large area fast silicon tracking systems for cbm expriment at fair, germany and mpd setup of nica...
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Large Area Fast Silicon Tracking Systems for CBM expriment at FAIR,
Germany and MPD setup of NICA
Yu.A.MurinLHEP JINR
Yu.A.Murin, Kuokola, 25 June, 2013
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Global tasks of heavy ion high energy physics
BM_N@
JINR
RHIC@BNL
MPD@
NICA-
JINR
CBM@
FAIR
ALICE@CERN
Yu.A.Murin, Kuokola, 25 June, 2013
Deconfined matter Confined matter
Spinodial decay ?
• Deconfined matter • Chiral symmetry restoration• Magnetic fields up to 1018 G• Strange matter continent
(“new hypernucler physics”)
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Two major objectives to study heavy-ion collisions at intermediate energies
Deconfinement through SDNew Hypernuclear Physics
SIS-300 and NICA task
SIS-100 (FAIR) and Nuclotron-M (NICA) tasks
Superdense nuclear matter
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4
Energy region covered by the LHEP and GSI facilities(in deutron energy, recalculated for Elab )
5 10 15 40 60 80 Elab , GeV/u
2015
2017
2018
2020
SIS-18 (GSI)
Nuclotron-N (JINR)
Booster (LHEP)
Collider NICA (JINR)
SIS-100 (FAIR)
SIS-300 (FAIR)
fixed target colliders
operational
Yea
r o
f p
utt
ing
in
op
erat
ion
RHIC & LHC(BNL, CERN)
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UNILAC
SIS18 SIS100/300p-Linac
HESR
CR &RESR
NESR100 m
Primary Beams
• 1012/s; 1.5 GeV/u; 238U28+
• 1010/s 238U73+ up to 35 GeV/u• 3x1013/s 30 GeV protons
Storage and Cooler Rings• radioactive beams
• 1011 antiprotons 1.5 - 15 GeV/c,
stored and cooled
Secondary Beams• range of radioactive beams up to 1.5 - 2 GeV/u; up to factor 10 000 higher in intensity than presently • antiprotons 3 - 30 GeV
Technical Challenges• cooled beams • rapid cycling superconducting magnets• dynamical vacuum
SIS100: Au 11 A GeVSIS300: Au 35 A GeV
APPA
The Facility for Antiproton and Ion Research FAIR
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Modul 0SIS100
Modul 1CBM,APPA
Modul 3Antiproton-target, CR,p-Linac, HESR
Modul 2Super-FRS
The Facility for Antiproton and Ion Research FAIR
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Yu.A.Murin, Kuokola, 25 June, 2013
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STS
JINR-GSI coop.
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LHEP plans for new facilities within NICA megaproject
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The BM@N experiment project The BM@N experiment project • measurements of the multistrange objects (Ξ, Ω, exotics)
& hypernuclei in HI collisions
• close to the threshold production in the region of high sensitivity to the models prediction
GIBS magnet (SP-41)
TS-target station, T0- start diamond detector,
STS - silicon tracker, ST- straw tracker, DC- drift chambers, RPC- resistive plate chambers, ZDC- zero degree calorimeter, DTE – detector of tr. energy.
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10
Beam EnergyIntensity
per cycle
p 4,5 GeV 21010
d 2,2 GeV 51011
12C6+ 300 MeV 71010
24Mg12+ 300 MeV 51010
40Ar18+ 300 MeV 61010
58Ni26+ 300 MeV 8109
84Kr34+ 0,3 -1 GeV 21010
124Xe48/42+ 0,3 -1 GeV 11010
181Ta61+ 1 GeV 2109
197Au65/79+ 3109
238U28+/73+
0,05-1 GeV 6109/21010
Beam
Nuclotron beam intensity (particle per cycle)
CurrentIon
source type
New ion source
+ booster
p 31010 Duoplasmotron
51012
d 31010 --- ,, --- 51012
4He 8108 --- ,, --- 11012
d 2108 SPI 11010
7Li 8108 Laser 51011
12C 1109 --- ,, --- 21011
24Mg 2107 --- ,, ---
14N1107
ESIS (“Krion-6T”)
51010
84Kr 1104 --- ,, --- 1109
124Xe 1104 --- ,, --- 1109
197Au - --- ,, --- 1109
HI beams of SIS18 (GSI) and Nuclotron (JINR)
Energy & Intensities, pcs per cycle
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The CBM experiment at FAIR
DipoleMagnet
Ring ImagingCherenkovDetector
SiliconTrackingSystem
Micro VertexDetector
Transition Radiation Detectors
Resistive Plate Chambers (TOF) Electro-
magneticCalorimeter
Projectile SpectatorDetector(Calorimeter)
Target
two configurations:
- electron-hadron - and muon setup
MuonDetection System
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CBM(BM@N) STS design constraints• Coverage:
― rapitidies from center-of mass to close to beam
― aperture 2.5° < < 25° (less for BM_N)
• Momentum resolution ―δp/p 1% ― field integral 1 Tm, 8 tracking stations― 25 µm single-hit spatial resolution ― material budget per station ~1% X0
• No event pile-up― 10 MHz interaction rates― self-triggering read-out ― signal shaping time < 20 ns
• Efficient hit & track reconstruction close to 100% hit eff. > 95% track eff. for momenta >1 GeV/c
• Minimum granularity @ hit rates < 20 MHz/cm2
― maximum strip length compatible with hit occupancy and S/N performance
― largest read-out pitch compatible with the required spatial resolution
• Radiation hard sensors compatible with the CBM physics program
― 1 × 1013 neq/cm2 (SIS100)― 1 × 1014 neq/cm2 (SIS300)
• Integration, operation, maintenance― compatible with the confined space
in the dipole magnet
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• Aperture: 2.5° < < 25° (some stations up to 38°).• 8 tracking stations between 0.3 m and 1 m downstream the target.• Built from double-sided silicon microstrip sensors in 3 sizes,
arranged in modules on a small number of different detector ladders. • Readout electronics outside of the physics aperture.
