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Prog. Theor. Phys. Vol. 35 No. 1 (1966) pp. 90-103

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Pole Model of Non-Leptonic Decay Consistent with Decay Parameters and Sum Rules

Shōichiro Kawasaki,* Mitsuo Imoto** and Shin-ya Furui***

*Department of Physics, College of Arts and Sciences, Chiba University, Chiba
**Department of Physics, and Atomic Energy Research Institute, College of Science and Engineering, Nihon University, Tokyo
***Physical Institute, Faculty of Liberal Arts, Ibaraki University, Mito

(Received September 14, 1965)

Abstract:

Considering the difficulties to get decay parameters and sum rules consistently and the ill forbiddeness of K10 → 2π in SU(3) limit, we reject the prejudice that the non-leptonic decay can be expressed with trilinear interaction, and instead adopt the pole model with all two-body type weak interactions that are CP invariant, λ6-like and constructed from baryon octet, pseudoscalar meson octet and vector meson nonet with actual mass splittings. It follows, then, that i) Σ+n + π+ is uniquely determined to be pure P-wave process consistent with both of the recent experiments and result on SU6 theory; ii) experimental values of six α's and γ's are consistently reproduced by means of four parameters including weak and strong F/D ratios whose fittest values are F/D = 2/3 (the value suggested by the SU6 theory) consistent with experimental values ∼1/√3; iii) with the fixed parameters there hold exactly or approximately six sum rules for each of S and P waves. These sum rules include relations obtained on the SU6 theory and two new ones for the P wave. It is also shown that K10 → 2π is allowed with right order owing to our assumptions, contrasting with its forbiddeness with trilinear interaction at the SU3-symmetry limit.


URL : http://ptp.ipap.jp/link?PTP/35/90/
DOI : 10.1143/PTP.35.90

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 35 No. 1 (1966) pp. 172-174 :
    Possible Unification of Two-Body Interaction of Non-Leptonic Decay and Mass-Splittings on the Basis of Cabibbo Space Invariance
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  2. Progress of Theoretical Physics Vol. 36 No. 5 (1966) pp. 1044-1053 :
    Parity Violating Amplitudes for Nonleptonic Hyperon Decays
    Hideyuki Koyama and Takanori Tamiya
  3. Progress of Theoretical Physics Vol. 36 No. 6 (1966) pp. 1185-1205 :
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  4. Progress of Theoretical Physics Vol. 37 No. 1 (1967) pp. 205-207 :
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    Kanji Fujii and Osamu Terazawa
  5. Progress of Theoretical Physics Vol. 37 No. 1 (1967) pp. 207-209 :
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    Kanji Fujii and Osamu Terazawa
  6. Progress of Theoretical Physics Vol. 37 No. 6 (1967) pp. 1228-1238 :
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  7. Progress of Theoretical Physics Vol. 38 No. 2 (1967) pp. 388-416 :
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  8. Progress of Theoretical Physics Vol. 39 No. 2 (1968) pp. 411-419 :
    On the Non-Leptonic Decay Process
    Takemi Hayashi, Shuzo Ogawa, Hisaichiro Okonogi and Minoru Yonezawa
  9. Progress of Theoretical Physics Vol. 39 No. 5 (1968) pp. 1233-1267 :
    Phenomenological Approach to Non-Leptonic Decays. I
    Mitsuo Imoto and Katsuhiko Ohya
  10. Progress of Theoretical Physics Vol. 39 No. 5 (1968) pp. 1278-1288 :
    On Nonleptonic Decays
    Shin-ya Furui, Tetsuya Tsuchida, Kanji Fujii and Shoichiro Kawasaki
  11. Progress of Theoretical Physics Vol. 39 No. 6 (1968) pp. 1546-1553 :
    Nonleptonic Hyperon Decays Based on the Composite Scheme
    Akihiro Murayama
  12. Progress of Theoretical Physics Vol. 43 No. 1 (1970) pp. 125-143 :
    Investigation of Nonleptonic Hyperon Decays and Baryon β-Decays Based on the Quartet Model
    Akihiro Murayama