Leakage and Overlap of the Partons Inside Nucleon and theNuclear Effect on the Nucleon Structure Function

Duan Chungui; He Zhenmin; Zhang Ligang; Xue Dali; Li Guanglie

Chinese Physics C> 1998, Vol. 22> Issue(8) : 726-731

Leakage and Overlap of the Partons Inside Nucleon and theNuclear Effect on the Nucleon Structure Function

Physics Department, Hebei Teachers' University, Shijiazhuang 0500161 Physics Delpartment Wuhan Metallurgy Technolegy and Science University, Wuhan 430002 Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039

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Abstract：
In the nuclear medium, there are the non-nucleonic components. The leak-out panons, which form some colour-singlet parton clusters, are the origion of the non-nucleonic components. Meanwhile, the small x partons become co-used by several nucleons because the pamons' longitudinal size extends over more than one nucleon. The nucleon effective mass can be successfully used as the only free parameter to adjust the sbucture function ratios recently measured by NMC.

References

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EMC Collab. Aubert J J et al. Phys. Lett., 1983, 123B:275[2] NMC Arneodo M et al. Nucl. Phys., 1992, 441B: 3,12[3] Migdal A. in Theory of Finite Fermi Systems and Applications to Atomic Nuclei (Wiley, New York, 1967)[4] Garcia Canal C A et al. Phys. Rev. Lett. 1984,53:1430[5] Gluck M, Reya E, Vogt A. Z. Phys., 1995, 67C:433

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Duan Chungui, He Zhenmin, Zhang Ligang, Xue Dali and Li Guanglie. Leakage and Overlap of the Partons Inside Nucleon and theNuclear Effect on the Nucleon Structure Function[J]. Chinese Physics C, 1998, 22(8): 726-731.

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

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