ofArXe

L. Piticco, F. Merkt, A. A. Cholewinski, F. R. W. McCourt, and R. J. Le Roy, J. Mol. Spectrosc.264(2), 83–93 (2010)

doi: 10.1016/j.jms.2010.08.007

[142] The rotational structure of the origin band of the pulsed-field-ionization, zero-kinetic-energyphotoelectron spectra of propene-h6 and propene-d6

K. Vasilatou, M. Schafer, and F. Merkt, J. Phys. Chem. A 114(42), 11085–11090 (2010)

doi: 10.1021/jp101929d

[143] Vibrational spectra of chloroform, freon-11 and selected isotopomers in the terahertz region

C. Haase, J. Liu, and F. Merkt, J. Mol. Spectrosc. 262(1), 61–63 (2010)

doi: 10.1016/j.jms.2010.04.007

[144] Rotationally resolved spectroscopy and dynamics of the 3px1A2 Rydberg state of formaldehyde

M. Meisinger, A. M. Schulenburg, F. Merkt, and P. P. Radi, Phys. Chem. Chem. Phys. 12(48),15592–15599 (2010)

doi: 10.1039/c0cp00191k

[145] Fundamentals of electronic spectroscopy

H. J. Worner and F. Merkt, In: M. Quack and F. Merkt, “Handbook of High-ResolutionSpectroscopy”, Chichester, John Wiley & Sons, 175–262 (2011)

doi: 10.1002/9780470749593.hrs069

[146] Autoionization dynamics of even Ar (3p51/2np′,nf′) resonances: Comparison of experiment and

theory

I. D. Petrov, V. L. Sukhorukov, U. Hollenstein, L. J. Kaufmann, F. Merkt, and H. Hotop, J.Phys. B: At. Mol. Opt. Phys 44(2), 025004:1–11 (2011)

doi: 10.1088/0953-4075/44/2/025004

[147] Internal rotation in Jahn-Teller coupled systems: The ethene and allene cations

A. M. Schulenburg and F. Merkt, Chem. Phys. 377(1–3), 66–77 (2010)

doi: 10.1016/j.chemphys.2010.08.017

[148] Communication: The ionization and dissociation energies of HD

D. Sprecher, J. Liu, C. Jungen, W. Ubachs, and F. Merkt, J. Chem. Phys. 133(11), 111102:1–4(2010)

doi: 10.1063/1.3483462

[149] Dissociation dynamics of ion-pair states of Cl2 at principal quantum numbers beyond 1500

S. Mollet and F. Merkt, Phys. Rev. A 82(3), 032510:1–6 (2010)

doi: 10.1103/PhysRevA.82.032510

[150] Phase stability in a multistage Zeeman decelerator

A. W. Wiederkehr, S. D. Hogan, and F. Merkt, Phys. Rev. A 82(4), 043428:1–12 (2010)

doi: 10.1103/PhysRevA.82.043428

[151] Molecular quantum mechanics and molecular spectra, molecular symmetry, and interaction ofmatter with radiation

F. Merkt and M. Quack, In: M. Quack and F. Merkt, “Handbook of High-Resolution Spec-troscopy”, Chichester, John Wiley & Sons, 1–55 (2011)

doi: 10.1002/9780470749593.hrs00113

[152] Photoelectron spectroscopic study of the E⊗e Jahn-Teller effect in the presence of a tunablespin–orbit interaction. I. Photoionization dynamics of methyl iodide and rotational fine struc-ture of CH3I

+ and CD3I+

M. Grutter, J. M. Michaud, and F. Merkt, J. Chem. Phys. 134(5), 054308:1–12 (2011)

doi: 10.1063/1.3547548

[153] Collisional and radiative processes in adiabatic deceleration, deflection, and off-axis trappingof a Rydberg atom beam

Ch. Seiler, S. D. Hogan, H. Schmutz, J. A. Agner, and F. Merkt, Phys. Rev. Lett. 106(7),073003:1–4 (2011)

doi: 10.1103/PhysRevLett.106.073003

[154] Towards measuring the ionisation and dissociation energies of molecular hydrogen with sub-MHz accuracy

