Branch Cut Contributions to Backward Unequal-Mass Scattering Processes

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概要

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• We examine the contributions of moving branch point α_c(u) in the l-plane to the backward unequal-mass scattering amplitude. It is shown that Khuri amplitudes b(u,ν) and c(u,ν) have cuts starting from ν=α_c-k, Reν>-1/2. The defect of Regge representation owing to unequal-mass kinematics is remedied by introducing the daughter branch point trajectories α_c^n(u), satisfying α_c^n(0)=α_c^0(0)-n, of signature (-1)^n. The asymptotic from of cut contributions is t^αc(int)^<-ξ-1>.

• 理論物理学刊行会の論文
• 1969-04-25

著者

• Obara Takashi

  Department Of Physics And Atomic Energy Research Institute College Of Science And Engineering Nihon

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