RHIC-BES program as a path towards future HIC(sPHENIX/J-parc)
ShinIchi Esumi
University of Tsukuba
Division of Quark
Nuclear Matters
Research Core for the
History of the Universe
Center for Integrated
Research in Fundamental
Science and Engineering
(CiRfSE)
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Relativistic Heavy-Ion Collider (RHIC)
Brookhaven National Lab. (BNL)
New York, USA
Large Hadron Collider (LHC)
European Organization for Nuclear
Study (CERN), Geneva, Switzerland
〜 a few km
〜 200 GeV
〜a few 10km
〜 5 TeV
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Experiments at RHIC and LHC
ALICE
PHENIX
ATLAS
STAR
CMS
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Towards high-density
FAIR / J-PARC
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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S. Nagamiya
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Nucleon or Quark participant scaling
QM14, J. Mitchell
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Baryon density extracted
from thermal model fit to
identified hadron spectra
STAR preliminary
R. Vértesi, Dec/2014,
14. Zimányi Winter School
√sNN (GeV)
mB (MeV)
#Events
#Weeks
Year
200
20
350 M
11
2010
62.4
70
67 M
1.5
2010
39.0
115
130 M
2
2010
27.0
155
70 M
1
2011
19.6
205
36 M
1.5
2011
14.5
260
20 M
3
2014
11.5
315
12 M
2
2010
7.7
420
4M
4
2010
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
STAR preliminary
S. Esumi, U. of Tsukuba
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Ratio of W(sss) / f(ss) spectra
- extraction of strange
quark distribution
- based on quark coalescence
picture
RHIC-STAR
arXiv:1506.07605
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Directed Flow v1
p v2 goes down before
turning to be positive
arXiv:1401.3043
PRL112 (2014) 16, 162301
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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mass dependence of v2 with hydro-model
RHIC vs LHC
Very strong radial flow in data.
Not enough radial flow in hydro,
or hadronic afterburner.
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Elliptic Flow v2 --- departure from quark number scaling --PRC88 (2013) 014902
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Elliptic Flow difference : Dv2
arXiv:1301.2347
PRL110 (2013) 14, 142301
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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relation : e2initial – v2 – e2final
Event shape from HBT
Elliptic and Triangular shape : RHBTF2, RHBTF3
n=2
n=3
e2final
efinal via HBT interferometry
PHENIX, QM14
PRL112 (2014) 222301
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Energy dependence of
(1) freeze-out shape eFinal
(2) duration time
(3) expansion velocity
from HBT data
arXiv:1403.4972, PRC92 (2015) 1, 014904
arXiv:1410.2559
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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BG-subtracted
charge separation signal
as a function of beam energy
Strong B-field
L or B
＋
＋
arXiv:1404.1433
Phys.Rev.Lett. 113 (2014) 052302
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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charge dependent v2 w.r.t. charge asymmetry
+
+
arXiv:1504.02175
Phys.Rev.Lett. 114 (2015) 25, 252302
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Shape of net-proton distribution (fluctuation of conserved quantities
: net-Baryon, net-charge)
arXiv:1309.5681
Phys.Rev.Lett. 112 (2014) 032302
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Higher order shape of net-proton distribution
X. Luo, CPOD2014
RHIC-STAR
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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pp
Min.Bias.
Ridge or Flow
pp
High Mult.
LHC-CMS
Pb
p
RHIC RUN16
will include dAu
beam energy scan
at 20, 40, 60GeV.
Pb
LHC-CMS
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Partonic energy loss
and Jet quenching
jet
p
Au
RHIC-STAR
p
Au
Reconstructed
jet – hadron
correlation
Phys. Rev. Lett. 91, 072304 (2003)
LHC-CMS
2-particle correlation
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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LHC CMS/ATLAS : Modification of Jet fragmentation
・re-distribution towards lower pT particles
・re-distribution at larger angle
CMS QM2014
High pT
Low pT
Phys. Rev. C 90 (2014) 02490
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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T2
Jet-medium interaction : hard-soft interplay
T1
T1
Jet axis dependence
with respect to geometry
T2
Df vs fJet-FR.P.
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
Dh vs hJet
S. Esumi, U. of Tsukuba
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A Large-Acceptance Jet and Upsilon Detector at RHIC
Full jet and
Upsilon studies
at RHIC energy
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Beam Energy Scan 2 with STAR detector at RHIC
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
R. Vértesi, Dec/2014,
14. Zimányi Winter School
S. Esumi, U. of Tsukuba
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Fixed target mode at RHIC-STAR
R. Vértesi, Dec/2014,
14. Zimányi Winter School
•
•
•
Target inserted into beam pipe
Only a small percentage
Does not interfere with collider mode data taking
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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J-PARC
slide from H. Sako, ATHIC14, Aug/2014, Osaka
J-PARC =
Japan Proton Accelerator
Research Complex
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Summary
Beam Energy Scan 2
• Yield, Flow, HBT
• Chiral Magnetic effect
• Higher order fluctuation
A New RHIC detector
• Jets
• Upsilon
J-PARC Heavy Ion
GSI-FAIR CBM
NICA
Z. Xu, ICPAQGP2015
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Thank you very much for your attention.
Back-up slides follow.
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Beam energy dependence of nquark scaled v2
(increased radial flow)
Relative momentum shift of heavier particles (protons) are
larger than light hadrons (pions), which is consistent with an
increased radial flow.
PRC 85, 064914 (2012)
Pb+Pb 2.76 TeV
ALICE Preliminary
proton
proton
Au + Au 39 GeV
PHENIX Preliminary
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Slope :
r = Dv2 / DAch
arXiv:1504.02175
Phys.Rev.Lett. 114 (2015) 25, 252302
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Energy loss at high pT and re-distribution
of the lost-energy at low pT at RHIC
g
h
prompt photon - hadron correlation
NPTY = associate hadron yield per trigger g
IAA = NPTY(AA) / NPTY(pp)
PRL 111 (2013) 032301
Suppression
in high pT
Enhancement
in Low pT
Low pT
High pT
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Jet1
(pT,1)
Aj measurement at RHIC
•
•
•
similar effect with smaller
jet cone R~0.2 at RHIC
lower jet energy than LHC,
smaller effect than LHC
mostly recovered jet energy
within larger jet cone R~0.4
R~0.2
R~0.4
in (f,h)
AJ =
PT,1 - PT,2
PT,1 + PT,2
Jet2
(pT,2)
The difference
is mostly gone.
STAR, QM14
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
S. Esumi, U. of Tsukuba
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Systematic test of energy loss and redistribution
with photons, jets and hadrons
These two effects (energy loss
and redistribution) can not be
clearly separated experimentally!
Closer and closer to
the initial parton energy
Gamma
Jet (large R)
Jet reconstruction is to
recover the lost energy to get
the original parton energy.
Jet (+hadron)
Jet as a control tool to define
path length
Jet (small R)
0 (hadron)
QGP
inside
surface
4th Japan-Korea PHENIX Collaboration Workshop meeting, 19/Oct/2015, Seoul, Korea
more and more surface bias
given by energy loss
S. Esumi, U. of Tsukuba
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