PRODUCTION OF LARGE-TRANSVERSE-MOMENTUM PHOTONS AND THE QCD PHASE TRANSITION IN ULTRARELATIVISTIC NUCLEAR COLLISIONS

CHEN Ji-Sheng; LI Jia-Rong

Chinese Physics C> 1989, Vol. 13> Issue(8) : 689-695

PRODUCTION OF LARGE-TRANSVERSE-MOMENTUM PHOTONS AND THE QCD PHASE TRANSITION IN ULTRARELATIVISTIC NUCLEAR COLLISIONS

CHEN Ji-Sheng ^, ,
LI Jia-Rong

Institute of Particle Physics,Hua-Zhong Normal University,Wuhan

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Abstract：
The production of large-transverse-momentum photons from Quark-Gluon Plasma (QGP) is discussed,and is used to analyze the high multiplicity event found in the Japanese-American Cooperative Emulsion Experiment (JACCEE).The theoretical result turns out to fit the experiment well.Thus the production of large transverse momentum photons provides an experimental signal of the QCD phase transition.

References

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G. Domokos and J. I. Goldman, phys. Rev. D23(1981), 203.[2] L. D. Mclerran, FERhllLAB-CONF-86/134-T, 1986.[3] K. Kajantie et al, Phys. Rev. D34(1986), 2746.[4] B. Sinha, Phys. Lett . , 128B(1983), 91; 160B(1985), 287.[5] L. D. Mclerran and T. Toimela, Phys. Rco. D31(1985), 545.[6] R. Hwa and K. Kajantie, Phys. Rev,. D32(1985), 1109.[7] T. Burnett et al, Phys. Rev. Lett . 50(1983), 2062.[8] J. D. Bjorken, Phys. Rev. D27(1983), 140.[9] Z. Peng-fei, W. Zhen-qing, L. Lian-sou, Z. Phys. C32(1986), 93.[10] H. von Gerdoff. L. D. Mclerran, M. Kataja, P. V. Ruuskanen, Phys. Rev. D34(1966), 794; D34(1986),2755.[11] T. D. Lee, Preprint, CU-TP-226 (1981).M. Gyulassy et al., Nucl. phys. 237B(1984), 477.[12] Claude Itzykson and Jean-Bernad Zuber 'Quantum Field Theory' 1980.

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CHEN Ji-Sheng and LI Jia-Rong. PRODUCTION OF LARGE-TRANSVERSE-MOMENTUM PHOTONS AND THE QCD PHASE TRANSITION IN ULTRARELATIVISTIC NUCLEAR COLLISIONS[J]. Chinese Physics C, 1989, 13(8): 689-695.

CHEN Ji-Sheng and LI Jia-Rong. PRODUCTION OF LARGE-TRANSVERSE-MOMENTUM PHOTONS AND THE QCD PHASE TRANSITION IN ULTRARELATIVISTIC NUCLEAR COLLISIONS[J]. Chinese Physics C, 1989, 13(8): 689-695. 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

PRODUCTION OF LARGE-TRANSVERSE-MOMENTUM PHOTONS AND THE QCD PHASE TRANSITION IN ULTRARELATIVISTIC NUCLEAR COLLISIONS

CHEN Ji-Sheng ^,
LI Jia-Rong

Corresponding author: CHEN Ji-Sheng,

Institute of Particle Physics,Hua-Zhong Normal University,Wuhan

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-08-05

Abstract: The production of large-transverse-momentum photons from Quark-Gluon Plasma (QGP) is discussed,and is used to analyze the high multiplicity event found in the Japanese-American Cooperative Emulsion Experiment (JACCEE).The theoretical result turns out to fit the experiment well.Thus the production of large transverse momentum photons provides an experimental signal of the QCD phase transition.