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Introduction on the NICA project
Zebo Tang (唐泽波)
University of Science and Technology of China (USTC)
State Key Lab. of Particle Detection & Electronics, MoST
Workshop on “Flow, Jet Quenching and Strong Coupling Physics”
Dec. 17-19, 2016, Huzhou University, Huzhou, China
Thanks to Itzhak Tserruya, Golovatyuk Slava,
Fuqiang Wang, V. Kekelidze for the materials
Nuclotron based Ion Collider fAcility
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 2
Synchrotron Nuclotron is in operation since 1993 at JINR at Dubna
NICA accelerator complex is under construction (started at 2013)
R=231.5 m
Zebo Tang (USTC)
NICA and Nuclotron beams
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 3
Heavy ion colliding beams up to 197Au79+ + 197Au79+ at:
sNN = 4 - 11 GeV , Laverage= 1×1027 cm-2s-1
same or higher Laverage for lighter ions
Polarized beams of protons and deuterons in collider mode:
p+p spp = 12 - 26 GeV Lmax ≈ 1×1032 cm-2s-1
d+d sNN = 4 - 13.8 GeV
Nuclotron extracted beams of ions and polarized protons and
deuterons for fixed target experiments:
Li - Au = 1 - 4.5 GeV/u ion kinetic energy
p = 5 - 12.6 GeV kinetic energy
d = 2 - 5.9 GeV/u ion kinetic energy
Zebo Tang (USTC)
NICA Complex
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 4
NUCLOTRON
0.6-4.5 GeV/u
PS and
LU-20 (5MeV/u)
Accelertor complex LHEP
existing
In preparation
KRION-6T+HILac (3MeV/u)
Booster
(600 MeV/u)
MultiPurpose
Detector - MPD
Transfer lines
Zebo Tang (USTC)
NICA Physics
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 5
NICA NICA
QCD matter at NICA:
• Dense baryonic matter
• Energy covers Critical point search and Onset of deconfinement
• Complementary to STAR-BES, CBM and CERN experimentsZebo Tang (USTC)
Present and future HI machines
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 6
2018
2022?
20??
2017
SIS-18 (GSI)
NICA-BM@N (JINR)
SPS (NA-49/61, CERN)
STAR
(BNL)
Booster (JINR)
NICA-MPD (JINR)
SIS-100 (FAIR)
SIS-300 (FAIR)
2 4 6 8 20 40 60 80
for Au+Au1 10 102√SNN, GeV
Fixed target:
L-limited by
detectors
Colliders:
scale of L,
in cm-2s-1
1027
1025
1023
BES
NA60+? 20??
2020
LHC (CERN)
Zebo Tang (USTC)
Compare to other facilities
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 7
NICA/MPD (2020)
STAR F.T.
NA-61/SHINE
HADES
CBM
STAR BES II
Inte
ract
ion
rat
e [
Hz]
NICA/BM@N I
NICA/BM@N II
SIS-100 FAIR (2022+)
Collision energy √sNN [GeV]
Zebo Tang (USTC)
2 3 4 5 6 8
Current status of NICA accelerator
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 8
• Design phase completed.
• Technical solutions approved by MAC.
• Contract for the construction of the collider building signed a year
ago on September 15, 2015 with STRABAG.
Civil construction has started.
• Superconducting magnets serial production has started.
