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Prog. Theor. Phys. Vol. 13 No. 1 (1955) pp. 19-37

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On the Universality of the Weak Boson-Fermion Interaction

Kenzo Iwata, Shuzo Ogawa, Hisaichiro Okonogi, Bunji Sakita and Sadao Oneda*

Institute of Theoretical Physics, Nagoya University
*Kanazawa University

(Received September 30, 1954)

Abstract:

With the aim to investigate the possibility of reducing the complicated interactions between various sorts of elementary particles to some kind of interactions which have certain primary and universal character, analysis is made on the weak interactions between Bosons and Fermions which appear in the recent high energy experiments. It is suggested that there might exist one type of interaction which seems to have desired property. That is, when we set up weak interaction of the type gψaγ5γµψb∂µφc or gψaγµψb∂µφc between any pair of spinor fields ψa, ψb (spin 1/2) and any Boson field ψc (spin 0), nearly unique value of the coupling constant g seems to be consistent with so many remarkable reactions (§2, §3). Assuming the universal character of this interaction discussions are made on the consistency of the coexistence of this interaction with other similar ones such as universal Fermi interaction etc. (§4) and on the possible reasons for the necessity of its introduction (§5). In this connection we also briefly examine the problem whether the newly found spinor fields (Λ-particle and possibly κ-meson) may be included in the universal Fermi interaction scheme consistently (§3, §4 and Appendix IV). As an example of the selection principles which forbid unwanted processes, we take the conservation law of the Fermion numbers to test its workability (Appendix I).


URL : http://ptp.ipap.jp/link?PTP/13/19/
DOI : 10.1143/PTP.13.19

[ Full Text PDF : FREE ACCESS (1593K) ] Citation:

References:

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    Recently clear evidence for the double production π-+p→Λ0+θ0 in cosmic ray experiments is reported by Indiana Group.
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