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Introduction Physics Motivation – White Book NICA Concept Collaboration MPD concept

Status of the NICA / MPD Project at J oint I nstitute for N uclear R esearch ( JINR ) Dubna. V.Kekelidze. Introduction Physics Motivation – White Book NICA Concept Collaboration MPD concept Working Groups activity Time Schedule & competitivenes Conclusions.

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Introduction Physics Motivation – White Book NICA Concept Collaboration MPD concept

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  1. Status of the NICA / MPD Project at Joint Institute for Nuclear Research (JINR)Dubna V.Kekelidze • Introduction • Physics Motivation – White Book • NICA Concept • Collaboration • MPD concept • Working Groups activity • Time Schedule & competitivenes • Conclusions V.Kekelidze, Srong Interactions in XXI, Mumbai

  2. Introduction High Energy Machines at JINR, Dubna the Laboratory of High Energy Physics 10 GeV Synchrophasotron put in operation in 1957 the first superconducting accelerator for relativistic ions NUCLOTRONlaunched in 1993 V.Kekelidze, Srong Interactions in XXI, Mumbai

  3. Introduction • Project NICA (Nuclotronbased Ion ColliderfAcility) MPD((Multi Purpose Detector) is dedicated to study of hot & dense baryonic matter and development of the home accelerator facility providing relativistic heavy ions & polarized beams • all these allow to start a new strategic course of JINR towards the frontier research in the relevant fields of high energy physics Relativistic Heavy Ion Physics became a high priority task in many scientific centers (BNL, CERN, GSI, JINR,..) since last few decades V.Kekelidze, Srong Interactions in XXI, Mumbai

  4. Phase diagram for strongly interacted matter LE-RHIC scan NICA V.Kekelidze, Srong Interactions in XXI, Mumbai

  5. Round Table IV & the NICA White Paper 86 authors from 15 Countries (8 JINR members) 39 scientific centers in Arizona State University, USA 9 September 2009 University of Oslo, Norway Kurchatov Institute, Russia Los Alamos National Laborator Lebedev Institute, Russia University of Illinois, USA JINR Dubna St.Petersburg SU, Russia Wayne SU, USA ITEP, Russia LBNL, USA BNL, USA INP MSU, Russia Ohio SU, USA MEPhI, Russia BITP, Ukraine INR, Russia INFN, Italy Tel Aviv University, Israel SISSA, Italy Weizmann Institute, Israel University of Catania, Italy University of Trento, Italy GSI, Germany University of Florence, Italy University of Bielefeld, Germany University of Barselona, Spain University of Giessen, Germany University of Coimbra, Portugal University of Frankfurt, Germany Mateja Bela University, Slovakia Institute of Applied Science, Moldova Wroclav University, Poland Tsinghua University, Beijing, China Jan Kochanovski University, Poland Variable Energy Cyclotron Centre, India Institute of High Energy Physics, China University of Cape Town, South Africa National Laboratory of Heavy Ion Accelerator, China V.Kekelidze, Srong Interactions in XXI, Mumbai

  6. Physics tasks for MultiPurpose Detector • 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 • directed & elliptic flows for various hadrons • multi-strange hyperon production: yield & spectra (the probes of nuclear media phases) • photon & electron probes • search for P- & CP violation as a charge asymmetry should be studied for different ions (from p to Au) by scanning in b & energy (in the range SNN = 4 - 11 GeV/u) V.Kekelidze, Srong Interactions in XXI, Mumbai

  7. Physics tasks for Spin Physics Detector • MMT-DY processes with L&T polarized p & D beams: • - extraction of unknown (poor known) PDF • - PDFs from J/y production processes • Spin effects in baryon, meson & 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 • Polarimetry V.Kekelidze, Srong Interactions in XXI, Mumbai

  8. Nuclotron 1.1×109 ions 14.5 GeV/u (max) NICA working schema Injector: 2×109 ions197Au32+ energy 6.2 МeV/u Booster acceleration 100 МeV/u 600 МeV/u striping (80%)197Au32+ 197Au79+ Twosuperconductingstorage rings of the collider IP-2 IP-1 2х17 injections per cycle V.Kekelidze, Srong Interactions in XXI, Mumbai