D. Sprecher, C. Jungen, W. Ubachs, and F. Merkt, Faraday Discuss. 150, 51–70 (2011)

doi: 10.1039/C0FD00035C

[155] Trapping cold molecular hydrogen

Ch. Seiler, S. D. Hogan, and F. Merkt, Phys. Chem. Chem. Phys. 13(42), 19000–19012 (2011)

doi: 10.1039/C1CP21276A

[156] Deceleration of supersonic beams using inhomogeneous electric and magnetic fields

S. D. Hogan, M. Motsch, and F. Merkt, Phys. Chem. Chem. Phys. 13(42), 18705–18723 (2011)

doi: 10.1039/C1CP21733J

[157] Photoelectron spectroscopic study of the E⊗e Jahn-Teller effect in the presence of a tunablespin-orbit interaction. II. Rovibronic analysis of the 2E ground state of CH3Cl+

M. Grutter and F. Merkt, Mol. Phys. 109(17–18), 2251–2266 (2011)

doi: 10.1080/00268976.2011.609143

[158] Torsional vibrational structure of the propene radical cation studied by high-resolution photo-electron spectroscopy

K. Vasilatou and F. Merkt, J. Chem. Phys. 135(12), 124310:1–14 (2011)

doi: 10.1063/1.3638182

[159] Multistage Zeeman deceleration of metastable neon

A. W. Wiederkehr, M. Motsch, S. D. Hogan, M. Andrist, H. Schmutz, B. Lambillotte, J. A. Ag-ner, and F. Merkt, J. Chem. Phys. 135(21), 214202:1–14 (2011)

doi: 10.1063/1.3662141

[160] Driving Rydberg–Rydberg transitions from a coplanar microwave waveguide

S. D. Hogan, J. A. Agner, F. Merkt, T. Thiele, S. Filipp, and A. Wallraff, Phys. Rev. Lett.108(6), 063004:1–5 (2012)

doi: 10.1103/PhysRevLett.108.063004

[161] Surface–electrode Rydberg–Stark decelerator

S. D. Hogan, P. Allmendinger, H. Saßmannshausen, H. Schmutz, and F. Merkt, Phys. Rev.Lett. 108(6), 063008:1–5 (2012)

doi: 10.1103/PhysRevLett.108.063008

[162] Photoionization dynamics of excited Ne, Ar, Kr and Xe atoms near threshold

V. L. Sukhorukov, I. D. Petrov, M. Schafer, F. Merkt, M.-W. Ruf, and H. Hotop, J. Phys. B:At. Mol. Opt. Phys 45(9), 092001:1–43 (2012)

doi: 10.1088/0953-4075/45/9/092001

14

[163] Structure and dynamics of the electronically excited C 1 and D 0+ states of ArXe from high-resolution vacuum ultraviolet spectra

L. Piticco, M. Schafer, and F. Merkt, J. Chem. Phys. 136(7), 074304:1–15 (2012)

doi: 10.1063/1.3682770

[164] Spin-orbit coupling and potential energy functions of Ar+2 and Kr+2 by high-resolution photo-electron spectroscopy and ab initio quantum chemistry

R. Mastalerz, O. Zehnder, M. Reiher, and F. Merkt, J. Chem. Theory Comput. 8(10), 3671–3685 (2012)

doi: 10.1021/ct300078m

[165] Velocity-tunable slow beams of cold O2 in a single spin-rovibronic state with full angular-momentum orientation by multistage Zeeman deceleration

A. W. Wiederkehr, H. Schmutz, M. Motsch, and F. Merkt, Mol. Phys. 110(15–16), 1807–1814(2012)

doi: 10.1080/00268976.2012.681312

[166] Dynamical processes in Rydberg–Stark deceleration and trapping of atoms and molecules

Ch. Seiler, S. D. Hogan, and F. Merkt, Chimia 66(4), 208–211 (2012)

doi: 10.2533/chimia.2012.208

[167] Photoelectron spectroscopic study of the E⊗e Jahn-Teller effect in the presence of a tunablespin-orbit interaction. III. Two-state excitonic model accounting for observed trends in the X2Eground state of CH3X

+ (X = F, Cl, Br, I) and CH3Y (Y = O, S)

M. Grutter, X. Qian, and F. Merkt, J. Chem. Phys. 137(8), 084313:1–12 (2012)

doi: 10.1063/1.4745002

[168] Rotationally resolved PFI-ZEKE photoelectron spectroscopic study of the low-lying electronicstates of ArXe+

