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Signal of the pion string at high-energy collisions
黄涛(理); Li YD(李云德); Mao H(毛虎); Zhang XM(张新民); Huang, T; Li, YD; Mao, H; Nagasawa, M; Zhang, XM
Source PublicationPHYSICAL REVIEW C
Corresponding AuthorChinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; E China Normal Univ, Dept Phys, Shanghai 200062, Peoples R China ; Kanagawa Univ, Fac Sci, Dept Informat Sci, Kanagawa 2591293, Japan ; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
AbstractWe study the possible signals of a pion string associated with the QCD chiral phase transition in LHC Pb-Pb collision at energy roots=5.5 TeV. In terms of the Kibble-Zurek mechanism we discuss the production and evolution of the pion string. The pion string is not topologically stable; it decays into neutral pions and sigma mesons that in turn decay into pions. Our results show that all the neutral pions from the pion string are distributed at the low momentum and the ratio of neutral to charged pions from the pion string violates the isospin symmetry. For the momentum spectra of the total pions, the signal from the sigma particle decay from the pion string will be affected by the large decay width of the sigma significantly.
Subject AreaPhysics
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear
WOS IDWOS:000226701900039
ADS Bibcode2005PhRvC..71a4902H
ADS URLhttps://ui.adsabs.harvard.edu/abs/2005PhRvC..71a4902H
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2005PhRvC..71a4902H/citations
Citation statistics
Cited Times:10 [INSPIRE]
Cited Times:9 [ADS]
Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Huang T,Li YD,Mao H,et al. Signal of the pion string at high-energy collisions[J]. PHYSICAL REVIEW C,2005,71(1):14902.
APA 黄涛.,李云德.,毛虎.,张新民.,Huang, T.,...&Zhang, XM.(2005).Signal of the pion string at high-energy collisions.PHYSICAL REVIEW C,71(1),14902.
MLA 黄涛,et al."Signal of the pion string at high-energy collisions".PHYSICAL REVIEW C 71.1(2005):14902.
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