Transcript Participation of the Joint Institute for Nuclear Research

JINR Contribution to the
CBM experiment
A.I.Malakhov
Joint Institute for Nuclear Research, Dubna
[email protected]
Report at the 5th Workshop on the Scientific
Cooperation Between German Research
Centers and JINR,
Dubna, January 17-19, 2005
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Compressed Barionic Matter (CBM)
JINR
participation:
Transition Radiation
Detector (TRD)
Straw Transition
Radiation Tracker (TRT)
Superconducting
Dipole Magnet
Simulation (tracking,
RICH, magnetic field)
Physics
The present JINR facility NUCLOTRON could be used as
a test bench for CBM detectors
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Letter of Intent
for the
Compressed Baryonic Matter Experiment
at the
Future Accelerator Facility in Darmstadt
The CBM collaboration
Darmstadt, January 2004
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Task
Institution
Feasibility study D-Meson identification
GSI Darmstadt, Czech Acad. Science Rez,
Techn. Univ. Prague
Feasibility study low-mass vector meson identification via
dilepton pairs
Univ. Krakow, JINR-LHE Dubna
Feasibility study charmonium identification
INR Moscow
Simulations hadron identification via TOF
Heidelberg Univ., Kiev Univ., NIPNE Bucharest, INR Moscow, RBI Zagreb
Simulation tools
GSI Darmstadt
Tracking
KIP Univ. Heidelberg, Univ. Mannheim, JINR-LHE Dubna, JINR-LIT Dubna
Silicon Pixel Detector
IReS Strasbourg, Frankfurt Univ., GSI Darmstadt, RBI Zagreb, Krakow Univ.,
Silicon Strip Detector
SINP Moscow State Univ., CKBM St. Petersburg, KRI St. Petersburg
R&D on RPC TOF detector system with read-out electronics
LIP Coimbra, Univ. Santiago de Compostela, Univ. Heidelberg, GSI Darmstadt,
NIPNE Bucharest, INR Moscow, FZR Rossendorf, IHEP Protvino, ITEP Moscow,
Korea Univ. Seoul, RBI Zagreb, Univ. Krakow, Univ. Marburg
R&D on fast gaseous detectors for TRD
JINR-LHE Dubna, GSI Darmstadt, Univ. Münster, PNPI St. Petersburg, NIPNE
Bucharest
R&D on straw tube tracker (TRD)
JINR-LPP Dubna, FZR Rossendorf
R&D on Ring Imaging Cherenkov Detector (RICH): mirror
and UV detector
IHEP Protvino, GSI Darmstadt, PNPI St. Petersburg
R&D on RICH radiator gas system
Pusan Nat. Univ.
Design and construction of an electromagnetic calorimeter
(ECAL)
ITEP Moscow, Univ. Krakow, Univ. Frankfurt
Diamond microstrip detector
GSI, Univ. Mannheim
Trigger and Data Acquisition
KIP Univ. Heidelberg, Univ. Mannheim, JINR LIT Dubna, GSI Darmstadt, Univ.
Bergen, KFKI Budapest, Silesia Univ. Katowice, PNPI St. Petersburg,
Univ. Warsaw
Design of a superconducting dipole magnet
JINR-LHE Dubna, GSI Darmstadt
Calculation of radiation doses
Kiev Univ.
Modification of HADES for 8 AGeV
Czech Acad. Science Rez
Delta electrons
GSI Darmstadt
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Laboratory of High
Energies
Leader A.I.Malakhov
Laboratory of
Theoretical Physics
Transition Radiation
Detector (TRD)
Superconducting
Dipole Magnet
Simulation (Track
finder, Track fitter)
Physics
Leader D.Blaschke
Laboratory of Particle
Physics
Straw Transition
Radiation Tracker (TRT)
Leader V.D.Peshekhonov
Laboratory of Information
Technologies
Leader V.V.Ivanov
Software (track and
pattern reconstruction,
RICH, magnetic field)
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DEVELOPMENT of FAST GAS DETECTORS
for TRD
Yu. Zanevsky
Laboratory of High Energies
Joint Institute for Nuclear Research
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Development and Construction of
Transition Radiation Detector for ALICE
(JINR Participation)
________________________________________________________
Main goal:
e/π discrimination of > 100 (p > 1 GeV/c)
Position resolution of ~ 200 μm
Large area ( 700 m2, 6 layers)
Collaboration: Heidelberg, GSI, Munster, Frankfurt, Dubna, Bucharest.
Coordinator from JINR - Yu. Zanevsky
Main task of LHE JINR :
• Development and construction of 100 Chambers for Transition
Radiation Detector
• Testing at a laboratory conditions and on the beam at CERN
• Detector Commissioning on the beam at CERN
At blg. 40 of LHE JINR has been constructed:
■ Rooms (including 3 clean rooms ~120 m2 , class better than 10.000)
■ Climate facility at clean rooms
■ Winding machine under PC control, tables, special tools e.t.c.