L. Piticco and F. Merkt, J. Chem. Phys. 137(9), 094308:1–13 (2012)

doi: 10.1063/1.4747549

[169] High-resolution spectroscopic study of the C 0+ and D 1 Rydberg states of KrXe and of the X1/2 and A1 3/2 states of KrXe+

L. Piticco and F. Merkt, J. Mol. Spectrosc. 284–285, 37–53 (2013)

doi: 10.1016/j.jms.2012.12.003

[170] Motional, isotope and quadratic Stark effects in Rydberg-Stark deceleration and electric trap-ping of H and D

S. D. Hogan, Ch. Seiler, and F. Merkt, J. Phys. B: At. Mol. Opt. Phys 46(4), 045303:1–8 (2013)

doi: 10.1088/0953-4075/46/4/045303

[171] Spin-orbit and vibronic coupling in the ionic ground state of iodoacetylene from a rotationallyresolved photoelectron spectrum

B. Gans, G. Grassi, and F. Merkt, J. Phys. Chem. A 117(39), 9353–9362 (2013)

doi: 10.1021/jp310241d

[172] Spectrum of the autoionizing triplet gerade Rydberg states of H2 and its analysis using multi-channel quantum-defect theory

D. Sprecher, Ch. Jungen, and F. Merkt, J. Phys. Chem. A 117(39), 9462–9476 (2013)

doi: 10.1021/jp311793t

[173] Rydbergzustande von Atomen und Molekulen: Spektroskopische Untersuchungen und Anwen-dungen

F. Merkt, Bunsen-Magazin 15. Jahrgang(1), 12–20 (2013)

15

[174] (a) Precision measurement of the ionisation energy of the 3dσ GK state of H2

D. Sprecher, M. Beyer, and F. Merkt, Mol. Phys. 111(14–15), 2100–2107 (2013)

doi: 10.1080/00268976.2013.788743

(b) Editorial - Special issue of Molecular Physics dedicated to Martin Quack on the occasionof his 65th birthday

R. R. Ernst, T. Carrington, G. Seyfang, and F. Merkt, Mol. Phys. 111(14–15), 1939–1963,(2013)

doi: 10.1080/00268976.2013.816092

[175] High-resolution spectroscopy of Rydberg states in an ultracold cesium gas

H. Saßmannshausen, F. Merkt, and J. Deiglmayr, Phys. Rev. A 87(3), 032519:1–10 (2013)

doi: 10.1103/PhysRevA.87.032519

[176] Precision measurements of ionization and dissociation energies by extrapolation of Rydbergseries: From H2 to larger molecules

D. Sprecher, M. Beyer, and F. Merkt, Chimia 67(4), 257–261 (2013)

doi: 10.2533/chimia.2013.257

[177] High-resolution laser spectroscopy between 0.9 and 14.3 THz in a supersonic beam: Rydberg–Rydberg transitions of atomic Xe at intermediate n values

Ch. Haase, J. A. Agner, and F. Merkt, J. Chem. Phys. 138(24), 244202:1–8 (2013)

doi: 10.1063/1.4809740

[178] The X+ 2Πg, A+ 2Πu, B+ 2∆u, and a+ 4Σ−u electronic states of Cl+2 studied by high-resolutionphotoelectron spectroscopy

S. Mollet and F. Merkt, J. Chem. Phys. 139(3), 034302:1–19 (2013)

doi: 10.1063/1.4812376

[179] On the adiabatic ionization energy of the propargyl radical

U. Jacovella, B. Gans, and F. Merkt, J. Chem. Phys. 139(8), 084308:1–5 (2013)

doi: 10.1063/1.4818982

[180] Deceleration and trapping of a fast supersonic beam of metastable helium atoms with a 44-electrode chip decelerator

P. Allmendinger, J. A. Agner, H. Schmutz, and F. Merkt, Phys. Rev. A 88(4), 043433:1–8(2013)

doi: 10.1103/PhysRevA.88.043433

[181] High-resolution spectroscopy and quantum-defect model for the gerade triplet np and nf Ry-dberg states of He2

