MPD Experiment (Multi Purpose Detector) V.Kekelidze 1 18 December V.Kekelidze Round Table Dubna

2  Introduction  MPD Collaboration  MPD CDR  Working Groups activity  Time schedule  Conclusion Content 18 December V.Kekelidze Round Table Dubna

3  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 Introduction 18 December V.Kekelidze Round Table Dubna  Project is initiated & led by A.Sissakian & A.Sorin

4 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 Introduction The MPD will be operated in heavy ion collisions over atomic mass range A=1-197 at the energy up to √S NN = 11 GeV/u (for Au +79 ) The design average luminosity: L= cm 2 /s 18 December V.Kekelidze Round Table Dubna

5  Yield & spectra of particles (charged, neutrals, strange)  Study of the K/π (strangeness to entropy) ratio  Anisotropic collective flow  Femtoscopy (momentum correlations)  e-m probes  P (CP) - asymmetry Other studies: dense & cold matter (?) Physics tasks 18 DecemberV.Kekelidze Round Table Dubna

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 6 MPD Collaboration Members of the Collaboration  JINR ~ 100  Other institutes 47 Institutions  JINR  10 institutes from 5 countries The Collaboration is permanently growing New members – are welcome Version DecemberV.Kekelidze Round Table Dubna

7 Progress of the MPD project preparation The first MPD concept was presented in LoI issued in February 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 Editorial board  Golovatyuk V.  Kekelidze V.  Madigozhin D.  Murin Yu.  Nikitin V.  Rogachevsky O.  Toneev V. Referee board  Gorbunov N.  Kolesnikov V.  Meshkov I.  Olchevski A.  Potrebenikov Yu.  Topilin N.  Tyapkin I.  Zanevsky Yu DecemberV.Kekelidze Round Table Dubna

8 Contents 18 DecemberV.Kekelidze Round Table Dubna

9 3D view of the MPD (conceptual design ) SC Solenoid Forward spectrometer-B Toroid 3 stages of putting into operation 1-st stage barrel part (TPC, Ecal, TOF) + ZDC, BBC, S-SC, … 2-nd stage IT,EC-subdetectors 3-d stage F-spectrometers (optional ?) 9 18 DecemberV.Kekelidze Round Table Dubna

10 CD Dimensions 18 DecemberV.Kekelidze Round Table Dubna

11 CD η-regions 18 DecemberV.Kekelidze Round Table Dubna

12 Energy Scan at Hermetic conditions CD parts in η-regions 18 DecemberV.Kekelidze Round Table Dubna

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 DecemberV.Kekelidze Round Table Dubna

14 New approach in technology  New electronics providing the rate up ~ 6 kHz  Max transparency (low X 0 ) of end cap structure 18 DecemberV.Kekelidze Round Table Dubna Straw Wheels Design TPC construction -

15 18 DecemberV.Kekelidze Round Table Dubna Neutral kaon & Hyperon detection Neutral kaon & Lambda decays invariant mass reconstruction V 0 reconstruction

Charged Particle identification TPC using ionization TPC (ionization) & TPC+TOF (mass reconstruction) 16 pion kaon proton 18 December V.Kekelidze Round Table Dubna

Cathode Pad Chamber tracker DecemberV.Kekelidze Round Table Dubna GEM chambers developed in cooperation with INFN colleagues are now considered as possible End Cap trackers

V.Kekelidze Round Table Dubna18 December TOF system based on RPC group of V.Golovatyuk developed in cooperation with Italian colleagues Prototype equipped with ALICA readout electronics 18 Microstrip silicon trackers for MPD & CBM (R&D) GSI-JINR +..consortium - Yu. Murin, V.Nikitin Super light demonstration cell was designed, constructed & tested on the beam ZDC prototype group of A.Kurepin, INR RAN Compensated sampling calorimeter with APD readout Prototype of 10 sections constructed & tested

Integration and services 19 Solenoid + ECal ECal Solenoid + ECal +TOF Solenoid + ECal +TOF +TPC

20 Timetable of the MPD works the first colliding beams for MPD is expected in DecemberV.Kekelidze Round Table Dubna

21 18 DecemberV.Kekelidze Round Table Dubna 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.)

Conclusions DecemberV.Kekelidze Round Table Dubna Physics motivation & competitiveness are well proven by the White Book & Round Table -4 The MPD design & R&D 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

Thank you DecemberV.Kekelidze Round Table Dubna "all steps of learning should be sought from nature" Leon Battista Alberti

Spare DecemberV.Kekelidze Round Table Dubna

25 Mean particle multiplicity UrQMD, Au+Au collision b<3 fm 18 DecemberV.Kekelidze Round Table Dubna

26 CDR development Responsibilities  Physics coordination - Sisakian A., Sorin A.,Toneev V.  Technical coordinator - Golovatyuk V.  Software, MC & tracking coordinator - Rogachevsky O.  Kolesnikov V.I.  Krumshtein Z.V.  Lednicky R.  Lokhtin I.P.  Malinina L.V.  Musulmanbekov G.J.  Murin Yu.A.  Nikitin V.A.  Olchevski A.G.  Stavinskiy A.V.  Toneev V.D.  Tyapkin I.A. Main contributors to the physics tasks DecemberV.Kekelidze Round Table Dubna

TPC: typical particle identification (STAR) 27

28 TPC new approach 18 DecemberV.Kekelidze Round Table Dubna TPC in GEANT4 & event reconstruction

29 TPC: Read-Out electronics requirement and design 18 DecemberV.Kekelidze Round Table Dubna

Main hyperon decay modes for IT + TPC DecemberV.Kekelidze Round Table Dubna