from hadrons to nuclei with charm and bottom flavors

From hadrons to nuclei with charm and bottom flavors

S. YasuiKEK

Baryon 10@Osaka 2010.12.7-11

Contents

1. Introduction

2. New exotic heavy hadrons New charm tetraquarks and others...

3. Charm exotic nuclei Exotic nuclei with flavors beyond strangeness

4. Experimental researches Relativistic Heavy Ion Collisions

5. Summary

Eichten in QWG 2008 Nara

Many new cc states above threshold

1. Introduction

1. Introduction

X(3872), X(3940), Y(4260), Z(4430)+, ... Yb ,...

ccd

u

Z(4430)+Y(4260)

c

cgc

cu

u

X(3872)

ccd

u

ccg hybridS. L. Zhu (2005)

Why are they exotic?- extraordinaly decay widths and branching ratios- mass difference from cc in quark model ( 〜 100 MeV)

DD* (ccuu) molecule Tornqvist (1991)

ccudreally tetraquark

ccudreally tetraquark

DD* threshold ? gluon dynamics ? something new? diquark correlation ?

Tcc1

2. New exotic heavy hadrons

Hc cuuuds

Tcc ccudΘcs cuuds

Carlson, Heller, Tjon (1988)Silvestre-Brac and Semay (1993)Manohar and Wise (1993)...Lee, SY, Liu and Ko (2008)Lee and SY (2009)

Tcc1 is „explicitly“ exotic.

ccd

u

Tcc1

Tetraquark Tcc(ccud)2. New exotic heavy hadrons

ccd

u

Tcc1

dc+

Spin-color int. sBa (a=1,..,8) induces

cc pair

cu pair

ud pair

1/mQ2

1/mQ1

1/mQ0

Tetraquark Tcc(ccud)

?

dominant attraction (3c, 3f, s=0)

further suppressed

D*-D0

uc

2. New exotic heavy hadrons

suppressed

ccd

u

Tcc1

dc+

Spin-color int. sBa (a=1,..,8) induces

Tetraquark Tcc(ccud)

D*-D0

uc

2. New exotic heavy hadrons

cc pair

cu pair

ud pair

1/mQ2

1/mQ1

1/mQ0 dominant attraction (3c, 3f, s=0)

further suppressed

suppressed

No strong decay

ccd

u

Tcc1

dc+

Tetraquark Tcc(ccud)

D*-D0

uc

B.E.

S=0

S=-1 -4 MeV

-74 MeV

Tcc1

2. New exotic heavy hadrons

Tcc1

scuc +

Tetraquark Tcc(ccud)

Ds*-D0

ccs

u

B.E.Tcc1

S=0

S=-1 -4 MeV

-74 MeV

2. New exotic heavy hadrons

Tcc1

scuc +

Tetraquark Tcc(ccud)

Ds*-D0

ccs

u

B.E.Tcc1

S=0

S=-1 -4 MeV

-74 MeV

→ Tcc1 form 3f multiplet.

2. New exotic heavy hadrons

2. New exotic heavy hadrons

sc

du u

ΘcsΛ

dus

uc

D0

+

Pentaquark Θcs(cudus)

B.E.

S=-1

S=-2 +8.4 MeV

+8.4 MeV

Θcs

→ Θcs may form 3f multiplet.

2. New exotic heavy hadrons

2. New exotic heavy hadrons

u

Dibaryon Hc(udusuc)

sc

du u

HcΛc

duc

Σ

+ suu

B.E.

S=-1

S=-2

-17.4 MeV

-17.3 MeV

Hc

a little weak,but still attractive

S=-3

-28.9 MeV

2. New exotic heavy hadrons

Hc

Dibaryon Hc(udusuc)

6f

2. New exotic heavy hadronsLee and SY, Eur. Phys. J. C64, 283 (2009)

Hc Hb

Dibaryon Hc(udusuc)

6f 6f

2. New exotic heavy hadronsLee and SY, Eur. Phys. J. C64, 283 (2009)

Hc Hb H’cb

Dibaryon Hc(udusuc)

6f 6f

3f

2. New exotic heavy hadronsLee and SY, Eur. Phys. J. C64, 283 (2009)

Hc Hb

Hcb

H’cb

Dibaryon Hc(udusuc)

6f 6f

3f

15f

2. New exotic heavy hadronsLee and SY, Eur. Phys. J. C64, 283 (2009)

Hc Hb

Hcb

H’cb

Hccb

Dibaryon Hc(udusuc)

6f 6f

3f

15f8f

2. New exotic heavy hadronsLee and SY, Eur. Phys. J. C64, 283 (2009)

→ Hc, Hb, H’cb, Hcb and Hccb form many multiplets!

Hc Hb

Hcb

H’cb

Hccb

Dibaryon Hc(udusuc)

6f 6f

3f

15f8f

2. New exotic heavy hadronsLee and SY, Eur. Phys. J. C64, 283 (2009)

3. Charm exotic nuclei

D nuclei

What are charm/bottom nuclei?