  9. NICA / MPD major milestones • Nuclotron-M - the 1st stage of the NICA project 2010 an upgrade of existing SC accelerator Nuclotron • New Linac operational 2013 • Booster in operation 2013 • Nuclotron-M beam to NICA 2013 • NICA collider first beam 2014 • MPD min configuration ready for the beam 2015 V.Kekelidze, Srong Interactions in XXI, Mumbai

  10. Nuclotron-М for NICA • The goal – Nuclotron parameters to be reached in2010 necessary for the NICA complex: - accelerated heavy ions A~200, - beam intensity ~109 A/cycle (0.2-0.4 Hz) - energy ~ 4.5 GeV/u for 197Au79+ • Major tasks: • Development of new injection complex • Modernization of RF system • Upgrade of diagnostics & beam control systems • Modernization of the vacuum system • Modernization of the electric- and cryo- supply systems • Development of the minimum required infrastructure V.Kekelidze, Srong Interactions in XXI, Mumbai

  11. Spin rotator E_cooler MPD S_Cool PU x, y, long 10 m Injection channels Long. kicker SPD x,y kicker RF Beam dump ColliderNICA 11 V.Kekelidze, Srong Interactions in XXI, Mumbai

  12. Collider – general parameters V.Kekelidze, Srong Interactions in XXI, Mumbai

  13. NICA: works schedule V.Kekelidze, JINR, 106 Scientific Council

  14. NICA / MPD project documents • NICA CDR Jan 2008 • MPD LoI Feb 2008 • NICA TDR May 2009 • MPD CDR (first version) May 2009 • White book (first version) June 2009 V.Kekelidze, Srong Interactions in XXI, Mumbai

  15. Version 0.7http://nica.jinr.ru/files/CDR_MPD/MPD_CDR.pdf MPD Collaboration 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 Theoretical & Experimental Physics, RF • St.Petersburg State University, RF • Institute of Applied Physics, AS, Moldova • Institute for Nuclear Reseach & Nuclear Energy BAS, Sofia, Bulgaria • Institute for Scintillation Materials, Kharkov, Ukraine • State Enterprise Scientific & Technology Research Institute for Apparatus construction, Kharkov, Ukraine • Particle Physics Center of Belarussia State University • Members of the Collaboration • JINR ~ 100 • Other institutes ~ 50 • Institutions • JINR • +10 institutes from 5 countries • The Collaboration is permanently growing • New members – are welcome V.Kekelidze, Srong Interactions in XXI, Mumbai

  16. Progress of the MPD project preparation • The first MPD concept was presented in LoI • issued in February 2008 • - it is now modified Version 0.7 • The first version of MPD CDR was issued • in June 2009 • Now the version 0.7 • is available • It will be developed • in 2010 http://nica.jinr.ru V.Kekelidze, Srong Interactions in XXI, Mumbai

  17. 3D view of the MPD (conceptual design) 3 stages of putting into operation 2-nd stage IT,EC-subdetectors Forward spectrometer-B 3-d stage F-spectrometers (optional ?) 1-st stage barrel part (TPC, Ecal, TOF) + ZDC, BBC, S-SC, … SC Solenoid Toroid V.Kekelidze, Srong Interactions in XXI, Mumbai

  18. CD η-regions & energy scan V.Kekelidze, Srong Interactions in XXI, Mumbai

  19. Central tracker (IT) • Based on silicon microstrip detector technology • Precise collision vertex reconstruction (σz = 120 mm, σrf = 23 mm) • Very efficient for V0 reconstruction • Low momentum PID capability IT interior (cross-sectional views) V.Kekelidze, Srong Interactions in XXI, Mumbai

  20. Neutral kaon & Hyperon detection V0 reconstruction Neutral kaon & Lambda decays invariant mass reconstruction V.Kekelidze, Srong Interactions in XXI, Mumbai

