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Prog. Theor. Phys. Vol. 45 No. 3 (1971) pp. 866-889

[ Full Text PDF : FREE ACCESS (1187K) ]

A Model of Leptonic Weak Interactions

Bjong-Ro Kim and Seitaro Nakamura

Max-Planck-Institut fur Physik und Astrophysik, München, Deutschland

(Received August 25, 1970)

Abstract:

A model for studying the leptonic weak processes of hadrons is developed on the basis of the original idea of the meson theory by Yukawa who took the strong meson as an intermediary of β-decay. By assuming that all strong mesons have weak interactions with the lepton currents, we find that the contributions from ρ(760) and A1(1070), K*, K*(890), and Kc, Kc(1240) are most prominent, leading to essentially the V-αA(α>0) type as the leptonic weak interactions of hadrons with |ΔS|=0, 1. We studied the high energy neutrino reactions in this model and compared the result with experiment.
Various kinds of the strong mesons lead to the diverse leptonic weak rocesses of hadrons:
transitions      strong mesons
ΔS=0,       S=0,   I=1,
|ΔS|=1,       S=±1, I=1/2, 3/2,
|ΔS|=2,       S=±2, I=0,1, (exotic)
ΔS=ΔQ,     S=±1, I=1/2,
ΔS=-ΔQ,     S=±1, I=3/2, (ecotic)
The results which were predicted by the conserved vector current theory and those derived by the present theory are compared.


URL : http://ptp.ipap.jp/link?PTP/45/866/
DOI : 10.1143/PTP.45.866

[ Full Text PDF : FREE ACCESS (1187K) ] Citation:

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 46 No. 1 (1971) pp. 198-210 :
    Selection Rules in the Weak Interactions and Their Relation to Hadronic Mesons
    Bjong-Ro Kim
  2. Progress of Theoretical Physics Vol. 48 No. 6 (1972) pp. 1899-1917 :
    β-Rays Emitted from the Polarized Nuclei and β-Decay Interactions on the Strong Meson-Dominance Model
    Seitaro Nakamura, Shigeo Sato and Masataka Igarashi

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