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Chinese Physics C> 1999, Vol. 23> Issue(8) : 790-796 

Large Rapidity GaP Events and Reggeon in DIS

  •  Institute of Particle Physics, Huazhong Normal University, Wuhan 4300792 Department of Physics, Peking University, Beijing 100871

  • The experimental results on maximum pseudo-rapidity ηmax distribution in the charge exchange process e+p→e+n+X is discussed in thes paper. The contributions of reggeon from regge phenomenology and π+ -exchange from pion cloud medel is calculated. The results show that neither the Rρ-exchange nor the pion cloud model alone can explain the experimental data well, but after considering both these two processes together, by using Month Carlo simulahon, a good agreement betWeen theoretical results and experimental data is found.
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    [1] Derrick M et al(ZEUS Collaborahon). Phys. Lett, 1993, B315:481; Ahmed T et al(Hl Collaboration). Nucl. Phys.1994, B429:477 2 Ingelman, Schlein P E. Phys. Lett, 1985, B152:256 3 Dommachie A, Landshoff P V. Nucl Phys.1988, B303:643 4 ZEUS Collsboration. Phys. Lett, 1996, B384:288 5 Peng Hongan, Zhao Shihua, Qiao congfeng. Commu. Theor. Phys., 1997,28:3396 Rarita W et al. Phys. Rev., 1968, 165:6157 Collins P D B. An Introduction to Regge Theory and thgh Energy Physics. Cambridge University Press, 19778 Holtman H, Szczurek A, Speth J. Nucl. Phys., 1996,A569:6319 N M C Collaboration, Amaudruz P et al.Phys. Rev. Lett.1991, 66:2712 10 Kopeliovich B, Povh B, Potashnikova I. Z. Phys.1996, C73:12511 przybycien M, Szczurek A, Ingelman G. DESY, 96–073 12 Sjstrand t. comp. Phys. comm.,1994, 82:74

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Zhou Yufeng, Peng Hongan and Liu Lianshou. Large Rapidity GaP Events and Reggeon in DIS[J]. Chinese Physics C, 1999, 23(8): 790-796.
Zhou Yufeng, Peng Hongan and Liu Lianshou. Large Rapidity GaP Events and Reggeon in DIS[J]. Chinese Physics C, 1999, 23(8): 790-796. shu
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Received: 1998-06-05
Revised: 1900-01-01
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Large Rapidity GaP Events and Reggeon in DIS

    Corresponding author: Zhou Yufeng,
  • Institute of Particle Physics, Huazhong Normal University, Wuhan 4300792 Department of Physics, Peking University, Beijing 100871
  • Received Date: 1998-06-05
  • Accepted Date: 1900-01-01
  • Available Online: 1999-08-05

Abstract: The experimental results on maximum pseudo-rapidity ηmax distribution in the charge exchange process e+p→e+n+X is discussed in thes paper. The contributions of reggeon from regge phenomenology and π+ -exchange from pion cloud medel is calculated. The results show that neither the Rρ-exchange nor the pion cloud model alone can explain the experimental data well, but after considering both these two processes together, by using Month Carlo simulahon, a good agreement betWeen theoretical results and experimental data is found.

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