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NICA / MPD Status Report. JINR Scientific Council, 104 session, 25 September 2008, Dubna V.Kekelidze. Introduction Progress in NICA project preparation Progress in MPD project preparation - software environment MPDROOT - activity of physics groups - End-Cap concept development
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NICA / MPD Status Report JINR Scientific Council, 104 session, 25 September 2008, Dubna V.Kekelidze • Introduction • Progress in NICA project preparation • Progress in MPD project preparation - software environment MPDROOT - activity of physics groups - End-Cap concept development - progress in R&D of detectors • SPD start up • IT infrastructure development • Conclusions V.Kekelidze, Scientific Council
Introduction New strategic course of the JINR in relativistic heavy ions & particle physics endorsed by the PAC is based on: • development of the home accelerator facility NICA providing relativistic heavy ions & polarized beams • scientific programs at home & external accelerators including a study of various phases of strongly interacting matter, urgent topics of particle physics and spin physics Relativistic Heavy Ion Physics is a high priority task in many scientific centers (BNL, CERN, GSI, JINR,..) since last few decades Theoretical motivation of relativistic heavy ion study reinforcement at JINR is well founded in the works of: A.Sissakian, A.Sorin, V.Toneev, G.Zinoviev etc & others. V.Kekelidze, Scientific Council
Elabs GeV/u 5 3.60 10 4.73 30 7.75 8012.42 RHIC (?) 158 17.36 NA49/61 (SPS) NICA & CBM Heavy Ion Physics at SNN = 3-9 GeV The phase diagram in terms of the reduced energy density the trajectories are calculated with hybrid model • open markers: QGSM • filled markers: • evolution within • 3D relativistic hydrodynamics steps: 0.3 fm/c & 0.5 fm/c SNN= 3-9 GeV is a most promising energy region to search for mixed phase & critical end-point V.Kekelidze, Scientific Council
Veksler & Baldin Laboratory of High Energy Physics is founded on May 4-th 2008 in accordance with the JINR Member States Plenipotentiary Representative Committee decision (27-28 Nov. 2007) by the JINR Director decree N 112 of February 19th, 2008 Strategic objectives of the Laboratory are • construction, development & maintenance of the JINR basic accelerator complex for relativistic heavy ions and polarized beams • relevant researches in high energy heavy ion physics, spin physics & particle physics V.Kekelidze, Scientific Council
Basic facility NICA development plans • 2008 -2009 NUCLOTRON extracted beams (p, d, Li, C, …) & internal target (d beam) & polarized (||) proton target Running period: 2 x~ 600 h/year (~1/2 R&D for machine) efforts are making to extend • 2010 -2013 NUCLOTRON-M (the first stage of NICA) beams up to A ~ 200 ~ 4 GeV/u (for Au) extracted beams ~ 109 A/pulse d beam& polarized proton target (||,) • 2013 COLLIDER NICA beams: A=1 – 238 (U92+), SNN = 3-9 GeV, L>1027cm-2s-1 with at least two interaction points: MPD - MultiPurpose Detector (to search for mixed phase) SPD - Spin Physics Detector in (d,p) beams V.Kekelidze, Scientific Council
NICA Project preparation • Last version of CDR is available • Some parameters of the facility complex are clarified and corrected • Subproject NUCLOTRON-M was reviewed by Machine Advisory Committee & passed the consideration at the PAC • Next steps: • CDR revision by international MAC • and preparation of TDR Project Leaders: A.Sissakian, A.Sorin, A.Kovalenko, I.Meshkov, G.Trubnikov V.Kekelidze, Scientific Council