D. Sprecher, J. Liu, T. Krahenmann, M. Schafer, and F. Merkt, J. Chem. Phys. 140(6),064304:1–16 (2014)

doi: 10.1063/1.4864002

[182] Determination of the binding energies of the np Rydberg states of H2, HD, and D2 from high-resolution spectroscopic data by multichannel quantum-defect theory

D. Sprecher, Ch. Jungen, and F. Merkt, J. Chem. Phys. 140(10), 104303:1–18 (2014)

doi: 10.1063/1.4866809

Erratum, J. Chem. Phys. 140(22), Art. No. 229904 (2014)

doi: 10.1063/1.4882661

[183] Slow and velocity-tunable beams of metastable He2 by multistage Zeeman deceleration

M. Motsch, P. Jansen, J. A. Agner, H. Schmutz, and F. Merkt, Phys. Rev. A 89(4), 043420:1–9(2014)

doi: 10.1103/PhysRevA.89.043420

16

[184] Observation of g/u-symmetry mixing in the high-n Rydberg states of HD

D. Sprecher and F. Merkt, J. Chem. Phys. 140(12), 124313:1–9 (2014)

doi: 10.1063/1.4868024

[185] Manipulating Rydberg atoms close to surfaces at cryogenic temperatures

T. Thiele, S. Filipp, J. A. Agner, H. Schmutz, J. Deiglmayr, M. Stammeier, P. Allmendinger,F. Merkt, and A. Wallraff, Phys. Rev. A 90(1), 013414:1–11 (2014)

doi: 10.1103/PhysRevA.90.013414

[186] The cyclopropene radical cation: Rovibrational level structure at low energies from high-resolution photoelectron spectra

K. Vasilatou, J. M. Michaud, D. Baykusheva, G. Grassi, and F. Merkt, J. Chem. Phys. 141(6),064317:1–13 (2014)

doi: 10.1063/1.4890744

[187] Surface-electrode decelerator and deflector for Rydberg atoms and molecules

P. Allmendinger, J. Deiglmayr, J. A. Agner, H. Schmutz, and F. Merkt, Phys. Rev. A 90(4),043403:1–7 (2014)

doi: 10.1103/PhysRevA.90.043403

[188] Observation of dipole-quadrupole interaction in an ultracold gas of Rydberg atoms

J. Deiglmayr, H. Saßmannshausen, P. Pillet, and F. Merkt, Phys. Rev. Lett. 113(19), 193001:1–5 (2014)

doi: 10.1103/PhysRevLett.113.193001

[189] Experimental characterization of singlet scattering channels in long-range Rydberg molecules

H. Saßmannshausen, F. Merkt, and J. Deiglmayr, Phys. Rev. Lett. 114(13), 133201:1–5 (2015)

doi: 10.1103/PhysRevLett.114.133201

[190] Internal rotation, spin-orbit coupling, and low-frequency vibrations in the X+ 2E ground stateof CH3-CC-CH+

3 and CD3-CC-CD+3

U. Jacovella, B. Gans, and F. Merkt, Mol. Phys. 113(15–16), 2115–2124 (2015)

doi: 10.1080/00268976.2015.1005708

[191] The fundamental rotational interval of para-H+2 by MQDT-assisted Rydberg spectroscopy of

H2

Ch. Haase, M. Beyer, Ch. Jungen, and F. Merkt, J. Chem. Phys. 142(6), 064310:1–8 (2015)

doi: 10.1063/1.4907531

[192] Threshold ionization spectroscopy of H2O, HDO and D2O and low-lying vibrational levels ofHDO+ and D2O

+

C. Lauzin, U. Jacovella, and F. Merkt, Mol. Phys. 113(24), 3918–3924 (2015)

doi: 10.1080/00268976.2015.1049971

[193] Imaging electric fields in the vicinity of cryogenic surfaces using Rydberg atoms

T. Thiele, J. Deiglmayr, M. Stammeier, J. A. Agner, H. Schmutz, F. Merkt, and A. Wallraff,Phys. Rev. A 92(6), 063425:1–6 (2015)

doi: 10.1103/PhysRevA.92.063425

[194] Pulsed excitation of Rydberg-atom-pair states in an ultracold Cs gas

H. Saßmannshausen, F. Merkt, and J. Deiglmayr, Phys. Rev. A 92(3), 032505:1–15 (2015)

doi: 10.1103/PhysRevA.92.032505

[195] Precision spectroscopy in cold molecules: The lowest rotational interval of He+2 and metastableHe2

