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MPD Experiment (Multi Purpose Detector)

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Title: MPD Experiment (Multi Purpose Detector)


1
MPD Experiment(Multi Purpose Detector)
  • V.Kekelidze

2
Content
  • Introduction
  • MPD Collaboration
  • MPD CDR
  • Working Groups activity
  • Time schedule
  • Conclusion

3
Introduction
  • Project NICA/MPD 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 leading role in the relevant fields
  • of high energy physics
  • Project is initiated led by A.Sissakian
    A.Sorin

4
Introduction
  • A conceptual design of MPD is developed for
  • a study of hadronic matter in various states
  • mixed phase / phase transition
  • search for critical end-point (triple point ?)
  • other extreme states
  • The MPD will be operated in heavy ion collisions
  • over atomic mass range A1-197
  • at the energy up to vSNN 11 GeV/u (for Au79)

The design average luminosity L 1027 cm2/s
5
Physics tasks
  • Yield spectra of particles (charged,
    neutrals, strange)
  • Study of the K/p (strangeness to entropy) ratio
  • Anisotropic collective flow
  • Femtoscopy (momentum correlations)
  • e-m probes
  • P (CP) - asymmetry

Other studies dense cold matter
(?)
6
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

7
7
Progress of the MPD project preparation
  • The first MPD concept was presented in LoI
  • issued in February 2008
  • - it is now modified
  • The first version of MPD CDR was issued
  • in June 2009
  • Now the version 0.6
  • is available
  • It will be developed further until
  • mid of 2010

8
Contents
9
9
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
10
CD Dimensions
11
CD ?-regions
12
Energy Scan at Hermetic conditions
CD parts in ?-regions
13
13
11 Working group
  • Solenoid magnet - V.Borisov
    et. al.
  • TPC prototyping - Yu.Zanevski 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

14
New approach in technology
TPC construction -
Straw Wheels Design
  • New electronics
  • providing the rate up 6 kHz
  • Max transparency (low X0)
  • of end cap structure

15
Neutral kaon Hyperon detection
V0 reconstruction
Neutral kaon Lambda decays invariant mass
reconstruction
16
Charged Particle identification
TPC (ionization) TPCTOF (mass reconstruction)
TPC using ionization
17
Cathode Pad Chamber tracker
GEM chambers developed in cooperation with
INFN colleagues are now considered as possible
End Cap trackers
18
(No Transcript)
19
Integration and services
Solenoid ECal
20
Timetable of the MPD works
21
21
MPD competitive complimentary to
  • running experiments
  • STAR, Phenix at RHIC (BNL)
  • NA49/NA61 at SPS (CERN)
  • HADES at SIS-18 (GSI)
  • ALICE at LHC (CERN)
  • in preparation
  • CBM at SIs100/300 (GSI)
  • 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.)

22
Conclusions
  • Physics motivation competitiveness are well
    proven
  • by the White Book Round Table -4
  • The MPD design RD are progressing well
  • the first version of the CDR is available
  • The Working Groups are working towards
  • the first prototypes to be ready by the end of
    2010
  • The MPD collaboration is permanently growing
  • New members are welcome
  • Especially appreciated continuation of
  • fruitful cooperation with Italian colleagues

23
Thank you
"all steps of learning should be sought from
nature"
Leon Battista Alberti
24
Spare
25
Mean particle multiplicity
  • UrQMD, AuAu collision blt3 fm

26
26
CDR development
  • Responsibilities
  • Physics coordination - Sisakian A.,
    Sorin A.,Toneev V.
  • Technical coordinator -
    Golovatyuk V.
  • Software, MC tracking coordinator -
    Rogachevsky O.

27
TPC typical particle identification (STAR)
28
TPC new approach
TPC in GEANT4 event reconstruction
29
TPC Read-Out electronics requirement and design
30
Main hyperon decay modes for IT TPC
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