Nucleusproton

neutron

Charm/Bottom

3. Charm exotic nuclei

Charm/Bottom

Nucleusproton

neutron

Dover-Kahana (1977)Iwao (1977)Gatto-Paccanoni (1978)Bando-Bando (1982)...

Baryons Λc, Σc, Λb, Σb, …

What are charm/bottom nuclei?

3. Charm exotic nuclei

Nucleusproton

neutron

Charm/Bottom

Mesons hidden : ηc, J/ψ, ηb, Υ, … open : D, D*, B, B*, …

What are charm/bottom nuclei?

3. Charm exotic nuclei

Nucleusproton

neutron

Charm/Bottom

Mesons hidden : ηc, J/ψ, ηb, Υ, … open : D, D*, B, B*, … Brodsky-Schmidt-Teramond (1990)Luke-Manohar-Savage (1992)Yokokawa-Sasaki-Hatsuda--Hayashigaki (2006)Kawanai-Sasaki (2010)...

What are charm/bottom nuclei?

3. Charm exotic nuclei

Nucleusproton

neutron

This is our subject!

Charm/Bottom

Mesons hidden : ηc, J/ψ, ηb, Υ, … open : D, D*, B, B*, …

What are charm/bottom nuclei?

3. Charm exotic nuclei

3. Charm exotic nuclei

N

D (B)

??

Q. What is the interaction between D (B) and N ?

3. Charm exotic nuclei

NK

K N

SU(3)

ND

D N

NB

B N

Weinberg-Tomozawa

SU(4) SU(5)

Lutz-Kolomeitsev (2004), Hoffmann-Lutz (2005), Mizutani-Ramos (2006), Gamermann-Oset-Strottman-Vacas (2007), Haidenbauer-Krein-Meissner-Sibirtsev (2007), Tolos-Molina-Gamermann-Gracia-Reico-Nieves-Oset-Ramos (2010) ...

Strangeness, Charm, Bottom, ...

3. Charm exotic nuclei

D BK

K*

D*B*

400 MeV

140 MeV 45 MeV

D* and B* are new ingredients!

Chiral Symmetry Heavy Quark Symmetry

500 MeV 1870 MeV 5280 MeV

K* is almost irrelevant in dynamics.

pseudo-scalar

vector

3. Charm exotic nuclei

Strangeness, Charm, Bottom, ...

NK

K N

p, ω, ρ

Weinberg-Tomozawa One pion exchange potential (OPEP)

ND(*)

D(*) N

NB(*)

B(*) N

One pion is absent.(short range force)

One pion is present. (long range force)

KN interaction D(B)N interaction

p, ω, ρ p, ω, ρ

3. Charm exotic nuclei

Strangeness, Charm, Bottom, ...

S. Y. and K. Sudoh, PRD80, 034008 (2009)

with

G. Burdman and J.F. Donoghue (1992)M.B. Wise (1992)T.-M. Yan, H.-Y. Cheng, C.-Y. Cheung, G.-L. Lin, Y.C. Lin and H.-L. Yu (1997)

vector + pseudoscalar

One pion exchange potential (OPEP)

Heavy Quark Symmetry

D(*)

D(*)

N

N

OPEP

p, ω, ρ

P=D, B

S. Y. and K. Sudoh, PRD80, 034008 (2009)

3. Charm exotic nuclei

N

D (B)

??

Q. Are there bound states of D (B) and N ?

D(cq)-N(qqq)B(bq)-N(qqq) * No annihilation process

3. Charm exotic nuclei

JP=1/2-, I=0

strong tensor coupling

wave functions obtained by variational method

DN (2S1/2)

D*N (4D1/2)

D*N (2S1/2)

PRELIMINARY RESULTS

OPEP+ contact int.

3. Charm exotic nuclei

JP=1/2-, I=0

strong tensor coupling

wave functions obtained by variational method

DN (2S1/2)

D*N (4D1/2)

D*N (2S1/2)

DN π +cont.A +cont.B B.E. [MeV] 10.8 6.6 8.2 r [fm] 1.7 2.1 1.9

PRELIMINARY RESULTS

OPEP+ contact int.

3. Charm exotic nuclei

BN bound state170 MeV

KN (pentaquark?)

threshold

100 MeV

cqqqq bqqqqsqqqq

Strangeness Charm Bottom

DN bound state

|DN; I=0> = |D-p> + |D0n> + |D*-p> + |D*0n>

K+ π - π - pweak decay D*→Dπ is closed.

DN and BN bound states JP=1/2- (I=0)

10 MeV

3. Charm exotic nuclei

K + N D + N B + N

Λ(1405)

KN

πΣ

1433 MeV

1330 MeV

ΞN

ΛΛ

2255 MeV

2230MeV

H dibaryon

BN6217 MeVBN state

DN2807 MeV

DN stateB.E. 170 MeV

B.E. 10 MeV

3. Charm exotic nuclei

Λ(1405)

KN

πΣ

1433 MeV

1330 MeV

ΞN

ΛΛ

2255 MeV

2230MeV

H dibaryon

BN6217 MeVBN state

DN2807 MeV

DN state

K nuclei

Hypernuclei

Charm/Bottom nuclei

B.E. 170 MeV

B.E. 10 MeV

3. Charm exotic nuclei

A=2 charmed (bottom) nucleus ?

