Flow	  and	  Jet-­‐correlaJon	  	  	  	  	  	  	  	  	  	  	  	  	  ShinIchi	  Esumi	  	  Univ.	  of	  Tsukuba	  Flow	  originated	  from	  iniJal	  geometry	  Expansion	  and	  freeze-­‐out	  geometry	  Jet	  and	  mulJ-­‐parJcle	  correlaJon	  Jet-­‐correlaJon	  with	  respect	  to	  geometry	  Inﬂuence	  on	  bulk	  property	  13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

1	Higher harmonic order collective expansion of QGP

WMAP	  PHENIX	  Preliminary,	  QM12	  13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

QM12:	  S.	  Mizuno	  ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

2	QM12:	  T.	  Niida	  Source	  geometry	  (size,	  shape	  and	  Jme	  duraJon)	  at	  the	  end	  of	  freeze-­‐out	  via	  two	  parJcle	  quantum	  interferometry	  (HBT	  measurement)	  pT1	  side	  view	  size	  qT-­‐side	  :	  RT-­‐side	  pT2	  RT-­‐side,	  	  RT-­‐out	  vs	  (φ-Φ2),	  (φ-Φ3)	  RT-­‐sideoscill.	  <	  RT-­‐outoscill.	  	  for	  n=2,3	  (central)	  together	  with	  vn(pT)PID	  ﬁ^ng	  with	  Blast	  Wave	  depth	  +	  Jme	  duraJon	  qT-­‐out	  :	  RT-­‐out	  	  PHENIX	  Preliminary,	  QM12	  13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

3		  PHENIX,	  QM12	  extracted	  by	  BW	  ﬁ^ng	  	  with	  spectra	  +	  v2,3,4	  of	  π,K,p	  extracted	  from	  RTside	  by	  ππ	  HBT	  13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

4	

Energy loss (jet quenching)
Phys.	  Rev.	  Led.	  105	  (2010)	  252303	  jet	  p	  CMS	p	  Au	  Au	  Phys.	  Rev.	  Led.	  91	  (2003)	  072304	  	  Away-­‐side	  suppression	
13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	di-­‐jet	  energy	  asymmetry	
ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

5	High	  mult.	  p+A	  	Ridge structure or vn	

A+A	A	  small	  but	  high-­‐temperature/density	  system	  might	  be	  created	  in	  high	  mulJplicity	  pp	  and	  pA	  collisions…	  -­‐-­‐-­‐	  centrality	  and	  pT	  dependences	  -­‐-­‐-­‐	  	  	  	  	  	  Are	  they	  collecJve/expanding?	  
Min.	  bias	  p+p	High	  mult.	  p+p	

JHEP	  09	  (2010)	  091,	  	  	  Eur.	  Phys.	  J.	  C	  72	  (2012)	  2012	  	  Phys.	  Led.	  B	  718	  (2013)	  795-­‐814	
13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

CMS	
ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

6	Angle (Length) dependenceof di-hadron correlation

Phys. Rev. C 84 (2011) 024904	

-­‐	  high	  pT	  single/jet	  suppression	  	  -­‐	  high	  pT	  di-­‐hadron/di-­‐jet	  suppression	  -­‐	  High	  pT	  v2	  Phys. Rev. Lett. 93 (2004) 252301	

13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

7	Path length (angle w.r.t. Φn) dependence of energy-loss would be adominant source of high pT or reconstructed jet vn.
Depending on the shape (amount and direction: blue part), the lostenergy re-distribution should then influence the low to mid pT vn andpossibly also affect the bulk expansion in the later stage.

Lost	  energy	  from	  	  the	  jet	  quenching,	  feed-­‐back	  into	  the	  bulk	

Bulk	  expansion	
iniJal	

13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	ﬁnal	

Interplay	  between	  	  hard	  and	  sol	  physics	  ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

8	Initial (p-p like) jet shape is given by the jet axis. (blue shape)(1) How much the jet-shape is modified? (red shape)(2) How much additional things like ridge and mach-cone are generated
including the bulk modification? (green shape)Φ2	  dependence	Φ3	  dependence	η	  dependence	Jet	  shapes	  can	  be	  asymmetric	  with	  respect	  to	  the	  iniJal	  jet	  axis	  	  depending	  on	  the	  axis	  angle	  relaJve	  to	  Φ2,	  Φ3	  …	  and	  η.	  	

13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

9	

QM09:	  J.	  Konzer	  Left/right asymmetry of Ridge and Mach-cone	Y(|∆η|>0.7) = Ridge + away-side two-Gaussian

R.P.	

Jet = Y(|∆η|<0.7) – Acceptance*Y(|∆η|>0.7)

φTrig	

φTrig~	  0	  |∆η|>0.7	  STAR Preliminary
Au+Au 20-60%
3<pTTrig<4 GeV/c
1<pTAssoc<1.5 GeV/cφTrig~	  90	  Ridge	  contributes	  v2	  and	  is	  asymmetric	  in	  Δφ	  Ridge	  Jet	  v2	  subtracJon	
13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

∆φ = φAsso - φTrig
ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

10	

QM09:	  J.	  Konzer	  Left/right asymmetry of Ridge and Mach-cone	Y(|∆η|>0.7) = Ridge + away-side two-Gaussian

R.P.	

