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Abstract:
The spectral function of rho meson in hot and dense pion medium is studied within an effective model which describes the ρ-π coupling. The results from numerical calculation show that the spectral function becomes wider and the position of the peak moves towards the high invariant mass region when the temperature and the pion chemical potential increase.
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References
[1]
|
. Agakichiev G, Baur R, Breskin A et al. Phys. Rev. Lett,1995, 75(7): 1272—12752. Wurm P. Nucl. Phys., 1995, A590: 103c—116c3. Adams J, Adler C, Aggarwal M M et al. Phys. Rev. Lett.,2004, 92(9): 0923014. Rapp R, Wambach J. Adv. Nucl. Phys., 2000, 25: 15. Brown G E, Rho M. Phys. Rev. Lett., 1991, 66(21): 2720—27236. CHEN Ji-Sheng, LI Jia-Rong, ZHUANG Peng-Fei. JHEP,2002, 11: 0147. Ayala A, Magnin J. Phys. Rev., 2003, C68(1): 0149028. Trnka D, Anton G, Bacelar J C S et al. nucl-ex/05040109. Gale C, Kapusta J I. Nucl. Phys., 1991, B357: 6510. Bebie H, Gerber P, Goity J L et al. Nucl. Phys., 1992,B378: 9511. Braun-Munzinger P, Stachel J, Wessels J et al. Phys. Lett.,1995, B344: 4312. LI Jia-Rong. Introduction to Quark Matter Theory. Hu-nan: Hunan Education Publishing House, 1989. 11—21(in Chinese)(李家荣.夸克物质理论导论.湖南:湖南教育出版社,1989.11-21)13. Kapusta J I. Finite Temperature Field Theory. Cambridge:Cambridge University Press, 1988. 39—5314. Bellac M Le. Thermal Field Theory. Cambridge: Cam-bridge University Press, 1996. 29—47
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-
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GUO Yun-Jun
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2007, 31(11): 1050-1055. |
[2] |
LIU Chang-Long
, LU Yi-Ying
, YIN LI
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2005, 29(11): 1107-1111. |
[3] |
Guo Hua
. In-medium QMC Model Parameters and Quark Condensation in Nuclear Matter. Chinese Physics C,
1999, 23(5): 459-468. |
[4] |
Yang Jianjun
, Ma Boqiang
, Li Guanglie
. Non-perturbative Quark Propagator and the Study of the Non-trivial Q2 Dependence in the Nucleon Structure Functions. Chinese Physics C,
1997, 21(2): 146-156. |
[5] |
Yu Hong
, Shen Qixing
, Zhang Lin
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1994, 18(7): 583-590. |
[6] |
BES Collaboration
. Experimental Study of Resonance f2(1270) in the J/ψ Hadronic Decay. Chinese Physics C,
1993, 17(2): 97-106. |
[7] |
Sa Ben-hao
, Zhang Xi-zhen
, Li Zhu-xia
, Shi Yi-jin
. A PRIMARY RESEARCH OF THE PHONON RENORMALIZATION OF NUCLEAR FIELD THEORY. Chinese Physics C,
1980, 4(3): 398-400. |
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