Elliptic flow of electrons from heavy-flavor hadron decays in Au + Au collisions at $\sqrt{s_{\rm NN}} = $ 200, 62.4, and 39 GeV - INSPIRE

DataBETA

Elliptic flow of electrons from heavy-flavor hadron decays in Au + Au collisions at $\sqrt{s_{\rm NN}} =$ 200, 62.4, and 39 GeV

STAR

Collaboration

May 24, 2014

12 pages

Published in:

Phys.Rev.C 95 (2017) 3, 034907

Published: Mar 13, 2017

e-Print:

1405.6348 [hep-ex]

DOI:

10.1103/PhysRevC.95.034907

Experiments:

BNL-RHIC-STAR

View in:

reference search69 citations

Citations per year

Abstract: (APS)

We present measurements of elliptic flow (v2) of electrons from the decays of heavy-flavor hadrons (eHF) by the STAR experiment. For Au+Au collisions at sNN=200 GeV we report v2, for transverse momentum (pT) between 0.2 and 7 GeV/c, using three methods: the event plane method (v2{EP}), two-particle correlations (v2{2}), and four-particle correlations (v2{4}). For Au+Au collisions at sNN=62.4 and 39 GeV we report v2{2} for pT<2GeV/c. v2{2} and v2{4} are nonzero at low and intermediate pT at 200 GeV, and v2{2} is consistent with zero at low pT at other energies. The v2{2} at the two lower beam energies is systematically lower than at sNN=200 GeV for pT<1GeV/c. This difference may suggest that charm quarks interact less strongly with the surrounding nuclear matter at those two lower energies compared to sNN=200 GeV.

Note:

Version accepted by PRC

electron: elliptic flow
transverse momentum
correlation: two-particle
STAR
heavy ion: scattering
gold
correlation: (4particle)
energy dependence
angular distribution: asymmetry
heavy quark: semileptonic decay

References(45)

Figures(10)

[1]

Multi-strange baryon elliptic flow in Au + Au collisions at s(NN)**(1/2) = 200-GeV

STAR

Collaboration

•

J. Adams
(
- Birmingham U.
)

et al.

- Phys.Rev.Lett. 95 (2005) 122301
•
e-Print:
- nucl-ex/0504022
•
DOI:
- 10.1103/PhysRevLett.95.122301

[2]

Flow study in relativistic nuclear collisions by Fourier expansion of Azimuthal particle distributions

S. Voloshin
(
- Pittsburgh U.
)
,
Y. Zhang
(
- SUNY, Stony Brook
)

- Z.Phys.C 70 (1996) 665-672
•
e-Print:
- hep-ph/9407282
•
DOI:
- 10.1007/s002880050141

[3]

Charmonium and bottomonium production in heavy-ion collisions

R. Rapp
(
- Texas A-M and
- Texas A-M, Cyclotron Inst.
)
,
D. Blaschke
(
- Dubna, JINR and
- Wroclaw U.
)
,
P. Crochet
(
- Clermont-Ferrand U.
)

- Prog.Part.Nucl.Phys. 65 (2010) 209-266
•
e-Print:
- 0807.2470
•
DOI:
- 10.1016/j.ppnp.2010.07.002

[4]

Heavy quark colorimetry of QCD matter

Yuri L. Dokshitzer
(
- Paris U., VI-VII and
- Orsay, LPT
)
,
D.E. Kharzeev
(
- Paris U., VI-VII and
- Orsay, LPT and
- Brookhaven
)

- Phys.Lett.B 519 (2001) 199-206
•
e-Print:
- hep-ph/0106202
•
DOI:
- 10.1016/S0370-2693(01)01130-3

[5]

Medium induced gluon radiation off massive quarks fills the dead cone

- Phys.Rev.D 69 (2004) 114003
•
e-Print:
- hep-ph/0312106
•
DOI:
- 10.1103/PhysRevD.69.114003

[6]

Influence of bottom quark jet quenching on single electron tomography of Au + Au

Magdalena Djordjevic
(
- Columbia U.
)
,
Miklos Gyulassy
(
- Columbia U.
)
,
Ramona Vogt
(
- LBL, Berkeley and
- UC, Davis
)
,
Simon Wicks
(
- Columbia U.
)

- Phys.Lett.B 632 (2006) 81-86
•
e-Print:
- nucl-th/0507019
•
DOI:
- 10.1016/j.physletb.2005.09.087

[7]

How much do heavy quarks thermalize in a heavy ion collision?

Guy D. Moore
(
- McGill U.
)
,
Derek Teaney
(
- SUNY, Stony Brook
)

- Phys.Rev.C 71 (2005) 064904
•
e-Print:
- hep-ph/0412346
•
DOI:
- 10.1103/PhysRevC.71.064904

[8]

Heavy-quark transport coefficients in a hot viscous quark–gluon plasma medium

Santosh K. Das
(
- Yonsei U. and
- INFN, LNS
)
,
Vinod Chandra
(
- INFN, Florence
)
,
Jan-e Alam
(
- Calcutta, VECC
)

- J.Phys.G 41 (2013) 015102
•
e-Print:
- 1210.3905
•
DOI:
- 10.1088/0954-3899/41/1/015102

[9]

A New method for measuring azimuthal distributions in nucleus-nucleus collisions

Nicolas Borghini
(
- Paris U., VI-VII
)
,
Phuong Mai Dinh
(
- Saclay
)
,
Jean-Yves Ollitrault
(
- Saclay
)

- Phys.Rev.C 63 (2001) 054906
•
e-Print:
- nucl-th/0007063
•
DOI:
- 10.1103/PhysRevC.63.054906

[10]

