Effective Mass Number in Hadron-Nucleus Collisions at High Energies
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概要
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In some recent models for hadron-nucleus collisions at high energies, it is assumed that only A_e nucleons in the nucleus with mass number A interact as "a big hadron" with the incident hadron and the residual A-A_e nucleons pass through as spectators. In this paper, two alternative formulae to calculate the distribution of the effective mass number A_e or its average <A_e> are derived. Distinction between A_e and ν, the number of hadron-nucleon inelastic collisions which the incident hadron experiences in passing the nucleus, is stressed. In fact, we obtain the result that <A_e>_<pA>≃(3.4~4.3)<ν>_<pA> for A≫1 under a reasonable approximation. A confusion recently raised by considering that A_e≡ν is thereby settled.
- 理論物理学刊行会の論文
- 1977-06-25
著者
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TAKAGI Fujio
Department of Physics, Tohoku University
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Takagi Fujio
Department Of Basic Sciences Ishinomaki Senshu University
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TAKAGI Fujio
Physics Department, Tohoku University
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