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sPHENIX upgrade at mid-rapidity ShinIchi Esumi Inst. of Physics, Univ. of Tsukuba contents : Hadrons Electrons Photons Jets. Workshop on : “Future Directions in High Energy QCD” 20-22/Oct/2011 Nishina Hall, Riken, Japan. sPHENIX & ePHENIX. PHENIX. - PowerPoint PPT Presentation
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Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 1
sPHENIX upgrade at mid-rapidity
ShinIchi EsumiInst. of Physics, Univ. of Tsukuba
contents :
• Hadrons• Electrons• Photons• Jets
Workshop on :
“Future Directions in High Energy QCD”20-22/Oct/2011Nishina Hall, Riken, Japan
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 2
sPHENIX&
ePHENIX
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 3
PHENIX
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 4
TOF vs 1/p (with ACC veto)
K
pTime of Flight
Aerogel Cherenkov Counter
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 5
Thermal / chemical freeze-out properties from PIDed spectra and ratios
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 6
Partonic and hadronic expansion / collectivity from PIDed v2
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 7
Advanced MRPC
ASICs for fast timing
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 8
FAST mRPC TOF for PID from Mickey Chiu
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 9
Beam Energy Scan Programfrom STAR experiment
net-proton distribution n-quark scaling of v2
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 10
PHENIX
(Amazing) similarity between RHIC and LHC (v2 and RAA)
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 11
PHENIX Preliminary PHENIX Preliminary
Au+Au 200GeVPb+Pb 2.76TeV Au+Au 39GeV
protonproton
Small deviations in (mT-m0)/nq scaled v2
roughly (mT-m0)/nq scaled for all energieslarger pT shift for heavier particlesradial flow increases with energy
M. Krzewicki, QM11
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 12
Geometrical source anisotropy via HBT measurement at the end of freeze-out
T. Niida, WPCF2011, 20/Sep/2011 It might be different from the v2-v4 relation
final
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 13
Ring-Imaging Cherenkov Detector
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 14
Charm suppression and flow from single electrons
Thermal photon spectra from electron-pairs (*)
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 15
Direct photon RAA
Direct photon v2
prompt dominance : no suppression and small v2 at high pT
large v2 for thermal photon from combined real and virtual measurements
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 16
Electron-pair mass spectra in p+p / Au+Au
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 17
Pairs in Central Arms
Pairs matched to HBD
Pairs after HBD rejection
0.65 m
e+
e-
pair
opening angle
B≈0 1.21
mCherenkov blobs
Hadron Blind Detector
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 18
Charged hadrons and jets High pT photons and electrons
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 19
J/Psi RAA and v2
different J/ RAA(pT) dependence between RHIC( ) and LHC( )
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 20
R>0.8R<0.8
Jet energy asymmetry+
Out-of-Cone radiation
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 21
IAA (pTh:2-7GeV/c, pT
:5-12) vs Npart
Fragmentation function with direct photon trigger
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 22
0 (hadron) triggerJet (s
mall R) tr
iggerJet (large R) tr
iggerGamma trigger
Closer and closer to
the initial parton energy
more and more surface bias
given by energy loss
STAR Preliminary
Au+Au 0~10%
,Jet,0 - hadron correlation Comparisons are the most important!
RHIC-AGS’09, Y. S. Lai
QM09, M. Ploskon
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 23
v2 in p+p v3 in A+A
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 24
vn
Higher harmonic event anisotropy and azimuthal correlation
ATLAS Preliminary
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 25
(4) s=[-1,0]/8(5) s=[0,1]/8
PHENIX preliminary
in-planetrigger selection
out-of-planetrigger selection
average
(1)
(2)
(3)
(4)
(5)
(6)
(7)(8)(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
in-plane
Asso. Trig. (rad)
in-plane associate regions
s = Trig. R.P.
[]
(6) s=[1,2]/8
(7) s=[2,3]/8
(8) s=[3,4]/8
(3) s=[-2,-1]/8
(2) s=[-3,-2]/8
(1) s=[-4,-3]/8
200GeV Au+Au -> h-h (run7)(pT
Trig=2~4GeV/c, pTAsso=1~2GeV/c)
mid-central : 20-50%c 2
(dat
a) -
c2(
flow
)
significant
not significant comparedwith systematic errors
strong preference of associate particle emission towards the in-plane direction
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 26
averaged over all trigger angles
cen
tral
(0-2
0%
) m
id-ce
ntra
l(2
0-5
0%
) p
erip
he
ral
(50
-93
%)
the same data in polar plots (R.P. is x axis)--- associate distribution for a given trigger direction ---
R.P.
Trigger angle
in-plane trigger| Trig. - R.P. | < /8
out-of-plane trigger3/8 < | Trig. - R.P. | < /2
PHENIX preliminary
200GeV Au+Au -> h-h(pT
Trig=2~4GeV/c, pTAsso=1~2GeV/c)
base line
R.P.
penetrationsurface
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 27
heavy-flavor (b/c tagged) electronidentified open heavy-flavor mesonmulti-hadron/jet correlations with R.P. / large Trig
higher harmonic event anisotropy
Future Directions in High Energy QCD, 20/Oct/2011, Riken ShinIchi Esumi, Univ. of Tsukuba 28
Summary
Calorimetric detector for jets, electrons and photons at high pT
How about low pT electrons, photons and identified hadrons? What about fluctuation/correlation variables with particle identification using a large acceptance detector…