Exchange Degenerate Regge-Pole Model for np and pp^^- CEX Scattering

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概要

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• One way to obtain the sharp peaks in the np→pn and pp^^-→nn^^- differential cross-section data is to assume there are opposite parity partners of exchange-degenerate π- and B-meson trajectories. The residues of these parity doublets can be chosen so that physical partners of the π and B are absent. The invariant amplitudes, free from kinematic singularities, are constructed in Veneziano representation to show conspiracy relations in helicity amplitudes for isotopic spin I=0 and I=1 demanded by the forward peak in experimental dσ/dt. Since parity partners ρ and A_2 do not exist in nature, the usual Regge contribution due to exchange-degenerate ρ and A_2 exchange is employed, reducing thereby the number of parameters in residues and trajectories. The Veneziano-type t-dependent gamma function residue is introduced here.

• 理論物理学刊行会の論文
• 1973-05-25

著者

• Pal B.

  Lawrence Radiation Laboratory University Of California : Physics Department Imperial College

• PAL B.

  Lawrence Radiation Laboratory, University of California : Physics Department, Imperial College

• Pal B.K.

  Lawrence Radiation Laboratory, University of California

関連論文

• Exchange Degenerate Regge-Pole Model for np and pp^^- CEX Scattering

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