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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
Conference NameWorkshop on Achievements and New Directions in Subatomic Physics
Source PublicationACHIEVEMENTS AND NEW DIRECTIONS IN SUBATOMIC PHYSICS: FESTSCHRIFT IN HONOUR OF TONY THOMAS 60TH BIRTHDAY
Volume1261
Pages219
Conference DateFEB 15-19, 2010
Conference PlaceUniv Adelaide, Adelaide, AUSTRALIA
Author of SourceUniv Adelaide
Publication PlaceMELVILLE
ISSN0094-243X
PublisherAMER INST PHYSICS
AbstractUsing 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
KeywordNUMBER SUSCEPTIBILITY ANISOTROPIC LATTICES PHASE-TRANSITION QUARK PLASMA
DOI10.1063/1.3479348
URL查看原文
Indexed ByCPCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23640
CollectionSCI会议论文
Affiliation1.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
Recommended Citation
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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