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Quarkonium states in an anisotropic QCD plasma

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成果类型:
期刊论文
作者:
Dumitru, Adrian*;Guo, Yun;Mocsy, Agnes;Strickland, Michael
通讯作者:
Dumitru, Adrian
作者机构:
[Dumitru, Adrian] CUNY, Baruch Coll, Dept Nat Sci, New York, NY 10010 USA.
[Dumitru, Adrian] Brookhaven Natl Lab, RIKEN, BNL, Res Ctr, Upton, NY 11973 USA.
[Dumitru, Adrian] CUNY, Grad Sch, New York, NY 10036 USA.
[Guo, Yun] Goethe Univ Frankfurt, Helmholtz Res Sch, D-60438 Frankfurt, Germany.
[Guo, Yun] Huazhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.
通讯机构:
[Dumitru, Adrian] C
CUNY, Baruch Coll, Dept Nat Sci, 17 Lexington Ave, New York, NY 10010 USA.
语种:
英文
期刊:
PHYSICAL REVIEW D
ISSN:
2470-0010
年:
2009
卷:
79
期:
5
页码:
054019
基金类别:
Helmholtz foundation; Otto Stern School at Frankfurt university
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
We consider quarkonium in a hot quantum chromodynamics (QCD) plasma which, due to expansion and nonzero viscosity, exhibits a local anisotropy in momentum space. At short distances the heavy-quark potential is known at tree level from the hard-thermal loop resummed gluon propagator in anisotropic perturbative QCD. The potential at long distances is modeled as a QCD string which is screened at the same scale as the Coulomb field. At asymptotic separation the potential energy is nonzero and inversely proportional to the temperature. We obtain num...

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