Towards the glueball spectrum from unquenched lattice QCD

Towards the glueball spectrum from unquenched lattice QCD
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DOI：
10.1007/jhep10(2012)170
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发表时间：
2012-08
期刊：
Journal of High Energy Physics
影响因子：
5.4
通讯作者：
E. Gregory;A. Irving;B. Lucini;C. McNeile;A. Rago;C. Richards;E. Rinaldi
E. Gregory;A. Irving;B. Lucini;C. McNeile;A. Rago;C. Richards;E. Rinaldi
中科院分区：
物理与天体物理2区
文献类型：
--
作者：
E. Gregory;A. Irving;B. Lucini;C. McNeile;A. Rago;C. Richards;E. Rinaldi

文献摘要

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本文用变分方法研究了由ASQ改进的交错费米子的2+ 1味产生的规范位形上的重胶球。变分法包括胶球散射态。测量是使用2150配置在0.092 fm与360兆电子伏的π介子质量。我们报告了10个胶球状态的质量。我们讨论了奇球非猝灭格点QCD计算的前景。
We use a variational technique to study heavy glueballs on gauge configurations generated with 2+ 1 flavours of ASQTAD improved staggered fermions. The variational technique includes glueball scattering states. The measurements were made using 2150 configurations at 0.092 fm with a pion mass of 360 MeV. We report masses for 10 glueball states. We discuss the prospects for unquenched lattice QCD calculations of the oddballs.