Progress in NICA Project preparation The first stage NUCLOTRON-M is well advanced PAC recommended for further development Some parameters of the NICA facility complex are clarified & corrected in preparation for critical review by MAP 2T super-ferric magnet R&D close to completion mass production plans - in preparation 4T magnet R&D program - in preparation all in close coop with the GSI/FAIR (also for SIS100/300) Engineering infrastructure project preparation has started (collider allocation feasibility, cost estimate etc.) V.Kekelidze, Scientific Council
Progress in NICA Project preparation Collaborators / Subcontractors active involvement Budker Institute of Nuclear Physics (Novosibirsk) Institute of High Energy Physics (Protvino) Russian State Specialized Design Institute (Rosatom, Moscow) GSI/FAIR BNL (US) FermiLab (US) FZ Julich (Germany) & others Essential steps towardsTDR ! V.Kekelidze, Scientific Council
Bunch compression (“overturn” in phase space) NICA new working schema Injector: 2×109 ions/pulse of 238U32+ at energy of 6 MeV/u Booster (25 Tm) 2(3?) single-turn injections, storage of 3.2×109, acceleration up to 50 MeV/u, electron cooling, acceleration up to 440 MeV/u Collider (45 Tm) Storage of 17 bunches 1109 ions per ring at 14.5 GeV/u, electron and/or stochastic cooling Stripping (40%) 238U32+ 238U92+ Two superconducting collider rings Nuclotron(45 Tm) injection of one bunch of 1.1×109 ions, acceleration up to 14.5 GeV/u max. IP-2 IP-1 2х17injection cycles V.Kekelidze, Scientific Council
NICA ring new parameters V.Kekelidze, Scientific Council
Collider NICAnew major parameters V.Kekelidze, Scientific Council
Beam dump RF MPD RF Spin rotator Spin rotator Kicker PU PU Kicker SPD Beam dump Collider structure Injection channels V.Kekelidze, Scientific Council
The MPD experiment is proposed to study in-medium properties of hadrons, & search for phase transition, mixed phase & critical end-point Relativistic Heavy Ion Physics at NICA incollisions of heavy ion (over atomic mass range A = 1-238) by scanning of the energy regionSNN = 1 - 9 GeV a program of corresponding R&D’s is foreseen including ones in the framework of the experiments carried outat Nuclotron Nuclotron-M V.Kekelidze, Scientific Council
MPD experiment – first stage targets the effects to be studied with various ion interactions on energy & centrality scanning: • Event-by-event fluctuation in hadron productions (multiplicity, Pt etc.) • HBT correlations indicating the space-time size of the systems involving π, K, p, Λ (possible changes close to the de-confinement point) • Multi-strange hyperon production: yield & spectra (the probes of nuclear media phases) • Directed & elliptic flows for various hadrons • Leptonic probes - feasibility under study dedicated experiment under consideration V.Kekelidze, Scientific Council
MPD Project Preparation • MPD conceptual design is proposed with an acceptance close to 4p • Alternative solutions are indicated for some of the subdetectors taking into account possible sharing of commitments by potential collaborators • organization of the corresponding Collaboration is in progress • The first LoI version is available The MPD Collaboration • Joint Institute for Nuclear Research • Institute for Nuclear Research, RAS, RF • Bogolyubov Institute for Theoretical Physics, NAS, Ukraine • Nuclear Physics Institute of MSU, RF • Institute of Allied Physics, AS, Moldova new members are welcome to join A consortium was organized involving GSI, JINR & other centers, for the IT module development V.Kekelidze, Scientific Council
