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Prog. Theor. Phys. Vol. 22 No. 5 (1959) pp. 715-724

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A Possibile Symmetry in Sakata's Model for Bosons-Baryons System

Mineo Ikeda, Shuzo Ogawa* and Yoshio Ohnuki**

Research Institute for Theoretical Physics, Hiroshima University, Hiroshima
*Department of Physics, Hiroshima University, Hiroshima
**Department of Physics, Nagoya University, Nagoya

(Received July 28, 1959)

Abstract:

In this paper we study a possible symmetry in Sakata's model for the strongly interacting particles. In the limiting case in which the basic particles, proton, p, neutron, n and Λ-particle, Λ, have an equal mass, our theory holds the invariance under the exchange of p and Λ or n and Λ in addition to the usual charge independence and the conservation of electrical and hyperonic charge.
From our theory the following are obtained: (a) iso-singlet π0-meson state, which is a pseudo-scalar, exists, (b) the spin of Ξ-particle may be (3/2)+ and (c) several resonating states in K- and π-nucleon scattering are anticipated to exist.


URL : http://ptp.ipap.jp/link?PTP/22/715/
DOI : 10.1143/PTP.22.715

[ Full Text PDF : FREE ACCESS (612K) ] Citation:


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