S wave bottomonium states moving in a quark-gluon plasma from lattice NRQCD

被引：33

作者：

Aarts, G. ^{[1
]}

Allton, C. ^{[1
]}

Kim, S. ^{[2
]}

Lombardo, M. P. ^{[3
]}

Oktay, M. B. ^{[4
]}

Ryan, S. M. ^{[5
]}

Sinclair, D. K. ^{[6
]}

Skullerud, J. -I. ^{[7
]}

机构：

[1] Swansea Univ, Dept Phys, Swansea, W Glam, Wales

[2] Sejong Univ, Dept Phys, Seoul 143747, South Korea

[3] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, RM, Italy

[4] Univ Utah, Dept Phys, Salt Lake City, UT 84112 USA

[5] Trinity Coll Dublin, Sch Math, Dublin 2, Ireland

[6] Argonne Natl Lab, HEP Div, Argonne, IL 60439 USA

[7] Natl Univ Ireland Maynooth, Dept Math Phys, Maynooth, Kildare, Ireland

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2013年 / 03期

基金：

爱尔兰科学基金会; 新加坡国家研究基金会;

关键词：

Quark-Gluon Plasma; Lattice QCD; Thermal Field Theory; MAXIMUM-ENTROPY ANALYSIS; SPECTRAL FUNCTIONS; QCD; SPECTROSCOPY; CORRELATORS;

D O I：

10.1007/JHEP03(2013)084

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We extend our study of bottomonium spectral functions in the quark-gluon plasma to nonzero momentum. We use lattice QCD simulations with two flavours of light quark on highly anisotropic lattices and treat the bottom quark with nonrelativistic QCD (NRQCD). We focus on S wave (gamma and eta(b)) channels and consider nonrelativistic velocities, v/c less than or similar to 0.2. A comparison with predictions from effective field theory is made.

引用

页数：18

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