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Glueballs at finite temperature in quenched lattice QCD | |
Zhang, JB; Chen, Y; Li, G; Liu, C; Liu, YB; Ma, JP; Meng, XF | |
2010 | |
会议名称 | Workshop on Achievements and New Directions in Subatomic Physics |
会议录名称 | ACHIEVEMENTS AND NEW DIRECTIONS IN SUBATOMIC PHYSICS: FESTSCHRIFT IN HONOUR OF TONY THOMAS 60TH BIRTHDAY |
卷号 | 1261 |
页码 | 219 |
会议日期 | FEB 15-19, 2010 |
会议地点 | Univ Adelaide, Adelaide, AUSTRALIA |
会议录编者/会议主办者 | Univ Adelaide |
出版地 | MELVILLE |
ISSN | 0094-243X |
出版者 | AMER INST PHYSICS |
摘要 | Using anisotropic lattices glueballs at finite temperature are investigated in a large ternperature range from 0 3T(c) to 1 9T(c) in quenched lattice QCD where T-c is the critical temperature Optimized glueball operators are used in the calculations It is found that in all 20 symmetry channels the pole masses M-G of glueballs remain almost constants when the temperature approaches T-c from below and start to reduce gradually with the temperature going above T-c The glueball correlators in 0(++) 0(-+) and 2(++) channels are also analyzed based on the Breit-Wigner ansatz by assuming a thermal width Gamma to the pole mass omega(0) We found that while omega(0) s are insensitive to T in the whole temperature range, the Gamma s exhibit distinct behavior below and above T-c They are only a few percent of omega(0) when T < T-c but grow rapidly when T > T-c and reach values of roughly Gamma similar to omega(0)/2 at Gamma approximate to 1 9T(c), I 9Tc |
关键词 | NUMBER SUSCEPTIBILITY ANISOTROPIC LATTICES PHASE-TRANSITION QUARK PLASMA |
DOI | 10.1063/1.3479348 |
URL | 查看原文 |
收录类别 | CPCI |
语种 | 英语 |
WOS研究方向 | Physics |
WOS类目 | Physics, Nuclear |
引用统计 | |
文献类型 | 会议论文 |
条目标识符 | http://ir.itp.ac.cn/handle/311006/23640 |
专题 | SCI会议论文 |
作者单位 | 1.Zhejiang Univ, ZIMP, Hangzhou 310027, Peoples R China 2.[Chen, Y. 3.Li, G.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China 4.[Liu, C.] Peking Univ, Sch Phys, Beijing 100871, Peoples R China 5.Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China 6.Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China 7.Natl Supercomp Ctr, Tianjin 300457, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, JB,Chen, Y,Li, G,et al. Glueballs at finite temperature in quenched lattice QCD[C]//Univ Adelaide. MELVILLE:AMER INST PHYSICS,2010:219. |
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