  21. Time Projection Chamber (TPC) • TPC is the main tracking device: • low material budget meets the requirements of the experiment • high read-out rates (up to 6 kHz) • has good tracking and PID performance • better than 99% track reconstruction efficiency at pt > 0.15 GeV/c • spatial resolution σz = 1 mm, σx = 0.6 mm V.Kekelidze, Srong Interactions in XXI, Mumbai

  22. The MPD TOF detector Resistive Plate Chambers : • widely used (STAR, ALICE, HADES, CBM) • intrinsic time resolution up to 60 ps • functional in magnetic fields, 100% efficient up to fluxes ~ 103 cm-2s-1 Dimensions, coverage: length – 5 m inner radius - 1.2 m, outer radius - 1.4 m coverage - |h|<1.4 Granularity: 12 sectors in f 55 RPC modules (62x7 cm2) along z 48 2.5x3.5 cm2 pads in each module # of readout channels – 31700 geom. efficiency - 95% thickness X/X0 ~ 20% TOF barrel V.Kekelidze, Srong Interactions in XXI, Mumbai

  23. Fast Forward Detector (FFD) • Fast event triggering with forward photon detector • Precise T0 time (TDC “Start”) determination (s ~ 50 ps) V.Kekelidze, Srong Interactions in XXI, Mumbai

  24. FFD performance • High acceptance for gammas in the forward direction • Excellent efficiency up to very peripheral collisions • Novel Micro-Channel Plate Photomultipliers allow for a sub-40 ps timing! Photon multiplicity versus centrality V.Kekelidze, Srong Interactions in XXI, Mumbai

  25. EM calorimeter prototyping V.Kekelidze, Srong Interactions in XXI, Mumbai

  26. EM calorimeter (performance study) • High energy and time resolution • Good PID capabilities for photons, electrons and hadrons V.Kekelidze, Srong Interactions in XXI, Mumbai

  27. Neutron / gamma separation with Ecal TOF + Energy E = 1 GeV Efficiency (Energy) V.Kekelidze, Srong Interactions in XXI, Mumbai

  28. Neutron / gamma separation with Ecal X-Y (transverse) & Z(longitudinal) shapes of the cluster profiles Efficiency of neutron identification: 95% with 3 % admixture of photons V.Kekelidze, Srong Interactions in XXI, Mumbai

  29. Zero Degree Calorimeter (ZDC) • Event centrality determination • Event plane reconstruction capability 80 modules 5x5 cm2 60 layers of lead-scintillator (4:1), 6l WLS-fibers for light readout MAPD as photodetectors V.Kekelidze, Srong Interactions in XXI, Mumbai

  30. ZDC performance • Energy resolution (sZDC ~ 6 GeV) meets the experiment requirements • Centrality determination in the range 0..11 fm Energy deposited in ZDC versus track multiplicity Energy deposited in ZDC versus centrality V.Kekelidze, Srong Interactions in XXI, Mumbai

  31. Straw end-cap tracker (ECT) • Tracking in the forward direction • Complementary to TPC measurements 6 layers of straws V.Kekelidze, Srong Interactions in XXI, Mumbai

  32. Working Groups • TPC prototyping - Yu.Zanevski et. al. • Magnet - A.Kovalenko, V.Borisov et.al. • ECal - I.Tyapkin, A.Olchevsky et.al. • TOF - V.Golovatyuk et.al. • Straw wheels - V.Peshekhonov et.al. • ZCal - A.Kurepin et.al. • CPC - Yu.Kiryushin et.al. • FFD - V.Yurevich et.al. • BBC - R.Zulkarneev et.al. • DAQ - V.Slepnev, S.Bazylev et.al. • IT - Yu.Murin, V.Nikitin et.al. • The CBM-MPD SST consortium: • GSI - JINR – IHEP - … in IT silicon module development is well progressing V.Kekelidze, Srong Interactions in XXI, Mumbai

  33. Magnet - project development Discussion with the potential participators, contractors having an experience in large solenoid construction has started. A schedule and cost evaluation will be prepared a.s.a.p. for: • conceptual design + R&D • technical documentation reparation • production and tests V.Kekelidze, Srong Interactions in XXI, Mumbai