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Development and Construction of
Transition Radiation Detector for ALICE
(JINR Participation)
________________________________________________________
Winding Machine under operation
Transfer of Wire Planes on TRD chambers
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Development and Construction of
Transition Radiation Detector for ALICE
(JINR Participation)
________________________________________________________
Assembling of TRD chamber
Testing of TRD chamber with X-ray tube
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Tests of prototypes (MWPC, GEM)
/ July 2004 at SIS /
_______________________________________________________
2 type of Detectors (from LHE JINR) has been tested on the beam at
GSI in July 2004 with Ar/CO-2 and Xe/CO-2 gas mixture:
1) MWPC (with drift gap)
2 mm anode-cathode gap
8 mm drift gap
2 mm anode pitch
10 x 10 cm ² area
PAD readout
(3 x 4 mm ²)
2) GEM-3
3 mm drift gap
3 ampl. stages
10 x 10 cm ² area
PAD readout
(10 x 20 mm ²)
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The Superconducting Dipole
Magnet
Borisovskay Z. , Matyushevsky E., Shabunov A.
Laboratory of High Energies
Joint Institute for Nuclear Research
P.G.Akishin
Laboratory of Information Technologies
Joint Institute for Nuclear Research
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Superconducting Dipole Magnet
Large Aperture 1x1 m2
The weight of the iron yoke is 67000 kg
The field integral 1 Tm
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The CBM Superconducting Dipole
Magnet
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The Possible Variant of Superconducting
Dipole Magnet
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Track finder for STS
with conformal mapping
O. Rogachevsky
Laboratory of High Energies
Joint Institute for Nuclear Research
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CBM STRAW TRANSITION RADIATION
DETECTOR/TRACKER (TRT)
V.Peshekhonov
Laboratory of Particle Physics
Joint Institute for Nuclear Research
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CBM STRAW TRT
Target-Detector distance:
1-st module - 4 m
2-d
- 6m
3-d
- 8m
Angle Acceptance –
from 50 mrad to 500 mrad
Sensitive area X(horizontal) x Y(vertical) for 1-st, 2-d, 3-d module:
~ (5.8 x 3.9) m2; (8.7 x 5.8) m2; (11.6 x 7.7) m2
Space Resolution - < 200 mkm
Rejection of electrons from pions ~ 300
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V.Peshekhonov
2
03.10.2004
Software (track and pattern
reconstruction, RICH,
magnetic field)
V.V. Ivanov
Laboratory of Information
Technologies
Joint Institute for Nuclear Research
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
3D track recognition by the track-following method
(G.Ososkov, A.Airiyan, A.Lebedev, S.Lebedev)
 Accurate momentum restoration based on orthogonal
polynomial sets (E.P.Akishina, V.V.Ivanov, E.I.Litvinenko)
 Application of Kalman filter for momentum restoration
(S.A.Baginyan, V.V.Ivanov, P.V.Zrelov)
 Polynomial approximation in a problem of accurate
momenta reconstruction (P.G.Akishin)
 RICH ring guidance by the Hough transform approach
charged particle tracing through inhomogeneous
(B.Kostenko, G.Ososkov, A.Solovjev)
 Looking for the STS “secondary” tracks
(V.Ivanov, G.Ososkov, A.Airiyan)
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General topics which can be covered by
Laboratory of Theoretical Physics in CBM
program
D.Blaschke
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1. Hadron masses/decays in chiral quark/qluon models
(M.Ivanov, M.Volkov)
2. Hadron-hadron cross sections including D-meson
properties and J/ψ breakup (D.Blaschke, M.Ivanov,
N.Kochelev)
3. Hadrons in hot, dencse matter including in-medium 
mesons (M.Volkov, V.Yudichev, D.Blaschke, E.Kuraev,
A.Radzhabov)
4. Equation of state and QCD phase diagram
(D.Blaschke, V.Toneev, V.Yudichev, Khvorostukhin)
5. Kinetics and hydrodynamics of heavy-ion collisions
with application to analysis of various hadronic and
photon/lepton observables (V.Toneev, V.Skokov)
6. Relativistic effects in hadron-nucleus scattering
(S.Bondarenko, V.Burov, V.Chabanov)
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Total cost in 2005 (funding required from BMBF ):
Materials and equipment for R&D of fast gas
detectors
36.0 k€
Materials and equipment for straw tube tracker
prototype
22.0 k€
Computers for development of Level-1 trigger
18.0 k€
Scientific missions
14.0 k€
Sum
90.0 k€
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ITEM
MEuro
TRD +TRT detectors (R&D, prototyping,
construction)
Dipole Superconducting Magnet (R&D,
construction)
6.4
Physics, simulation, software, computing
0.7
SUM
10.1
3.0
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