D (B)

NN

Q. Are there exotic nuclei with D (B) ?

3. Charm exotic nuclei

DNN and BNN systems

D(*)

NN

Classification of statesJP=0-

JP=1-

I=1/2

I=3/2

I=1/2

I=3/2

|D(NN)S=0,I=1> + |D*(NN)S=1,I=0>

|D(NN)S=0,I=1>

|D(NN)S=1,I=0> + |D*(NN)S=1,I=0> +|D*(NN)S=0,I=1>

|D(NN)S=0,I=1>

S=1/2I=0

S=1/2I=0

S. Y. and K. Sudoh,PRD80, 034008 (2009)

3. Charm exotic nuclei

DNN and BNN systems

Classification of statesJP=0-

JP=1-

I=1/2

I=3/2

I=1/2

I=3/2

|D(NN)S=0,I=1> + |D*(NN)S=1,I=0>

|D(NN)S=0,I=1>

|D(NN)S=1,I=0> + |D*(NN)S=1,I=0> +|D*(NN)S=0,I=1>

|D(NN)S=0,I=1>

3/4 1/4

0

1/4 1/6 1/4

0

Fraction of (D(*)N)S=1/2,I=0

D(*)

NN

S=1/2I=0

S=1/2I=0

3. Charm exotic nuclei

S. Y. and K. Sudoh,PRD80, 034008 (2009)

DNN and BNN systems

Classification of statesJP=0-

JP=1-

I=1/2

I=3/2

I=1/2

I=3/2

|D(NN)S=0,I=1> + |D*(NN)S=1,I=0>

|D(NN)S=0,I=1>

|D(NN)S=1,I=0> + |D*(NN)S=1,I=0> +|D*(NN)S=0,I=1>

|D(NN)S=0,I=1>

3/4 1/4

0

1/4 1/6 1/4

0

Fraction of (D(*)N)S=1/2,I=0

D(*)

NN

S=1/2I=0

S=1/2I=0

weak decayK+ π- π- + p + p

weak decay K+ π- π- + d

Cf. D- → K+ π- π-

3. Charm exotic nuclei

S. Y. and K. Sudoh,PRD80, 034008 (2009)

4. Experimental researches

Relativistic Heavy Ion Collisions

Relativistic heavy ion collisions as sources of multi-particles

3. Experimental researches

Nucleus Nucleus

RHIC/LHC

3. Experimental researches

Relativistic heavy ion collisions as sources of multi-particles

Nucleus Nucleus

QGP

RHIC/LHC

3. Experimental researches

Relativistic heavy ion collisions as sources of multi-particles

Hadron phase

QGP

RHIC/LHC

p, Λ, ...

π, K, ...

f0, a0, ...

Λ3H

Exotics?

STAR (2003)

STAR (2010)

3. Experimental researches

Relativistic heavy ion collisions as sources of multi-particles

Hadron phasep, Λ, ...

π, K, ...

f0, a0, ...

Λ3H

Exotics?

STAR (2003)

STAR (2010)

RHIC/LHC

3. Experimental researches

Relativistic heavy ion collisions as sources of multi-particles

yields of hadrons from heavy ion colisions

ExHIC (Exotics from Heavy Ion Collisions) collaborationS. Cho (Yonsei U.), T. Furumoto (YITP and RIKEN), T. Hyodo (Tokyo Inst. Technology), D. Jido (YITP), C.-M. Ko (Texas A&M U.), S. H. Lee (Yonsei U. and YITP), M. Nielsen (U. de Paulo), A. Ohnishi (YITP), T. Sekihara (YITP and Kyoto U.), K. Yazaki (YITP and RIKEN), S. Y. (KEK)

S. Cho et al. (the ExHIC collaboration), arXiv:1011.0852 [nucl-th]

3. Experimental researches

S. Cho et al. (the ExHIC collaboration), arXiv:1011.0852 [nucl-th]

Normal hadron0.2

1

Hadron molecule

Multi-quark

3. Experimental researches

S. Cho et al. (the ExHIC collaboration), arXiv:1011.0852 [nucl-th]

Normal hadron0.2

1

Hadron molecule

Multi-quark

3. Experimental researches

More details→ Ohnishi-san‘s talk on Friday!!

CERN, 2 Dec. 2010 J. Schukraft

3. Experimental researches

CERN, 2 Dec. 2010 J. Schukraft

3. Experimental researches

CERN, 2 Dec. 2010 J. Schukraft

3. Experimental researches

5. Summary

・ Exotic charmed hadrons are interesting !

・ New exotic charmed hadrons Tcc, Θcs, Hc, ...

・ Charm exotic nuclei D-meson nuclei

・ Experimetal researches Belle, J-PARC, GSI, RHIC/LHC, ...