The Statistical Effect of the Internal Lines Within the Reaction Process in QGP

Gao Song; Li Jiarong

Chinese Physics C> 1994, Vol. 18> Issue(3) : 229-234

The Statistical Effect of the Internal Lines Within the Reaction Process in QGP

Gao Song ^, ,
Li Jiarong

Insitute of Particle Physics, Hua-Zhon, Normal University, Wuhan 430070

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Abstract：
In the framework of thermal field dynamics, the reaction process in QGP is investigated. It is found that the statistical effect of the internal lines cannot be neglected. The contribution of thermal vacuum polarization to the dilepton production rate is also calculated.

References

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K.Kajantie and H.I.Miettinen;Z.Phys.,C9（1981）341;L.D.McLerran and T.Toimela,Phys.Rev.,D31（1985）545;K.Kajantie et al,ibid,34（1986）2746;M.Asakawa and T.Matsui,ibid,43（1991）2871;C.Gale and J.Kapusta,Phys.Rev.,C35（1987）2107.[2]H.Umezawa,H.Matsumoto and M.Tachiki,Thermo Field Dynamics and Condensed States,Amsterdam,North Holland,1982;I.Ojima,Ann.Phys.,137（1981）1;K.Soutome:Z.Phys.,C4O（1988）479;Gao Song and Li Jiarong,Mod.Phys.Lett,A6（1991）2475.[3]T.Altherr,P.Aurenche and T.Beclherrawy;Nucl.Phys.,B315（1989）436.[4]R-Kobes and G.Semenoff,Nucl.Phys.,B260（1985）714;B272（1986）329.

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Gao Song and Li Jiarong. The Statistical Effect of the Internal Lines Within the Reaction Process in QGP[J]. Chinese Physics C, 1994, 18(3): 229-234.

Gao Song and Li Jiarong. The Statistical Effect of the Internal Lines Within the Reaction Process in QGP[J]. Chinese Physics C, 1994, 18(3): 229-234. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

The Statistical Effect of the Internal Lines Within the Reaction Process in QGP

Gao Song ^,
Li Jiarong

Corresponding author: Gao Song,

Insitute of Particle Physics, Hua-Zhon, Normal University, Wuhan 430070

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1994-03-05

Abstract: In the framework of thermal field dynamics, the reaction process in QGP is investigated. It is found that the statistical effect of the internal lines cannot be neglected. The contribution of thermal vacuum polarization to the dilepton production rate is also calculated.