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Prog. Theor. Phys. Vol. 58 No. 6 (1977) pp. 1849-1858

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New Vector-Like Model and Nonleptonic Decays of Ordinary and Charmed Hadrons

Yoshikazu Abe, Kanji Fujii and Kazuhiro Sato

Department of Physics, Faculty of Sciences, Hokkaido University, Sapporo 060

(Received June 18, 1977)

Abstract:

Detailed accounts of the weak interaction with a certain kind of right-handed charged current are given. This current, cR(-dsin θ+ cos θ)R, which has been proposed by two of the authors (Y. A. and K. F) on the basis of the octet enhancement mechanism by Fritzsch and Minkowski, is shown to be promising in order to reproduce the experimental data on the weak nonleptonic and radiative decays of ordinary baryons including Ω-. It is pointed out that, in case of weak hadronic decays of charmed hadrons, our interaction leads to SU(4)-(45, 45*) dominance in parity-violating processes, from which one derives selection and sum rules different from those obtained in case of the SU(4)-20” dominance. An example of possible gauge models with our right-handed current is given, in which the neutral current conserves strangeness naturally.


URL : http://ptp.ipap.jp/link?PTP/58/1849/
DOI : 10.1143/PTP.58.1849

[ Full Text PDF : FREE ACCESS (819K) ] Citation:


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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 59 No. 1 (1978) pp. 208-213 :
    Nonleptonic Decays of 1/2+-Baryons and Pseudo-Connected-Line Diagrams. II
    Yoshikazu Abe, Kanji Fujii and Keijiro Honda
  2. Progress of Theoretical Physics Vol. 59 No. 3 (1978) pp. 917-926 :
    Nonleptonic Hyperon Decays in the Constituent Rearrangement Model and Universality of d/f Ratios
    Yuji Igarashi and Mamoru Shin-Mura
  3. Progress of Theoretical Physics Vol. 59 No. 3 (1978) pp. 1040-1041 :
    Parity-Violating Amplitudes of Charmed-Baryon Nonleptonic Decays due to 45- and 45*-Hamiltonian
    Keijiro Honda, Yoshikazu Abe, Kazuhiro Sato and Kanji Fujii
  4. Progress of Theoretical Physics Vol. 60 No. 6 (1978) pp. 1834-1841 :
    Sum Rules for the Four-Body Semi-Leptonic Decays of Charmed Mesons
    Koki Kudoh
  5. Progress of Theoretical Physics Vol. 61 No. 1 (1979) pp. 256-268 :
    Sum Rules for ΔCS=1 S-Wave Decays of Charmed Baryons
    Keijiro Honda
  6. Progress of Theoretical Physics Vol. 61 No. 2 (1979) pp. 599-607 :
    ΔCS=1 Decays of Charmed Baryons. II
    Keijiro Honda, Yoshikazu Abe, Kazuhiro Satō, Syū Osanai and Kanji Fujii
  7. Progress of Theoretical Physics Vol. 61 No. 4 (1979) pp. 1173-1185 :
    Rare K*π- and Strong K-ρ+-Signals in D-Meson Decays and Some Evidence for (cs)R Current
    Yoshikazu Abe
  8. Progress of Theoretical Physics Vol. 61 No. 5 (1979) pp. 1447-1451 :
    Parity Violating Hadronic Decays of Charmed Baryons in SU(8) with Right-Handed Current
    Satish Kanwar, Pashupati Nath Pandit, Ramesh C. Verma and M. P. Khanna
  9. Progress of Theoretical Physics Vol. 62 No. 1 (1979) pp. 186-192 :
    Parity Violating and Parity Conserving Decays (1/2+ →3/2++0-/1-) of Charmed Baryons in Abe, Fujii and Sato Model
    Satish Kanwar, Ramesh C. Verma and M. P. Khanna
  10. Progress of Theoretical Physics Vol. 62 No. 6 (1979) pp. 1713-1717 :
    Charm Changing Radiative Weak Decays in AFS Model
    P. N. Pandit, Ramesh C. Verma and M. P. Khanna
  11. Progress of Theoretical Physics Supplement No.63 (1978) pp. 49-279 :
    Constituent Rearrangement Model and Hadron Reactions
    Yuji Igarashi, Masahiro Imachi, Takeo Matsuoka, Kansuke Ninomiya, Shoichiro Otsuki, Shoji Sawada and Fumihiko Toyoda