  34. TPC Prototype-2 construction design carbon-plastic cylinder D=95 cm, L=70 cm, wall thickness = 3 mm spoke sample bottom plate as a central electrode Al flange V.Kekelidze, Srong Interactions in XXI, Mumbai

  35. Assembling of ТРС Field cage HV electrode V.Kekelidze, Srong Interactions in XXI, Mumbai

  36. ТРС Prototype: Time scale in 2010 V.Kekelidze, Srong Interactions in XXI, Mumbai

  37. TOF RPC prototyping Double stack (10 gaps) RPC, read-out pads 2.5 х 3.5 cm2 An RPC prototype active area 7 x 14 cm2 V.Kekelidze, Srong Interactions in XXI, Mumbai

  38. ECT prototyping • Studies were aimed in investigation of: • optimal gas mixture • time-amplitude characteristics • rate capabilities Sub-module prototype Rate capability for a 4 mm diameter straw V.Kekelidze, Srong Interactions in XXI, Mumbai

  39. Integration & services V.Kekelidze, Srong Interactions in XXI, Mumbai

  40. Installation sequence & support structure Solenoid + ECal ECal rails Solenoid + ECal +TOF Solenoid + ECal +TOF+TPC V.Kekelidze, Srong Interactions in XXI, Mumbai

  41. Analysis of hadron spectra & yields with the MPD detector Goals: • feasibility for extraction of hadronic yields with • a proposed MPD design • estimation of sub-detector parameters crucial for • good particle identification (PID) Procedure: • Full reconstruction chain implementing • hit production, tracking, TPC-TOF matching, • Particle identification procedure has been developed • using TOF information • All corrections are determined from MC simulation : • reconstruction efficiency, acceptance, • decays in flight, secondary interactions, etc. • Invariant pt-distributions of p, K, p are obtained • Analysis procedure and results are described in the CDR V.Kekelidze, Srong Interactions in XXI, Mumbai

  42. PID capability for hadrons & expected acceptances (TPC+TOF-barrel configuration) Excellent PID for hadrons! Large acceptance V.Kekelidze, Srong Interactions in XXI, Mumbai

  43. Hadron spectra in central Au+Au collisions 300 events fit: Fit: CDR v0.7, p.192 Results of feasibility study: • Excellent parameters of the MPD for study of hadron yields • High reliability of the developed reconstruction (tracking, PID) • & analysis algorithms • (correction evaluations, reconstruction of pt-spectra) Deviation from the reference values below 6% (only for 300 events)! V.Kekelidze, Srong Interactions in XXI, Mumbai

  44. Timetable of the MPD works the first colliding beams for MPD is expected in 2015 V.Kekelidze, Srong Interactions in XXI, Mumbai

  45. NICA/MPD –competitive & complimentary to • running experiments • STAR, Phenix at RHIC (BNL) preparation for LES • NA49/NA61 & ALICE at SPS & LHC (CERN) • HADES at SIS-18 (GSI) • in preparation: • CBM at SIS-100/300 (GSI) • NICA / MPD advantages • optimal energy range for max baryonic density • close to 4 pi geometry • homogeneous acceptance & resolution functions versus measured & scanned parameters • (kinematics, b, energy etc.) V.Kekelidze, Srong Interactions in XXI, Mumbai

  46. Conclusions • Physics motivation & competitiveness are well proven by the White Book & Round Table -4 • Realization of the first stage - Nuclotron-M is going well - should be completed in 2010 • Other stages of the NICA complex are well defined & proposed for construction in the NICA TDR • The MPD design & R&D are progressing well • the CDR is available • The corresponding collaboration is growing New members are welcome V.Kekelidze, JINR, 106 Scientific Council

  47. Thank you V.Kekelidze, Srong Interactions in XXI, Mumbai

  48. Spare V.Kekelidze, Srong Interactions in XXI, Mumbai

  49. Particle identification TPC (ionization) & TPC+TOF (mass reconstruction) TPC using ionization pion kaonproton V.Kekelidze, Srong Interactions in XXI, Mumbai

  50. Phase diagram NICA 50 V.Kekelidze, Srong Interactions in XXI, Mumbai

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