P. Jansen, L. Semeria, L. Esteban Hofer, S. Scheidegger, J. A. Agner, H. Schmutz, and F. Merkt,Phys. Rev. Lett. 115(13), 133202:1–5 (2015)

doi: 10.1103/PhysRevLett.115.13320217

[196] Precision measurement of the ionization energy of Cs I

J. Deiglmayr, H. Herburger, H. Saßmannshausen, P. Jansen, H. Schmutz, and F. Merkt, Phys.Rev. A 93(1), 013424:1–7 (2016)

doi: 10.1103/PhysRevA.93.013424

[197] Rydberg states of helium in electric and magnetic fields of arbitrary relative orientation

O. Tkac, M. Zesko, J. A. Agner, H. Schmutz, and F. Merkt, J. Phys. B: At. Mol. Opt. Phys.49(10), 104002:1–16 (2016)

doi: 10.1088/0953-4075/49/10/104002

[198] Observation and calculation of the quasibound rovibrational levels of the electronic groundstate of H+

2

M. Beyer and F. Merkt, Phys. Rev. Lett. 116(9), 093001:1–5 (2016)

doi: 10.1103/PhysRevLett.116.093001

[199] Absorption, autoionization, and predissociation in molecular hydrogen: High-resolution spec-troscopy and multichannel quantum defect theory

M. Sommavilla, F. Merkt, J. Zs. Mezei, and Ch. Jungen, J. Chem. Phys. 144(8), 084303:1–16(2016)

doi: 10.1063/1.4941920

[200] High-resolution spectroscopy of He+2 using Rydberg-series extrapolation and Zeeman-deceleratedsupersonic beams of metastable He2

P. Jansen, L. Semeria, and F. Merkt, J. Mol. Spectrosc. 322, 9–17 (2016)

doi: 10.1016/j.jms.2016.01.013

[201] Exotic chemistry with ultracold Rydberg atoms

H. Saßmannshausen, J. Deiglmayr, and F. Merkt, Chimia 70(4), 263–267 (2016)

doi: 10.2533/chimia.2016.263

[202] Radiative and collisional processes in translationally cold samples of hydrogen Rydberg atomsstudied in an electrostatic trap

Ch. Seiler, J. A. Agner, P. Pillet, and F. Merkt, J. Phys. B: At. Mol. Opt. Phys. 49(9), 094006:1–26 (2016)

doi: 10.1088/0953-4075/49/9/094006

[203] Spin-orbit coupling and rovibrational structure in the iododiacetylene radical cation by PFI-ZEKE photoelectron spectroscopy

K. Dulitz, E. Bommeli, G. Grassi, D. Zindel, and F. Merkt, Mol. Phys. 114(19), 2848–2856(2016)

doi: 10.1080/00268976.2016.1195929

[204] Long-range Rydberg molecules, Rydberg macrodimers and Rydberg aggregates in an ultracoldCs gas

H. Saßmannshausen, J. Deiglmayr, and F. Merkt, Eur. Phys. J. Spec. Top. 225(15), 2891–2918(2016)

doi: 10.1140/epjst/e2016-60124-9

[205] Infrared spectroscopy of molecular ions in selected rotational and spin-orbit states

U. Jacovella, J. A. Agner, H. Schmutz, J. Deiglmayr, and F. Merkt, J. Chem. Phys. 145(1),014301:1–5 (2016)

doi: 10.1063/1.4954701

[206] Structure and dynamics of H+2 near the dissociation threshold: A combined experimental and

computational investigation

M. Beyer and F. Merkt, J. Mol. Spectrosc. 330, 147–157 (2016)

doi: 10.1016/j.jms.2016.08.001

18

[207] High-resolution photoelectron-spectroscopic investigation of the H2O+ cation in its A+ elec-

tronic state

C. Lauzin, B. Gans, and F. Merkt, Mol. Phys. 114(22), 3319–3327 (2016)

doi: 10.1080/00268976.2016.1231352

[208] New method to study ion-molecule reactions at low temperatures and application to the H+2 +

