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Title: Modeling of heavy-flavor pair correlations in Au-Au collisions at 200 A GeV at the BNL Relativistic Heavy Ion Collider

Abstract

In this paper, we study the nuclear modification of angular and momentum correlations between heavy quark pairs in ultrarelativistic heavy-ion collisions. The evolution of heavy quarks inside the thermalized medium is described via a modified Langevin approach that incorporates both elastic and inelastic interactions with the medium constituents. The spacetime evolution of the fireball is obtained from a (2+1)-dimensional viscous hydrodynamics simulation. The hadronization of heavy quarks is performed by utilizing a hybrid model of fragmentation and coalescence. Our results show that the nuclear modification of the transverse momentum imbalance of D $$\overline{D}$$ pairs reflects the total energy loss experienced by the heavy quarks and may help us probe specific regions of the medium. The angular correlation of heavy-flavor pairs, especially in the low- to intermediate-transverse-momentum regime, is sensitive to the detailed energy-loss mechanism of heavy quarks inside the quark-gluon plasma.

Authors:
 [1];  [2];  [3]
  1. Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Nuclear Science Division; Duke Univ., Durham, NC (United States). Dept. of Physics
  2. China Central Normal Univ., Wuhan (China). Inst. of Particle Physics and Key Lab. of Quark and Lepton Physics (MOE)
  3. Duke Univ., Durham, NC (United States). Dept. of Physics
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), Nuclear Physics (NP); Open Science Grid (OSG); JET Collaboration; National Natural Science Foundation of China (NSFC)
OSTI Identifier:
1429347
Alternate Identifier(s):
OSTI ID: 1226672
Grant/Contract Number:  
AC02-05CH11231; FG02-05ER41367; 11375072
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review C, Nuclear Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 5; Related Information: © 2015 American Physical Society.; Journal ID: ISSN 0556-2813
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats

Cao, Shanshan, Qin, Guang-You, and Bass, Steffen A. Modeling of heavy-flavor pair correlations in Au-Au collisions at 200A GeV at the BNL Relativistic Heavy Ion Collider. United States: N. p., 2015. Web. doi:10.1103/PhysRevC.92.054909.
Cao, Shanshan, Qin, Guang-You, & Bass, Steffen A. Modeling of heavy-flavor pair correlations in Au-Au collisions at 200A GeV at the BNL Relativistic Heavy Ion Collider. United States. https://doi.org/10.1103/PhysRevC.92.054909
Cao, Shanshan, Qin, Guang-You, and Bass, Steffen A. 2015. "Modeling of heavy-flavor pair correlations in Au-Au collisions at 200A GeV at the BNL Relativistic Heavy Ion Collider". United States. https://doi.org/10.1103/PhysRevC.92.054909. https://www.osti.gov/servlets/purl/1429347.
@article{osti_1429347,
title = {Modeling of heavy-flavor pair correlations in Au-Au collisions at 200A GeV at the BNL Relativistic Heavy Ion Collider},
author = {Cao, Shanshan and Qin, Guang-You and Bass, Steffen A.},
abstractNote = {In this paper, we study the nuclear modification of angular and momentum correlations between heavy quark pairs in ultrarelativistic heavy-ion collisions. The evolution of heavy quarks inside the thermalized medium is described via a modified Langevin approach that incorporates both elastic and inelastic interactions with the medium constituents. The spacetime evolution of the fireball is obtained from a (2+1)-dimensional viscous hydrodynamics simulation. The hadronization of heavy quarks is performed by utilizing a hybrid model of fragmentation and coalescence. Our results show that the nuclear modification of the transverse momentum imbalance of D$\overline{D}$ pairs reflects the total energy loss experienced by the heavy quarks and may help us probe specific regions of the medium. The angular correlation of heavy-flavor pairs, especially in the low- to intermediate-transverse-momentum regime, is sensitive to the detailed energy-loss mechanism of heavy quarks inside the quark-gluon plasma.},
doi = {10.1103/PhysRevC.92.054909},
url = {https://www.osti.gov/biblio/1429347}, journal = {Physical Review C, Nuclear Physics},
issn = {0556-2813},
number = 5,
volume = 92,
place = {United States},
year = {Fri Nov 20 00:00:00 EST 2015},
month = {Fri Nov 20 00:00:00 EST 2015}
}

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Cited by: 28 works
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Works referencing / citing this record:

Nuclear modification of leading hadrons and jets within a virtuality ordered parton shower
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Single electrons from heavy-flavor mesons in relativistic heavy-ion collisions
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Heavy-flavor production and medium properties in high-energy nuclear collisions --What next?
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Heavy-flavor production and medium properties in high-energy nuclear collisions - What next?
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Single electrons from heavy-flavor mesons in relativistic heavy-ion collisions
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