Dilepton Production in Expanding Hot Baryon-Rich Quark-Gluon Matter

He Zejun; Zhang Jiaju; Wang Zixing; Qiu Xijun

Chinese Physics C> 1998, Vol. 22> Issue(7) : 626-630

Dilepton Production in Expanding Hot Baryon-Rich Quark-Gluon Matter

Institute of Nuclear Research,The Chinese Academy of Sciences,Shanghai 2018002 Computing Center of The Chinese Academing of Sciences,Shanghai branch,Shanghai200031

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Abstract：
From the full stopping scenuio, the dilepton producdon in the baryon-rich quarktgluon fircball is studicd based on a reladvisdc hydrodynamic model. It is found that with increasing incident cnergy a characteristic plateau indicadng the formation of the baryon-rich quarktgluon matter appears in the total yield. This obvious characteristic can be tested in future experiments at CERN and Brookhaven.

References

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Chin S A. Phys. Lett, 1982, B119(1):51-56[2] Kapusta J, Mekjian A. Phys. Rev., 1986, D33(5): 1304-1313[3] He Zejun, Zhang Jiaju et al. Nucl. Phys., 1991, A532(4):743-758[4] He Zejun, Zhang Jiaju et al. J. Phys. G: Nucl. Part Phys., 1990, 16(9):L179-L185[5] Dumitru A, Rischke H et al. Phys. Rev. Lett., 1993, 70(19):2860-2863[6] Gustafson G. Proceedings of the workshop on relativistic heavy-ion physics at present and future accelerators. Budapest: 1992[7] Mohring H. Ranft J. Z. Phys., 1991,C52(4):643-653[8] KO C M, Xia L H. Phys. Rev. Lett, 1989, 62(14):1595-1598[9] He Zejun, Zhang Jiaju. J. Phys. G: Nucl. Part. Phys., 1995,21(4):L49-L55[10] He Zejun. Chin. Phys. Lett, 1996,13(4):265-268[11] He Zejun, Zhang Jiaju, Qlu Xijun, Chen Junfeng. Nucl. Phys., 1997,A614(4):552-564

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He Zejun, Zhang Jiaju, Wang Zixing and Qiu Xijun. Dilepton Production in Expanding Hot Baryon-Rich Quark-Gluon Matter[J]. Chinese Physics C, 1998, 22(7): 626-630.

He Zejun, Zhang Jiaju, Wang Zixing and Qiu Xijun. Dilepton Production in Expanding Hot Baryon-Rich Quark-Gluon Matter[J]. Chinese Physics C, 1998, 22(7): 626-630. shu

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

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