Rapidity Dependence of Dilepton Production in Baryon-Tich Quark-Gluon Matter

He Zejun; Zhang Jiaju; Liu Bo; Qiu Xijun

Chinese Physics C> 1999, Vol. 23> Issue(4) : 375-379

Rapidity Dependence of Dilepton Production in Baryon-Tich Quark-Gluon Matter

Shanghai Institute of Nuclear Research,the Chinese Academy of Sciences, ganghai 2018002 Computing Center,the Chinese Academy of Sciences.Shanghai Branch, Shanghai 2000313 Institute of High Energy Physics, the Chinese Academy of Sciences, Beiging 100039

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Abstract：
Considered the Drell-Yan background,the rapidity dependenec of the dilepton production in the baryon-rich quark-gluon matter from ¹⁹⁷Au+¹⁹⁷Au cental collision has been studied based on a relativistic hydrodnamic model. It is found that the dilepton yield is strongly suppressed with increasing rapidity.Such a characteristic signaling the formation of the baryon-rich quark-gluon matter can be tested in future experimentS at CERN and Brookhaven.

References

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Kajantie K, Kapusta J,McLerran L et al. Phys. Rev,1986,D34:2746 2 He Zejun, Zhang Jiaju et al.Nucl Phys,1991,A532:7433 Dumitru A,Rischke D H et al. Phys.Rev. Lett. 1993, 70:2860 4 Mohring H J, Ranft J. Z. Phys, 1991, C52:643 5 Ko C M, Xia L H Phys. Rev. Lett, 1989, 62:1595 6 Kampfer B, Pavlenko O P et al. Z. Phys, 1995, A353:71 7 Cleymans J,Fingberg J et al.Phys Rev.,1987,C35:1538 Owens J F Phys. Lett, 1991., B266: 1269 Baym G, Friman B L et al. Nucl. Phys, 1983, A407:54110 He Zajun, Zhang Jiaju et al. Nucl Phys.1997, A614:552

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He Zejun, Zhang Jiaju, Liu Bo and Qiu Xijun. Rapidity Dependence of Dilepton Production in Baryon-Tich Quark-Gluon Matter[J]. Chinese Physics C, 1999, 23(4): 375-379.

He Zejun, Zhang Jiaju, Liu Bo and Qiu Xijun. Rapidity Dependence of Dilepton Production in Baryon-Tich Quark-Gluon Matter[J]. Chinese Physics C, 1999, 23(4): 375-379. shu

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Received: 1998-03-23
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

Rapidity Dependence of Dilepton Production in Baryon-Tich Quark-Gluon Matter

Shanghai Institute of Nuclear Research,the Chinese Academy of Sciences, ganghai 2018002 Computing Center,the Chinese Academy of Sciences.Shanghai Branch, Shanghai 2000313 Institute of High Energy Physics, the Chinese Academy of Sciences, Beiging 100039

Received Date: 1998-03-23
Accepted Date: 1900-01-01
Available Online: 1999-04-05

Abstract: Considered the Drell-Yan background,the rapidity dependenec of the dilepton production in the baryon-rich quark-gluon matter from ¹⁹⁷Au+¹⁹⁷Au cental collision has been studied based on a relativistic hydrodnamic model. It is found that the dilepton yield is strongly suppressed with increasing rapidity.Such a characteristic signaling the formation of the baryon-rich quark-gluon matter can be tested in future experimentS at CERN and Brookhaven.