Zebo Tang (USTC)
Civil construction and Magnet production
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 9
http://nucloweb.jinr.ru/nucloserv/205corp.htm
Zebo Tang (USTC)
MPD (Multi-Purpose Detector)
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 10
• 9 m long, 6m diameter
• Low material budget
• Good tracking and pid
• Tracking (TPC):
up to |h|<2, 2π in azimuth
• PID (TOF, TPC, ECAL):
hadrons, e, g
• Event characterization
(FHCAL):
centrality & event plane
Stage 1: TPC, TOF, ECal, FHCal and FFDStage 2: IT and Endcaps
(tracker, TOF, ECal)
Technical Design Reports:http://nica.jinr.ru/files/mpd_tdr.htm
Zebo Tang (USTC)
SC solenoid and TPC
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 11
Superconducting solenoid:
• 0.66 T, ~900 tons
• Contract signed with ASG superconductors (Genova, Italy)
Sketch of TPC 3400 Ø2800
12 Readout
chamber
HV-electrode
~ 28 kV
~ 110 000 readout channels
E E
Time Projection Chamber:
• 3.4m long, R=0.27-1.4 m
• Basic R&D finished, assembly workshop in preparation
Zebo Tang (USTC)
Time-of-Flight system
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 12
Forward Fast Detector
Active area: ~56 m2
# channels: 13824
MRPC
Zebo Tang (USTC)
Calorimetry
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 13
ECAL – shashlik type
ECal sector
ECal module:
25 kg
Module tested at CERN and DESY
𝜎 𝐸 = 5%𝐸⊕ 2%
Forward HCal
σ(E)/(E) = 53%/√E(GeV) +10%
Test fulfills required resolution
Trigger
Centrality
Event plane
Zebo Tang (USTC)
MPD performances
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 14
Momentum resolution
Efficiency vs pT Particle id (dE/dx and ToF)
Particle id (dE/dx)
Zebo Tang (USTC)
< 2% @ pT<2 GeV/c
Down to 0.1 GeV/c
Hyperons and hypernuclei
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 15
𝜦𝟑𝑯
10510 weeks
Zebo Tang (USTC)
Electron and dielectron
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 16
Hadron suppression
up to 10-5
dE/dx and TOF
σω≈14 MeV/c2
Particle Yields Decay mode
BR Effic. % Yield/1 w
4p y=0
r 31 17 e+e- 4.7 . 10-5 35 7.3 . 104
w 20 11 e+e- 7.1 . 10-5 35 7.2 . 104
j 2.6 1.2 e+e- 3 . 10-4 35 1.7 . 104
Yields, central Au+Au at √sNN = 8.8 GeV
Zebo Tang (USTC)
BM@N (Baryonic Matter at Nuclotron)
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 17
Fixed target experiment
using Nuclotron beams
Large aperture magnet
(~1m gap between poles)
MPD stage I
BM@N plan
Technical runs with d, Li, C
2016 – 2017;
Physics run (I stage) with Kr
int rate 20 kHz
End of 2017;
Physics run (II stage) with Au
int rate 50 kHz:
2019
Zebo Tang (USTC)
BM@N performances
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 18
d+C 4 AGeV, 500K events
UrQMD & DCM-QGSM, Au+Au, Ekin.= 4.5A GeV 20 KHz trigger
900K central events 7.5M X- in 1 month
Technical run
Physics run
Zebo Tang (USTC)
NICA overall schedule
Huzhou QCD workshop, Huzhou U., 12/17-19, 201619
2015 2016 2017 2018 2019 2020 2021 2022 2023Injection complex
Lu-20 upgrade
HI Source
HI Linac
Nuclotron
general development
extracted channels
Booster
Collider
startup configuration
design configuration
BM@N
I stage
II stage
MPD
solenoid
TPC, TOF, Ecal (barrel)
upgraded end-caps
Civil engineering
MPD Hall
SPD Hall
collider tunnel
HEBT Nuclotron-collider
Cryogenic
for Booster
for Collider
running
time
Zebo Tang (USTC)
NICA Physics with MPD and BM@N
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 20
Bulk properties, EOS- particle yields & spectra, fermtoscopy, flow
Search for QCD Critical Point
- event-by-event fluctuations & correlations
Onset of phase transition:
- deconfinement (QGP thermal radiation)
- In-medium modification of hadron properties:
r, w, f e+e- and continuum m < 3 GeV/c2
Enhanced strangeness production
Chiral Magnetic (Votical) effect
- L polarization
Strangeness in nuclear matter
- hypernuclei
Systematic study of pp, pA and AA
MPD
BM@N
Zebo Tang (USTC)
Anything to do with us?
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 21
• 2010/06, NICA people from JINR visited Tsinghua University
and USTC
• 2011/02, we visited JINR for MRPC beam test
• 2016/09, Itzhak Tserruya gave seminars at Tsinghua University
and USTC
• 2016/11, Fuqiang and I visited JINR
Zebo Tang (USTC)
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 22Zebo Tang (USTC)
Our view of NICA
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 23
Photo taken at the main
gate of JINR, Dubna
Dec. 1, 2016
Civil construction
Zebo Tang (USTC)
Fuqiang at BM@N
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 24Zebo Tang (USTC)
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 25
MPD MRPC Assembly
MPD detector
beam test facility
Magnet assembly & test
Zebo Tang (USTC)
A letter of intent written by
Fuqiang Wang sent to MoST
of China after our visit
Summary
Huzhou QCD workshop, Huzhou U., 12/17-19, 2016 26
• NICA facility has the potential for competitive research in the
field of dense baryonic matter
• NICA complex construction is in good shape
• Accelerator construction in progress
• Construction of both detectors, BM@N and MPD, is
progressing well
• JINR is looking for more international collaborations
• Anyone interested in is welcome to contact Prof. Fuqiang Wang
or Zebo Tang
Zebo Tang (USTC)