Methods for analyzing anisotropic flow in relativistic nuclear collisions

Arthur M. Poskanzer
(
- LBL, Berkeley
)
,
S.A. Voloshin
(
- Heidelberg U.
)

- Phys.Rev.C 58 (1998) 1671-1678
•
e-Print:
- nucl-ex/9805001
•
DOI:
- 10.1103/PhysRevC.58.1671

[11]

Azimuth quadrupole component spectra on transverse rapidity y(t) for identified hadrons from Au-Au collisions at s(NN)**(1/2) = 200-GeV

Thomas A. Trainor
(
- CENPA, Seattle
)

- Phys.Rev.C 78 (2008) 064908
•
e-Print:
- 0803.4002
•
DOI:
- 10.1103/PhysRevC.78.064908

[12]

Elliptic flow in the Gaussian model of eccentricity fluctuations

Sergei A. Voloshin
(
- Wayne State U.
)
,
Arthur M. Poskanzer
(
- LBL, Berkeley
)
,
Aihong Tang
(
- Brookhaven
)
,
Gang Wang
(
- UCLA
)

- Phys.Lett.B 659 (2008) 537-541
•
e-Print:
- 0708.0800
•
DOI:
- 10.1016/j.physletb.2007.11.043

[13]

Inclusive charged hadron elliptic flow in Au + Au collisions at $\sqrt{s_{NN}}$ = 7.7 - 39 GeV

STAR

Collaboration

•

L. Adamczyk
(
- AGH-UST, Cracow
)

et al.

- Phys.Rev.C 86 (2012) 054908
•
e-Print:
- 1206.5528
•
DOI:
- 10.1103/PhysRevC.86.054908

[14]

The Star time projection chamber: A Unique tool for studying high multiplicity events at RHIC

et al.

- Nucl.Instrum.Meth.A 499 (2003) 659-678
•
e-Print:
- nucl-ex/0301015
•
DOI:
- 10.1016/S0168-9002(02)01964-2

[15]

The STAR barrel electromagnetic calorimeter

STAR

Collaboration

•

M. Beddo
(
- Argonne
)

et al.

- Nucl.Instrum.Meth.A 499 (2003) 725-739
•
DOI:
- 10.1016/S0168-9002(02)01970-8

[16]

Nucl. Instr. Meth. A 661, Suppl. 1 S110

W. Llope

[17]

High $p_{T}$ non-photonic electron production in $p+p$ collisions at $\sqrt{s} = 200$ GeV

STAR

Collaboration

•

H. Agakishiev
(
- Dubna, JINR
)

et al.

- Phys.Rev.D 83 (2011) 052006
•
e-Print:
- 1102.2611
•
DOI:
- 10.1103/PhysRevD.83.052006

[18]

Systematic Measurements of Identified Particle Spectra in $p p, d^+$ Au and Au+Au Collisions from STAR

STAR

Collaboration

•

B.I. Abelev
(
- Illinois U., Chicago
)

et al.

- Phys.Rev.C 79 (2009) 034909
•
e-Print:
- 0808.2041
•
DOI:
- 10.1103/PhysRevC.79.034909

[19]

Azimuthal anisotropy in Au+Au collisions at s(NN)**(1/2) = 200-GeV

STAR

Collaboration

•

J. Adams
(
- Birmingham U.
)

et al.

- Phys.Rev.C 72 (2005) 014904
•
e-Print:
- nucl-ex/0409033
•
DOI:
- 10.1103/PhysRevC.72.014904

[20]

Elliptic flow of identified hadrons in Au+Au collisions at $\sqrt{s_{NN}}=$ 7.7-62.4 GeV

STAR

Collaboration

•

L. Adamczyk
(
- AGH-UST, Cracow
)

et al.

- Phys.Rev.C 88 (2013) 014902
•
e-Print:
- 1301.2348
•
DOI:
- 10.1103/PhysRevC.88.014902

[21]

Observation of an Energy-Dependent Difference in Elliptic Flow between Particles and Antiparticles in Relativistic Heavy Ion Collisions

STAR

Collaboration

•

L. Adamczyk

et al.

- Phys.Rev.Lett. 110 (2013) 14, 142301
•
e-Print:
- 1301.2347
•
DOI:
- 10.1103/PhysRevLett.110.142301

[22]

Flow analysis with cumulants: Direct calculations

Ante Bilandzic
(
- NIKHEF, Amsterdam and
- Utrecht U.
)
,
Raimond Snellings
(
- Utrecht U.
)
,
Sergei Voloshin
(
- Wayne State U.
)

- Phys.Rev.C 83 (2011) 044913
•
e-Print:
- 1010.0233
•
DOI:
- 10.1103/PhysRevC.83.044913

[23]

Enhanced production of direct photons in Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV and implications for the initial temperature

PHENIX

Collaboration

•

A. Adare
(
- Colorado U.
)

et al.

- Phys.Rev.Lett. 104 (2010) 132301
•
e-Print:
- 0804.4168
•
DOI:
- 10.1103/PhysRevLett.104.132301

[24]

Measurement of Direct Photons in Au+Au Collisions at $\sqrt{s_{NN}} = 200$ GeV

PHENIX

Collaboration

•

S. Afanasiev
(
- Dubna, JINR
)

et al.

- Phys.Rev.Lett. 109 (2012) 152302
•
e-Print:
- 1205.5759
•
DOI:
- 10.1103/PhysRevLett.109.152302

[25]

Observation of direct-photon collective flow in $\sqrt{s_{NN}}=200$ GeV Au+Au collisions

PHENIX

Collaboration

•

A. Adare
(
- Colorado U.
)

et al.

- Phys.Rev.Lett. 109 (2012) 122302
•
e-Print:
- 1105.4126
•
DOI:
- 10.1103/PhysRevLett.109.122302

1-25 of 45
1
2
25 / page