Further Progress inProject Preparation directions of activity • development of theoretical models & corresponding generators • A.Sorin, V.Skokov, V.Toneev, I.Mandjavidze, J.Musulmanbekov et al. • maintenance & development of software environment - MPDROOT • group of O.Rogachevsky • Detector concept optimization for various physics tasks • charged hadron production- D.Arkhipkin et al. • , 0 and hyperon production A.Kechechyan, M.Tokarev et al. • leptonic observables A.Olchevsky, I.Tyapkin et. al. • other groups leaders to be identified • End-Cap concept development • O.Rogachevsky, V.Golovatyuk, A.Zinchenko, D.Arkhipkin, • V.Peshekhonov, Yu.Kiryushin et al. V.Kekelidze, Scientific Council
Further Progress inProject Preparation directions of activity • detector R&D in progress in many groups • beam test facility preparation plans – under discussion • E.Strokovsky, G.Trubnikov, A.Kovalenko • IT infrastructure development Yu. Potrebenikov et al. • management program & corresponding software preparation • Yu.Potrebenikov, D.Madigozhin, N.Molokanova • MPD allocation (+ cost estimates), engineering & harness designs • Russian State Specialized Design Institute (Rossatom, Moscow) • N.Agapov, A.Shabunov,V.Borisov V.Kekelidze, Scientific Council
TOF ZDC TPC ECT Progress in MPD Project Preparation • Development of the MPDROOT software: • - general framework • GEANT-4 based simulation • detector geometry • track reconstruction O.Rogachevsky’s group V.Kekelidze, Scientific Council
Detector geometry in MPDROOT TPC TOF (RPS based) V.Kekelidze, Scientific Council
Event display (geometry + selected tracks) V.Kekelidze, Scientific Council
Physic tasks first steps Lambda reconstruction A. Kechechyan et al. generated & reconstructed 1000 decays in Au+Au at SNN = 9 GeV mass resolution & spectra = 11 MeV/c2 V.Kekelidze, Scientific Council
MPD Physic tasks first steps charged hadron production K/ ratioD. Arkhipkin et al. yields & particle ratios V.Kekelidze, Scientific Council
π° reconstruction relative rates of ’s background subtracted ’s associated to the π° Nγ/Nπ± Nπ°/Nπ± large combinatorial background Nγ pr/Nπ± extra generated PT, GeV/c M, GeV/c2 Physic tasks first steps Electromagnetic observables A.Olchevsky,I.Tyapkin, etc. V.Kekelidze, Scientific Council
End-Cap-A End-Cap-B MPD End-Cap conception development V.Kekelidze, Scientific Council
Straw Tracker geometry (MPDROOT) ECT - Straw Wheels (60 layers in total) ST barrel V.Kekelidze, Scientific Council
End-Cap concept development: ECT A.Zinchenko • to enlarge the acceptance over pseudo rapidity regionEnd-Cap elements have been added • - ECT (Straw Wheels) • TOF (RPS chambers) V.Kekelidze, Scientific Council
1/V 1/V Barrel End-Cap p p K K P, Gev/c P, Gev/c End-Cap concept development: ECAL A.Olchevsky, I.Tyapkin, etc. Energy resolution – 2.5% /√E good π° identification Time resolution – 80ps /√E TOF for charged particle id suppression of pile-up & electronic noise V.Kekelidze, Scientific Council
R&D progress in RPC modules for TOF V.Golovatyuk’s group 10-gap RPC module prototype assembling installation of the fish-line coiling on the external readout board fish-line is using as a spacer installation of the glass electrode with the conductive paint assembled prototype with the fast preamp developed by ALICE on the base of NINO chip V.Kekelidze, Scientific Council
segmented straw prototype R&D progress in Segmented Straw V.Peshekhonov’s group tracking detectors achieve low occupancy & safer operation in harsh environments • The prototype is developed for the beam testing with: • Double Layer Detector (anode high-voltage) • FEE (low-noise amplifiers) • DAQ (interfacePCI-Express & 64-channels TDC) • Double Layer Detector contains: • 2x48 straws ( 4 mm; L = 40cm) • 400 segments (L ~ 10cm/segment) • FEE density: FEE is 1 ch. / 1mm V.Kekelidze, Scientific Council