H2 → H+3 + H reaction

P. Allmendinger, J. Deiglmayr, O. Schullian, K. Hoveler, J. A. Agner, H. Schmutz, and F. Merkt,ChemPhysChem 17(22), 3596–3608 (2016)

doi: 10.1002/cphc.201600828

[209] Precision measurement of the rotational energy-level structure of the three-electron moleculeHe+2L. Semeria, P. Jansen, and F. Merkt, J. Chem. Phys. 145(20), 204301:1–10 (2016)

doi: 10.1063/1.4967256

[210] Observation of enhanced rate coefficients in the H+2 + H2 → H+

3 + H reaction at low collisionenergies

P. Allmendinger, J. Deiglmayr, K. Hoveler, O. Schullian, and F. Merkt, J. Chem. Phys. 145(24),244316:1–5 (2016)

doi: 10.1063/1.4972130

[211] Vacuum-ultraviolet frequency-modulation spectroscopy

U. Hollenstein, H. Schmutz, J. A. Agner, M. Sommavilla, and F. Merkt, J. Chem. Phys. 146(1),014201:1–9 (2017)

doi: 10.1063/1.4973011

[212] Measuring the polarization of electromagnetic fields using Rabi-rate measurements with spatialresolution: experiment and theory

J. Koepsell, T. Thiele, J. Deiglmayr, A. Wallraff, and F. Merkt, Phys. Rev. A 95, 5:053860:1–9(2017)

doi: 10.1103/PhysRevA.95.053860

[213] Molecular-physics aspects of cold chemistry

F. Merkt, In: A. Browaeys, T. Lahaye, T. Porto, C. S. Adams, M. Weidemuller, and L. F.Cugliandolo, “Current Trends in Atomic Physics, Les Houches 2016 Lecture Notes”, Oxford,Oxford University Press, 82–141 (2019)

[214] Measuring the dispersive frequency shift of a rectangular microwave cavity induced by anensemble of Rydberg atoms

M. Stammeier, S. Garcia, T. Thiele, J. Deiglmayr, J. A. Agner, H. Schmutz, F. Merkt, andA. Wallraff, Phys. Rev. A 95, 053855:1–11 (2017)

doi: 10.1103/PhysRevA.95.053855

[215] High-resolution photoelectron spectroscopy and calculations of the highest bound levels of D+2

below the first dissociation threshold

M. Beyer and F. Merkt, J. Phys. B: At. Mol. Opt. Phys. 50(15), 154005:1–9 (2017)

doi: 10.1088/1361-6455/aa7ac9

[216] Spin-orbit interaction and Renner-Teller effect in HCCCCH+ studied by high-resolution pho-toelectron spectroscopy

U. Jacovella and F. Merkt, Phys. Chem. Chem. Phys. 19(34), 23524–23531 (2017)

doi: 10.1039/c7cp04759b

[217] Jahn-Teller effect and large-amplitude motion in CH+4 studied by high-resolution photoelectron

spectroscopy of CH4

U. Jacovella, H. J. Worner, and F. Merkt, J. Mol. Spectrosc. 343, 62–75 (2018)

doi: 10.1016/j.jms.2017.08.00219

[218] Structure and dynamics of the radical cation of ethane arising from the Jahn-Teller and Pseudo-Jahn-Teller effects

U. Jacovella, C. J. Stein, M. Grutter, L. Freitag, C. Lauzin, M. Reiher, and F. Merkt, Phys.Chem. Chem. Phys. 20(2), 1072–1081 (2018)

doi: 10.1039/C7CP06907C

[219] Determination of the spin-rotation fine structure of He+2P. Jansen, L. Semeria, and F. Merkt, Phys. Rev. Lett. 120(4), 043001:1–5 (2018)

doi: 10.1103/PhysRevLett.120.043001

[220] Metrology of high−n Rydberg states of molecular hydrogen with ∆ν / ν= 2 x 10−10 accuracy

M. Beyer, N. Holsch, J. A. Agner, J. Deiglmayr, H. Schmutz, and F. Merkt, Phys. Rev. A97(1), 012501:1–9 (2018)

doi: 10.1103/PhysRevA.97.012501

[221] High-resolution photoelectron spectrum of the origin band of the X+ 2E ← X 1A1 ionizingtransition of propyne