Jet = Y(|∆η|<0.7) – Acceptance*Y(|∆η|>0.7)

φTrig	

φTrig~	  0	  |∆η|>0.7	  STAR Preliminary
Au+Au 20-60%
3<pTTrig<4 GeV/c
1<pTAssoc<1.5 GeV/cφTrig~	  90	  Ridge	  contributes	  v2	  and	  is	  asymmetric	  in	  Δφ	  Ridge	  Jet	  v2	  subtracJon	
13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

∆φ = φAsso - φTrig
ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

11	Hard-soft coupling via geometry and expansion 	

QM12:	  T.	  Todoroki	  Φ2	  1/NTrig	  dNAsso	  /	  dΔφ	-­‐	  strong	  Φ2	  dependence	  and	  lel/right	  asymmetry	  (coupled	  with	  energy	  loss	  and	  ﬂow)	  -­‐	  broader	  out-­‐of-­‐plane	  correlaJon	  than	  in-­‐plane	  correlaJon	  (re-­‐distribuJon	  of	  lost	  energy)	  PHENIX	  Preliminary,	  QM12	  mid-­‐central	  40-­‐50%	  Au+Au	  200GeV,	  hadron-­‐hadron	  pT	  :	  (2~4)Trig	  x	  (1~2)Asso	  (GeV/c)	  vn	  subtracJon,	  no	  Δη	  cut	  	13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

0	2	 π	 4	0	2	 π	 4	Δφ	  =	  φAsso	  –	  φTrig	
ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

12		  PHENIX,	  QM12	  mid-­‐central	  collisions	  13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	-­‐	  driving	  force	  of	  v2	  (enhances	  v2)	  -­‐	  almost	  no	  Φ3	  dependence	  (poor	  Φ3	  resoluJon)	  ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

13		  PHENIX,	  QM12	  central	  collisions	  13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	-­‐	  stopping	  force	  of	  v2	  (suppresses	  v2)	  -­‐	  some	  weak	  Φ3	  dependence	  ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

14	

Trigger η dependenceof Δη distribution

AMPT	  Peripheral	  bimp	  =	  10	  -­‐	  fm	Forward-­‐backward	  asymmetry	  is	  visible	  at	  least	  in	  AMPT.	  
Near	  side	  Δη	  peak	  is	  backward	  shiled	  w.r.t.	  
trigger	  η direcJon.	

1/NTrig	  dNAsso	  /	  dΔη	

(associate yield per trigger
with AMPT simulation)	

AMPT	  mid-­‐central	  	  bimp	  =	  4	  -­‐	  10	  fm	|Δφ| <	  π/4 near side|Δφ| >	  π/4 away side

ηTrig	  ~	  -­‐1	beam	

-­‐4	  	  	  	  	  	  -­‐2	  	  	  	  	  	  	  	  0	  	  	  	  	  	  	  	  2	  	  	  	  	  	  	  	  4	 -­‐4	  	  	  	  	  	  -­‐2	  	  	  	  	  	  	  	  0	  	  	  	  	  	  	  	  2	  	  	  	  	  	  	  	  4	Δη	  =	  ηAsso	  -­‐	  ηTrig	
13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

15	

Trigger η dependenceof Δη distribution-2	

ηTrig	

2	bimp	  =	  0	  -­‐	  4	  fm	(associate yield per trigger
with AMPT simulation)	

ηTrig	
|Δφ| <	  π/4 near side|Δφ| >	  π/4 away sidebimp	  =	  4	  -­‐	  10	  fm	beam	

look at the asymmetry inΔη	  =	  ηAsso	  –	  ηTrig	  (associate η
distribution with respect totrigger η) in order to see thehard-soft coupling withlongitudinal density profile
and/or expansion	

bimp	  =	  10	  -­‐	  fm	-­‐4	  -­‐2	  	  0	  	  2	  	  4	13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	Δη	  =	  ηAsso	  -­‐	  ηTrig	

-­‐4	  -­‐2	  	  0	  	  2	  	  4	ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

16	Use	  photons,	  Jets,	  single	  hadrons	  	  as	  trigger	  in	  order	  to	  look	  at	  	  	  correlated	  associaJon	  	  emission	

MulJ-­‐parJcle	  correlaJon	  like	  2+1	  parJcle	  	  correlaJon	  analysis	  (Trig1,	  Trig2,	  Asso)	  can	  be	  	  used	  as	  largely	  modiﬁed	  jet	  and	  di-­‐jet	  signal.	  	  Trig1	

Trig1	

Asso	

Asso	
Trig2	
Trig1	

Trig2	
Trig2	

Asso	

Use	  “Trig2	  relaJve	  to	  Trig1”	  as	  jet	  trigger	  condiJon,	  	  and	  look	  at	  distribuJon	  :	  	  “Associate	  relaJve	  to	  Trig1”	  without	  jet-­‐reconstrucJon	  bias	  To	  be	  used	  for	  Φn	  and	  ηTrig	  dependent	  analysis	  	  	13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

17	Summary	
Flow	  originated	  from	  iniJal	  geometry	  Expansion	  and	  freeze-­‐out	  geometry	  Jet	  and	  mulJ-­‐parJcle	  correlaJon	  Jet-­‐correlaJon	  with	  respect	  to	  geometry	  Inﬂuence	  on	  bulk	  property	  13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

18	Y(|∆η|>0.7) = back-to-back 2 ridges + away-side two-(left/right) Gaussian

13/Aug/2013,	  Fluc.	  &	  Corr.	  Workshop,	  Chengdu,	  China	

ShinIchi	  Esumi,	  Univ.	  of	  Tsukuba	

19