K Meson-Pion Interaction and K^-+p→K^^-^0+π^-+p Reaction

概要

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K^^- meson-pion interaction is studied by taking into account the effects of K^*. Both the value of coupling constant for K^^-πK^*-interaction and the magnitude of cross section of K^^--π scattering are estimated under the assumption that the isotopic spin of K^* is equal to 1/2. Making use of the value of coupling constant we try to investigate the reaction K^-+p→K^^-^0+π^-+p at 1.15 Bev/c and 2 Bev/c. The total cross section of this reaction, the angular distributions and momentum spectra of protons and pions are examined. It is shown that the assumption of S=1 (S indicates the spin of K^*) rather than that of S=0 is consistent not only with the experimental results for the angular distribution of K^-+p→K^*+p process but also with those for K^-+p→K^^-^0+π^-+p reaction at 1.15 Bev/c, that is, the magnitude of cross section and the energy spectrum of pion.
理論物理学刊行会の論文
1961-09-25