U. Jacovella and F. Merkt, Mol. Phys 116(23-24), 3602–3606 (2018)

doi: 10.1080/00268976.2018.1451002

[222] Chirped-pulse millimeter-wave spectrometer for the 140-180 GHz region

C. Lauzin, H. Schmutz, J. A. Agner, and F. Merkt, Mol. Phys. 116(23-24), 3656–3665 (2018)

doi: 10.1080/00268976.2018.1467055

[223] Dissociation energy of the hydrogen molecule at 10−9 accuracy

C.-F. Cheng, J. Hussels, M. Niu, H. L. Bethlem, K. S. E. Eikema, E. J. Salumbides, W. Ubachs,M. Beyer, N. Holsch, J. A. Agner, F. Merkt, L.-G. Tao, S.-M. Hu, and Ch. Jungen, Phys. Rev.Lett. 121(1), 013001:1–5 (2018)

doi: 10.1103/PhysRevLett.121.013001

[224] Half-collision approach to cold chemistry: Shape resonances, elastic scattering and radiativeassociation in the H+ + H and D+ + D collision systems

M. Beyer and F. Merkt, Phys. Rev. X 8(3), 031085:1–15 (2018)

doi: 10.1103/PhysRevX.8.031085

[225] Communication: Heavy Rydberg states of HD and the electron affinity of the deuterium atom

M. Beyer and F. Merkt, J. Chem. Phys. 149(3), 031102:1–5 (2018)

doi: 10.1063/1.5043186

[226] Hyperfine-interaction-induced g/u mixing and its implication on the existence of the first ex-cited vibrational level of the A+ 2Σ+

u state of H+2 and on the scattering length of the H + H+

collision

M. Beyer and F. Merkt, J. Chem. Phys. 149(21), 214301:1–14 (2018)

doi: 10.1063/1.5046147

[227] Molecular-beam resonance method with Zeeman-decelerated samples: Application to metastablehelium molecules

L. Semeria, P. Jansen, G. Clausen, J. A. Agner, H. Schmutz, and F. Merkt, Phys.Rev. A 98(6),062518:1–5 (2018)

doi: 10.1103/PhysRevA.98.062518

[228] Single-shot non-destructive detection of Rydberg atom ensembles by transmission measurementof a microwave cavity

S. Garcia, M. Stammeier, J. Deiglmayr, F. Merkt, and A. Wallraff, Phys. Rev. Lett. 123(19),193201 (2019)

doi: 10.1103/PhysRevLett.123.193201

20

[229] Fundamental vibration frequency and rotational structure of the first excited vibrational levelof the molecular helium ion (He+2 )

P. Jansen, L. Semeria, and F. Merkt, J. Chem. Phys. 149(15), 154302:1–7 (2018)

doi: 10.1063/1.5051089

[230] Nonadiabatic effects on the positions and lifetimes of the low-lying rovibrational levels of theGK 1Σ+

g and H 1Σ+g states of H2

N. Holsch, M. Beyer, and F. Merkt, Phys. Chem. Chem. Phys. 20(42), 26837 (2018)

doi: 10.1039/c8cp05233f

[231] PFI-ZEKE photoelectron spectroscopy of positively charged ions: illustration with Mg+

M. Genevriez, D. Wehrli, J. A. Agner, and F. Merkt, Int. J. Mass Spectrom. 435, 209-216:(2019)

doi: 10.1016/j.ijms.2018.10.017

[232] Benchmarking theory with an improved measurement of the ionization and dissociation energiesof H2

N. Holsch, M. Beyer, E. J. Salumbides, K. S. E. Eikema, W. Ubachs, Ch. Jungen, and F. Merkt,Phys. Rev. Lett. 122, 103002 (2019)