System concept
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Assessment of tracking stations – material budget
station 4
sensor: 0.3% X0
r/o cables: 2×0.11% X0
electronics
front view side view
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Assessment of tracking stations – sensor occupancy
sensor occupancy := ratio “nb. of hit strips : nb . of all strips“ in a sensor
station 1
Y/cm
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Assessment of tracking stations – hit cluster size
in station 4
mean: 2.7
distribution for full STS
cluster of strips := number of adjacent strips in a sensor that fire simultaneously
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Track reconstruction performance studies
momentum resolution
Ongoing layout improvements:
•aperture improvements to be done in some of the stations: better coverage around beam pipe
•optimize number and type of modules and their deployment in the stations
primary
secondary
track reconstruction efficiency
25 AGeV Au+Au central
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Au+Au, 8 AGeV
Physics performance studies – example hyperons
Au+Au, 25 AGeV
c several cm,decays just before/within STS
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19
Hyperon and hypernuclei with STS with CBM-like STS at Nuclotron existing SP-42 magnet
H3 -
total efficiency 8% 2 %
central Au+Au collisions at 4 AGeV:
Silicon tracker: 8 stations microstrips (400 µm each) Strips with 50 µm pitch and 7,5o stereo angle full event reconstruction
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NICA MPD-ITS
Th Computer model simulations by V.P.Kondratiev and N.Prokofiev, SPbSU
MPD ITS status
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The need for modern fast and high precision instrumentation based on
microstrip sensors
Supermodule („the ladder“)=Sensitive modules on light weighedCF support frames with FEE in cooled containers at the rare ends
CBM/BM@N
NICA MPD
The Ladder
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The CBM-MPD STS Consortium Since Nov 2008
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23
CBM-MPD STS Consortium
• GSI, Darmstadt, Germany
• JINR, Dubna, Russia• IHEP, Protvino, Russia• MSU, Moscow, Russia• KRI, St.Petersburg, Russia• University, St.Petersburg• SE SRTIIE, Kharkov, Ukraine• NCPHEP, Minck,Belarus Rep.• PI AS, Prague,Czech Rep
• 8 institutes• 5 countries
• Components
• Modules assembly • Ladder assembly • Radiation tests• In-beam tests
• CBM in Darmstadt
MPD and BM@N in
Dubna
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Mechanics hardware:Punch@Mould Produced in SPb with a dozen CF space
frames manufactured @ CERN
Punch and Mold for production of true CBM supporting frames
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Demonstrators and prototypes
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The CBM-MPD STS Consortium: change in sensor production policy – mixed DSSD
SSSD structure of STS (based on experience gotton!)
DSSD: German Party responsibility – CiS, Erfurt (62х62) + Hamamatsu, Japan (42х62), double metalization on P-side
SSSD-sandwich: the Consortium responsibilityHamamatsu, Japan (42х62), On-SemiConductor, Czech Rep. (62х62) + auxiliary chipcable (SE RTIIE) +RIMST,RF
Sensor development – involvement of Hamamatsu , Attepmpt to repeat at Vendors in
Russia, Belarusia, and Czeh Republics
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Usage of SINP MSU Si lab expertize ( Merkin M.M. et al)
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Prototype Device for ladder assembling manufactured at PLANAR, Minsk , Rep. of
Belarus, 2012
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The German forced change in tentative WP of the Consortium : TDR Jun 2013 –
Comissioning Oct 2017
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•Equipment of JINR test bench with n-XYTER readout
•Mechanics preparation
•Slow Control for Protvino in-beam
•Logic Init for recording the external DAQ information into the ROC
Status: Preparations for the in-beam tests at Nuclotron
Preparations for the in-beam tests at Nuclotron
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Through years 2008-2013 the CBM-MPD STS Consortium demonstrated self-sustained growth of R& D activity which could be successfully accomplished within 1,5 -2 years
The Conclusions
In 2013 common GSI-JINR project started with resources (@around 3 M USD) released to develop corresponding infrastructure for massive production of modules and, especially, supermodules at LHEP JINR by mid-2015 for the BM@N and CBM STS projects, firstly, and NICA-MPD ITS, afterwards Young generation recruitment and training is the basic problem of the project to be discussed tomorrow in more details as well as more involvement of physicists from the Universities of both capitals of Russia
Thank you for your attention!Yu.A.Murin, Kuokola, 25 June, 2013