Large Area Fast Silicon Tracking Systems for CBM expriment at FAIR, Germany and MPD setup of NICA Yu.A.Murin LHEP JINR Yu.A.Murin, Kuokola, 25 June, 2013

Global tasks of heavy ion high energy physics JINR Yu.A.Murin, Kuokola, 25 June, 2013 Deconfined matter Confined matter Spinodial decay ? Deconfined matter Chiral symmetry restoration Magnetic fields up to G Strange matter continent (“new hypernucler physics”)

Two major objectives to study heavy-ion collisions at intermediate energies Deconfinement through SD New Hypernuclear Physics SIS-300 and NICA task SIS-100 (FAIR) and Nuclotron-M (NICA) tasks Superdense nuclear matter Yu.A.Murin, Kuokola, 25 June, 2013

4 Energy region covered by the LHEP and GSI facilities (in deutron energy, recalculated for E lab ) E lab, GeV/u SIS-18 (GSI) Nuclotron-N (JINR) Booster (LHEP) Collider NICA (JINR) SIS-100 (FAIR) SIS-300 (FAIR) fixed target colliders operational Year of putting in operation RHIC & LHC(BNL, CERN) Yu.A.Murin, Kuokola, 25 June, 2013

UNILAC SIS18 SIS100/300 p-Linac HESR CR & RESR NESR 100 m Primary Beams /s; 1.5 GeV/u; 238 U /s 238 U 73+ up to 35 GeV/u 3x10 13 /s 30 GeV protons Storage and Cooler Rings radioactive beams antiprotons GeV/c, stored and cooled Secondary Beams range of radioactive beams up to GeV/u; up to factor higher in intensity than presently antiprotons GeV Technical Challenges cooled beams rapid cycling superconducting magnets dynamical vacuum SIS100: Au 11 A GeV SIS300: Au 35 A GeV APPA The Facility for Antiproton and Ion Research FAIR Yu.A.Murin, Kuokola, 25 June, 2013

Modul 0 SIS100 Modul 1 CBM, APPA Modul 3 Antiproton- target, CR, p-Linac, HESR Modul 2 Super-FRS The Facility for Antiproton and Ion Research FAIR Yu.A.Murin, Kuokola, 25 June, 2013

STS JINR-GSI coop. Yu.A.Murin, Kuokola, 25 June, 2013 LHEP plans for new facilities within NICA megaproject

The 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. Yu.A.Murin, Kuokola, 25 June, 2013

10 Beam Energy Intensity per cycle p 4,5 GeV 2  d 2,2 GeV 5  C MeV 7  Mg MeV 5  Ar MeV 6  Ni MeV 8  Kr 34+ 0,3 -1 GeV 2  Xe 48/42+ 0,3 -1 GeV 1  Ta GeV 2  Au 65/79+ 3  U 28+/73+ 0,05-1 GeV 6  10 9 /2  Bea m Nuclotron beam intensity (particle per cycle) Current Ion source type New ion source + booster p 3  Duoplas motron 5  d 3  ,,  He 8  ,,  dd 2  10 8 SPI 1  Li 8  10 8 Laser 5  C 1  ,,  Mg 2  ,, N 1  10 7 ESIS (“Krion- 6T”) 5  Kr 1  ,,  Xe 1  ,,  Au- ---,,  10 9 HI beams of SIS18 (GSI) and Nuclotron (JINR) Energy & Intensities, pcs per cycle

The CBM experiment at FAIR Dipole Magnet Ring Imaging Cherenkov Detector Silicon Tracking System Micro Vertex Detector Transition Radiation Detectors Resistive Plate Chambers (TOF) Electro- magnetic Calorimeter Projectile Spectator Detector (Calorimeter) Target two configurations: - electron-hadron - and muon setup Muon Detection System Yu.A.Murin, Kuokola, 25 June, 2013

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% X 0 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 hit rates < 20 MHz/cm 2 ― 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 × n eq /cm 2 (SIS100) ―1 × n eq /cm 2 (SIS300) Integration, operation, maintenance ―compatible with the confined space in the dipole magnet Yu.A.Murin, Kuokola, 25 June, 2013

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 Yu.A.Murin, Kuokola, 25 June, 2013

Assessment of tracking stations – material budget station 4 sensor: 0.3% X 0 r/o cables: 2×0.11% X 0 electronics front view side view Yu.A.Murin, Kuokola, 25 June, 2013

Assessment of tracking stations – sensor occupancy sensor occupancy := ratio “ nb. of hit strips : nb. of all strips“ in a sensor station 1 Y/cm Yu.A.Murin, Kuokola, 25 June, 2013

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 Yu.A.Murin, Kuokola, 25 June, 2013

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 Yu.A.Murin, Kuokola, 25 June, 2013

Au+Au, 8 AGeV Physics performance studies – example hyperons Au+Au, 25 AGeV c  several cm, decays just before/ within STS Yu.A.Murin, Kuokola, 25 June, 2013

19 Hyperon and hypernuclei with STS with CBM-like STS at Nuclotron existing SP-42 magnet  H 3  - 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 7,5 o stereo angle  full event reconstruction Yu.A.Murin, Kuokola, 25 June, 2013

NICA MPD-ITS Th Computer model simulations by V.P.Kondratiev and N.Prokofiev, SPbSU MPD ITS status Yu.A.Murin, Kuokola, 25 June, 2013

The need for modern fast and high precision instrumentation based on microstrip sensors Supermodule („the ladder“)= Sensitive modules on light weighed CF support frames with FEE in cooled containers at the rare ends NICA MPD The Ladder Yu.A.Murin, Kuokola, 25 June, 2013

The CBM-MPD STS Consortium Since Nov 2008 Yu.A.Murin, Kuokola, 25 June, 2013

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 in Dubna Yu.A.Murin, Kuokola, 25 June, 2013

Mechanics Produced in SPb with a dozen CF space frames CERN Punch and Mold for production of true CBM supporting frames Yu.A.Murin, Kuokola, 25 June, 2013

Demonstrators and prototypes Yu.A.Murin, Kuokola, 25 June, 2013

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 responsibility Hamamatsu, 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 Yu.A.Murin, Kuokola, 25 June, 2013 Usage of SINP MSU Si lab expertize ( Merkin M.M. et al)

Prototype Device for ladder assembling manufactured at PLANAR, Minsk, Rep. of Belarus, 2012 Yu.A.Murin, Kuokola, 25 June, 2013

The German forced change in tentative WP of the Consortium : TDR Jun 2013 – Comissioning Oct 2017   Yu.A.Murin, Kuokola, 25 June, 2013

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 Yu.A.Murin, Kuokola, 25 June, 2013

 Through years 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 3 M USD) released to develop corresponding infrastructure for massive production of modules and, especially, supermodules at LHEP JINR by mid-2015 for the 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