Deep Inelastic Contribution to Nucleon Mass Difference

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概要

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• We discuss a possibility to remove the logarithmic divergence in the Cottingham formula by introducing counter terms within the framework of the quark parton model. This is based on the same way as in quantum electrodynamics. Adopting a special model in which the constituent quarks are off-mass shell, we obtain a finite part coming from the self-mass diagrams. The numerical value of quark mass is estimated to be 112 MeV. However, the finite contribution to the nucleon mass difference in our model turns out to be -0.05 MeV which is too small to overcome the wrong sign of the elastic contribution.

• 理論物理学刊行会の論文
• 1978-07-25

著者

• Okumura Yoshitaka

  Department Of Applied Physics Chubu Institute Of Technology

• Okumura Michiko

  Department Of Physics Kyoto University

• OKUMURA Yoshitaka

  Department of Applied Physics, Chubu Institute of Technology

• OKUMURA Yoshitaka

  Department of Applied Physics, Chubu Institute of Technology Kasugai

• OKUMURA Yoshitaka

  Physics Laboratory, University of Alberta

• OKUMURA Yoshitaka

  Department of Applied Physics, Chubu University

• OKUMURA Yoshitaka

  Department of Physics, Boston University:The Department of Natural Sciences, Chubu University

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