photo of the prototype produced in SESRTIIE (Kharkov) R&D progress in IT Yu.Murin, V.Nikitin, et al. Consortium:GSI, JINR, INP MSU, SESRTIIE (Kharkov), IHEP, Saint-Petersburg Uni., Saint-Petersburg Radium Inst., ITEP Double side silicon micro strip sensor (15x15mm2, 50um strips, 285 um thickness, 256 channels) mounted on a base plate with super low mass cables for PS & readout V.Kekelidze, Scientific Council
Spin Physics Sourceof Polarized Deuterons(CIPIOSbased) for Nuclotron-M /NICAcomplex will provide 1010d /pulse from Nuclotron-M MPPT (movable ptarget) for f.t. experiments • Spin physics of few nucleon system A.Kovalenko • - ppelastic scattering (analyzing powers & correlation coefficients) • meson production in pp near the threshold • pd (3-nucleon forces, analyzing powers & correlation coefficients) • Nucleon Spin structure A.Nagaitsev, I.Savin • O.Shevchenko • COMPASS (SPS CERN), HERMES (Desy) • SPD atNICA(pp, pd –polarized, S > 20 GeV) LoI in preparation V.Kekelidze, Scientific Council
Spin Physics atNICA Working Group started preparation the spin physics program to operate with polarized pp, pD & DD beams. Preliminary topics: • Matveev-Muradyan-Tavkhelidze-Drell-Yan (MMTDY) processes with L&T polarized p & D beams • extraction of unknown (poor known) PDF • PDFs from J/yproduction processes • Spin effects in baryon, meson and photon productions • Spin effects in various exclusive reactions • Diffractive processes • Cross sections, helicity amplitudes & double spin asymmetries • (Krisch effect) in elastic reactions • Spectroscopy of quarkoniums with any available decay modes • Polarimetry V.Kekelidze, Scientific Council 32
Conceptual design for Spin Purpose Detector (SPD) Preliminary scheme ot the SPD experimental set-up A.Nagaitsev, I.Savin, O.Shevchenko, etc. Requirements to the detector : • 4 pgeometry to enlarge MMTDY event statistics • minimal X0 – effective detection of lepton pairs • good angular resolution • – very important for azimuthal • spin asymmetries measurements • in the wide kinematical region Set-up for muon pairs detection is also under consideration V.Kekelidze, Scientific Council 33
SPD main parts Preliminary scheme ot the SPD experimental set-up • toroid magnet system (Bdl ~ 0.4Tl m) • minor influence on beam polarization • transverse field matching the momentum • no fringe field • Silicon or MicroMega (inner tracking) • Drift chambers or straw (for tracking) • Cherenkov counter (for PID & trigger) • EM calorimeter • Trigger counters • EndCap detectors Set-up for muon pairs detection is also under consideration V.Kekelidze, Scientific Council 34
Development of project management program new (repaired) Gbit optical link - new switches • New computer • cluster for NICA: • web-server • 2 interactive PCs • file-server with 5TB disks in RAID1 new modern equipment and software for the Design office Development of IT Infrastructure Group of Yu.Potrebenikov V.Kekelidze, Scientific Council 35
Conclusions • The strategic plans of JINR in HEP is targeting to the developments of home accelerator facility & corresponding scientific program • NICA / MPD – project provides good opportunity for the frontier experimental researches at JINR in the forthcoming decade • New laboratory - LHEP is founded to concentrate efforts for realization of these plans V.Kekelidze, Scientific Council
new participants are welcomed! N I C A M P D Conclusions • Preparation of accelerator complex NICA & MPD projects are well progressing • New SPD project preparation has started • Large cooperation in this field of research is established with many Russian & world centers: IHEP, INR, Budker INP, INP MSU, GSI/FAIR, BNL, CERN, Fermilab, Kharkov TIIE & others the collaboration is growing V.Kekelidze, Scientific Council
дорогу осилит идущий Thank you for your patience V.Kekelidze, Scientific Council