doi: 10.1103/PhysRevLett.122.103002

[233] High Rydberg states and ion chemistry

F. Merkt, In: F. Aumayr, K. Ueda, E. Sokell, S. Schippers, H. Sadeghpour, F. Merkt, T.Gallagher, F. F. Dunning, P. Scheier, O. Echt, Th. Kirchner, S. Fritzsche, A. Surzhykov, X.Ma, R. Rivarola, O. Fojon, L. Tribedi, E. Lamour, J. C. Lopez-Urrutia, Y. Litvinov, V. Shabaev,H. Cederquist, H. Zettergren, M. Schleberger, R. W. andT. Azuma, Ph. Boduch, H. Schmidt,and T. Stoehlker, “Roadmap on photonic, electronic and atomic collision physics III. Heavyparticles: with zero to relativistic speeds”, J. Phys. B: At. Mol. Opt. Phys., 52, 171003 (2019)

doi: 10.1088/1361-6455/ab26ea

[234] Fluorescence-lifetime-limited trapping of Rydberg helium atoms on a chip

V. Zhelyazkova, M. Zesko, H. Schmutz, J. A. Agner, and F. Merkt, Molecular Physics 117(21),2980–2989 (2019)

doi: 10.1080/00268976.2019.1600060

[235] The adiabatic ionisation energy of CO2

U. Hollenstein, K. Dulitz, and F. Merkt, Molecular Physics 117(21), 2956–2960 (2019)

doi: 10.1080/00268976.2019.1600061

[236] Precision measurement of the ionization energy and quantum defects of 39K I

M. Peper, F. Helmrich, J. Butscher, J. A. Agner, H. Schmutz, F. Merkt, and J. Deiglmayr,Phys. Rev. A 100(1), 012501 (2019)

doi: 10.1103/PhysRevA.100.012501

[237] Autoionization rates of core-excited magnesium Rydberg atoms in electric fields using the corefluorescence as a reference

D. Wehrli, M. Genevriez, and F. Merkt, Phys. Rev. A 100(1), 012515 (2019)

doi: 10.1103/PhysRevA.100.012515

[238] Magic Rydberg-Rydberg transitions in electric fields

M. Peper, J. Deiglmayr, F. Merkt, C. Sanna, and H. B. van Linden van den Heuvell, Phys.Rev. A 100(3), 032512 (2019)

doi: 10.1103/PhysRevA.100.032512

21

[239] Determination of the interval between the ground states of para- and of ortho-H2

M. Beyer, N. Holsch, J. Hussels, C.-F. Cheng, E. J. Salumbides, K. S. E. Eikema, W. Ubachs,C. Jungen, and F. Merkt, Phys. Rev. Lett. 123(16), 163002 (2019)

doi: 10.1103/PhysRevLett.123.163002

Selected as PRL’s editor suggestion

[240] PFI-ZEKE-photoelectron spectroscopy of N2O using narrow-band VUV laser radiation gener-ated by four-wave mixing in Ar using a KBBF crystal

H. Herburger, U. Hollenstein, J. A. Agner, and F. Merkt, J. Chem. Phys. 151, 144302 (2019)

doi: 10.1063/1.5124477

[241] Experimental and theoretical study of core-excited 3pnd Rydberg series of Mg

M. Genevriez, D. Wehrli, and F. Merkt, Phys. Rev. A 100, 032517 (2019)

doi: 10.1103/PhysRevA.100.032517

[242] Determination of the interaction potential and rovibrational structure of the ground electronicstate of MgAr+ using PFI-ZEKE photoelectron spectroscopy

D. Wehrli, M. Genevriez, C. Kreis, J. A. Agner, and F. Merkt, J. Phys. Chem. A 124, 379–385(2019)

doi: 10.1021/acs.jpca.9b10435

[243] High-resolution spectroscopy of the A+ 2Π ← X+ 2Σ+ transition of MgAr+ by isolated-coremultiphoton Rydberg dissociation

M. Genevriez, D. Wehrli, and F. Merkt, Molecular Physics , (HRMS2019) (2019)

doi: 10.1080/00268976.2019.1703051

[244] Spectroscopy of highly excited states of the hydrogen atom

S. Scheidegger and F. Merkt, Chimia 74, 285–288 (2020)

doi: 10.2533/chimia.2020.285

[245] Precision measurements in few-electron molecules: The ionization energy of metastable 4He2and the first rotational interval of 4He+2L. Semeria, P. Jansen, G.-M. Camenisch, F. Mellini, H. Schmutz, and F. Merkt, Phys. Rev.Lett. 124, 213001 (2020)

doi: 10.1103/PhysRevLett.124.213001

Zurich, June 3, 2020

22