1 plans for jinr participation at fair jinr contributions: ● accelerator complex ● condensed...
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Plans for JINR participation at FAIR
JINR Contributions:
● Accelerator Complex
● Condensed Baryonic Matter
● Antiproton Physics
● Spin Physics
Physics Scope of FAIR:
● Accelerator Physics
● Nuclear Matter
● Physics with Antiprotons
● Applications
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JINR participation in the accelerator part of the
project
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• In 2000 –05 the JINR has developed and tested new prototypes of dipole and quadrupole magnets in which the heat release was about 2 times better than in the original ones.
• Total number of test cycles of these new prototypes exceeded 1 400 000.
Original Nuclotron dipole
Performance of SC magnet with frequency 1 Hz
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The full scale prototypes of SIS100 dipole and quadrupole magnets are at present under construction at JINR.
Total structure of SIS100 includes: Dipoles - 108 Quadrupoles – 168 Estimated cost is about 15ME, including finishing the R&D.
Dipole 2.75 м Quadrupole 1.1 м
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Participation of JINR in the development of FAIR complex
(Facility for Antiproton and Ion Research)
PANDA (Proton ANtiproton DArmsdat):- Internal target
PAX (Polarized Antiproton eXperiment) :- Polarization of antiprotons APR- proton-antiproton collisions
NESR (New Experimental Storage Ring):- Electron ion collisions- Internal target
FLAIR (Facility for Low energy Antiproton Ion Research):- Antihydrogen generation
Participation of the group (lead by I.Meshkov) in the development of the numerical model for cooling and heating of the bean at the internal target and experimental study of these processes at COSY.
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Study of Condensed Baryonic Matter
(CBM experiment)
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Dubna project NICANuclotron-based Ion Collider fAcility
GSI: FAIR
Elab ~ 34 AGeV
sNN = sNN = 8.58.5 GeVGeV
Elab ~ 40 AGeV
sNN = sNN = 9.09.0 GeVGeV
CBM–NICAssNNNN = 9 AGeV = 9 AGeV
AAGeVGeV
Study of nuclear matter at extreme conditions(search for mixed phase)
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Experimental Landscape: the complementary programs
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Superconducting Dipole Magnet
Transition Radiation Detector (TRD)
JINR participation:
Physics and Simulation
The NUCLOTRON was used as a test bench for CBM detectors
Straw Transition Radiation Tracker (TRT)
Condensed Barionic Matter
Silicon Tracker System
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Silicon Tracker System
• Start R@D project to design and manufacture the basic ladder-module of the system
• Design and manufacture the whole STS• JINR:
– Assembly of ladder-sections and a whole STS for CBM,
– Tests of the modules with radioactive sources and relativistic particle beams
• Possible application at NICA/MPD
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Proton-antiproton physics(PANDA experiment)
● Excited glue (glueballs and hybrids)
● Charm in Nuclei, Charmonium
● Hadrons in Matter
● Drell-Yan processes
Solenoid DIRC Muon
Iron yoke Radiators Full System
Present JINR Involvement
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PANDA solenoid
JINR, Dubna
Yoke production in Russia
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Detector DIRC
► Radiator material: Quartz with very high precision surface machining
► Only 4 factories have an equipment and experience: Factory of optical glass in Lytkarino, Russia• Corning Glass Corporation, USA• Shott Corporation, Germany• Ohara Corporation, Japan
JINR, Dubna
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Muon detector for PANDA
Full System
JINR, Dubna
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Physics and Software
• Development of PANDA Physics Program
• Development of Computing Framework and optimization of PANDA Detector
• Beam and target parameter simulation
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Development and test of Avalanche Micro-pixel Photo Diode
• Low-level light detection and single photon read-out
• AMPD-coupled advanced scintillating fiber detectors
• AMPD for fast Calorimetry
• Ultra-fast timing for TOF-applications
Promising solution for NICA/MPD Calorimeter
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Project PAX
PAX represents very interesting possible extension of FAIR. Namely, to have polarized antiproton beam and, ultimately, to have collider mode for polarized protons and antiprotons.
Phase 1polarized/ unpolarized antiprotonson internal polarized target .
Only APR and CSR used
Independent from HESR running!
PAX experiment at GSI
Phase 21. Asymmetric collider:
polarized antiprotons in HESR (15 GeV/ c)polarized protons in CSR (3.5 GeV/ c)
2. Fixed target experiment:internal polarized target with 22 GeV/ cpolarized antiproton beam
Polarization ofantiprotons in APRup to P=0.3-0.4
APR – AntiprotonPolarizer Ring (50 MeV)
CSR – Cooler SynchrotronRing (3.5 GeV/c)
PAX
PANDA
p injection
p injection
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Polarization ofantiprotons in APRup to P=0.3-0.4
APR – Antiproton Polarizer Ring (50--200 MeV) CSR – Cooler Synchrotron Ring (3.5 GeV/c)
Scheme of the accelerator complex for the PAX experimentScheme of the accelerator complex for the PAX experiment
PAXPANDA
p injection
p injection
HESR
CSR APR
p
p
Phase 2 (2017-…) Asymmetric p-pbar collider: polarized antiprotons in HESR (15 GeV/c) colliding with polarized protons in CSR (3.5 GeV/c)
Phase 1 (2013-2016) Fixed target: polarized/unpolarized antiprotons (3.5 GeV/c) on internal polarized target
Phase 0 (2007-2010)Start:preparatory experiments on spin-filtering at COSY (with protons) and AD CERN (with antiprotons) to study and demonstrate the polarization method
Stages of the experiment:
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Summary StatusAccelerator complex
SIS100 dipoles and quadrupoles
Applied for contribution from Russia
Already Included in FAIR Costbook
CBM TRD/TRT
SC Dipole
STS
Applied for contribution from Russia
Switch from RD to construction on selected topics
PANDA Muon
DIRC
Iron Yoke
Applied for contribution from Russia
Switch from RD to construction on selected topics
PAX Feasibility study Perform COSY and AD CERN test experiments
Project passed the Nuclear Physics PAC
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Conclusions
• The results presented above show strong participation of JINR groups in FAIR accelerator complex and experiments at FAIR
• In the most cases this participation is motivated by the unique expertise of JINR in the field of research and is highly appreciated by the Collaborations
• At the same time, participation of JINR groups in FAIR project increase this expertise and helps to develop the infrastructure which can be used for experiments at JINR basic facilities. In particular, the complementarities of FAIR and NICA provide the case for such collaboration