Chinese Physics C > 1990, Vol. 14 > Issue(7): 620-624

THE INFLUENCE OF EMC EFFECT ON LARGE-p_TDIRECT PHOTON PRODUCTION

KE Yao-Huang^,,
LIN Zhong-Jin

Department of Physics,Xiamen University

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Abstract：
The influence of EMC effect on the large-p _Tdirect photon production is discussed.Starting with the statistical model of partons,we make use of the rescaling model to estimate nuclear parameters fitting experimental data of the EMC effect,and calculate the ratio of the cross section for large-p _Tdirect photon production which manifests the EMC effect.It is shown that the EMC effect affects the process slightly,the deviation of the Fe to deterium ratio from 1 is expected to be about 3—－3% in the region of 5≤p _T≤10GeV,s=40GeV.

References

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彭铁梁、李子邦、彭宏安，高能物理与核物理，10(1986),438.[2] G. Ballocchi and M. Zielinski; Zeit. Phys., C32 (T986), 27.[3] 李子邦、彭宏安搞能物理与核物理，12(1988),55.[4] Hong-an Peng,Zi-bang Li and Zhong-jin Lin, Phys. Lett., 192B(1987), 185[5] T. Ferbel'and W. Molzon, Rev. Mod. Phys., 56(1984), 181.[6] 林仲金，厦门大学学报(自然科学版)，23(1984),47.[7] S. Gupta and K. V. Sarma, Zeit. Phys., C29(1985), 329.[8] 刘连寿、彭史安、赵维勤，中国科学(A辑)，11(1985),1008,

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KE Yao-Huang and LIN Zhong-Jin. THE INFLUENCE OF EMC EFFECT ON LARGE-p _TDIRECT PHOTON PRODUCTION[J]. Chinese Physics C, 1990, 14(7): 620-624.

KE Yao-Huang and LIN Zhong-Jin. THE INFLUENCE OF EMC EFFECT ON LARGE-p _TDIRECT PHOTON PRODUCTION[J]. Chinese Physics C, 1990, 14(7): 620-624. 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 INFLUENCE OF EMC EFFECT ON LARGE-p_TDIRECT PHOTON PRODUCTION

KE Yao-Huang^,
LIN Zhong-Jin

Corresponding author:KE Yao-Huang,

Department of Physics,Xiamen University

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1990-07-05

Abstract:The influence of EMC effect on the large-p_Tdirect photon production is discussed.Starting with the statistical model of partons,we make use of the rescaling model to estimate nuclear parameters fitting experimental data of the EMC effect,and calculate the ratio of the cross section for large-p_Tdirect photon production which manifests the EMC effect.It is shown that the EMC effect affects the process slightly,the deviation of the Fe to deterium ratio from 1 is expected to be about 3—－3% in the region of 5≤p_T≤10GeV,s=40GeV.