spare V.Kekelidze, Scientific Council
Nuclotron(45 Tm) injection of one bunch of 1.1×109 ions, acceleration up to 14.5 GeV/u max. Bunch compression (“overturn” in phase space) NICA working schema Injector: 2×109 ions/pulse of 238U32+ at energy of 6 MeV/u Booster(25 Tm) 2(3?) single-turn injections, storage of 3.2×109, acceleration up to 50 MeV/u, electron cooling, acceleration up to 440 MeV/u Collider (45 Tm) Storage of 17 bunches 1109 ions per ring at 14.5 GeV/u, electron and/or stochastic cooling Stripping (40%) 238U32+ 238U92+ Two superconducting collider rings IP-2 IP-1 2х17 injection cycles V.Kekelidze, Scientific Council
1. Search for mixed phase of strongly interacting matter Evolution of collision region in Nucleus-Nucleus Interaction What is The Mixed Phase? – - a mixture of QGP & barionic matter! I.Meshkov, NICA/MPD ProjectSTORI’08 IMP, Lanzhou, 15-19 September, 2008 QGP formation and hydrodynamic expansion Hadronisation, hadronic phase & chemical freeze-out Hadronic phase & kinetic freeze-out Start of the collision pre-equilibrium “Chemical freeze-out” – finish of inelastic interactions; “Kinetic freeze-out” – finish of elastic interactions. ___________________________________ *) freeze-out – here means “to get rid” V.Kekelidze, Scientific Council
1. Search for mixed phase of strongly interacting matter 1 fm/c ~ 3∙10-24 s Elabs GeV/u 5 3.60 10 4.73 30 7.75 8012.42 RHIC (?) 158 17.36 NA49/61 (SPS) NICA & CBM Barionic chemical potential I.Meshkov, NICA/MPD ProjectSTORI’08 IMP, Lanzhou, 15-19 September, 2008 V.Kekelidze, Scientific Council
1. Search for mixed phase of strongly interacting matter 1 fm/c ~ 3∙10-24 s Elabs GeV/u 5 3.60 10 4.73 30 7.75 8012.42 RHIC (?) 158 17.36 NA49/61 (SPS) NICA & CBM I.Meshkov, NICA/MPD ProjectSTORI’08 IMP, Lanzhou, 15-19 September, 2008 Barionic chemical potential V.Kekelidze, Scientific Council
1. Search for mixed phase of strongly interacting matter Result: py Anisotropy in momentum space ps I.Meshkov, NICA/MPD ProjectSTORI’08 IMP, Lanzhou, 15-19 September, 2008 What to look for ? Elliptic flow of central fireball matter One has to measure the ellipticity parameter (Etotal) = ps/py V.Kekelidze, Scientific Council 44
Time Table of The Storage Process 34 injection cycles of 1109 ions 238U92+ per cycle 1.71010 ions/ring KRION RFQ RFQ DTL Booster Nuclotron Collider 3.5 GeV/u 400 MeV/u 100(50?) MeV/u 6 MeV/u 470 keV/u 25 keV/u 2-3 cycles of injection, electron cooling (?) Eion/A electron cooling Bunch compression stripping to 238U92+ 2s 0.4s 2s 3s 4.5s 153 s 238U32+ V.Kekelidze, Scientific Council
Time Table of The Storage Process 34 injection cycles of 1109 ions 238U92+ per cycle 1.71010 ions/ring KRION RFQ RFQ DTL Booster Nuclotron Collider 3.5 GeV/u 400 MeV/u 100(50?) MeV/u 6 MeV/u 470 keV/u 25 keV/u 2-3 cycles of injection, electron cooling (?) Eion/A electron cooling Bunch compression stripping to 238U92+ 2s 0.4s 2s 3s 4.5s 153 s 238U32+ V.Kekelidze, Scientific Council
“Twin magnets for NICA collider rings “Twin” dipoles “Twin” quadrupoles 1 – Cos coils, 2 – “collars”, 3 – He header, 4 – iron yoke, 5 – thermoshield, 6 – outer jacket V.Kekelidze, Scientific Council
Beam dump RF MPD RF Spin rotator Spin rotator Kicker PU PU Kicker SPD Beam dump Collider structure Injection channels V.Kekelidze, Scientific Council
Relativistic Heavy Ion Physics at Nuclotron & at higher energies FAZA at NuclotronS.Avdeev, V.Karnaukhov effects of phase transition in thermal multifragmentation HADES & CBM A.Malakhov, Yu.Zanevsky, Yu.Murin at SIS 18, 100/300GSI NA49 -> NA61 at SPSCERNG.Melkumov STARat RHICBNL R.Lednicky, Yu.Panebratcev ALICE at LHCCERN A.Vodopianov V.Kekelidze, Scientific Council
TPC geometry (MPDROOT) V.Kekelidze, Scientific Council