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Prog. Theor. Phys. Vol. 47 No. 5 (1972) pp. 1682-1703

[ Full Text PDF : FREE ACCESS (1249K) ]

Quartet Scheme of Hadrons in Chiral U(4) ⊗U(4)

Ziro Maki, Toshihide Maskawa* and Isao Umemura**

Research Institute for Fundamental Physics, Kyoto University, Kyoto
*Department of Physics, Kyoto University, Kyoto
**Department of Nuclear Engineering, Kyoto University, Kyoto

(Received December 6, 1971)

Abstract:

A general scheme of fundamental quartets is reformulated on the basis of strict lepton-baryon symmetry, and treated in a context of chiral U(4) ⊗U(4) invariance. The structure of spontaneous breaking of it accompanied by sixteen Nambu-Goldstone bosons is studied in detail. One of the main predictions of our model is the existence of a new 0--meson, χ, with the mass heavier by ∼0.5 GeV than the charmed partners, which may be identified with new heavy particles recently reported by Niu et al. It decays predominantly as χ→K + K + (π,ηor η′) with small decay widths (∼a few MeV). Such an indication of the existence of new heavy particles is encouraging enough to push forward our new treatment of the fundamental quartets (quartons) as a natural generalization of the Sakata-Nagoya model.


URL : http://ptp.ipap.jp/link?PTP/47/1682/
DOI : 10.1143/PTP.47.1682

[ Full Text PDF : FREE ACCESS (1249K) ] Citation:

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  19. Progress of Theoretical Physics Vol. 54 No. 5 (1975) pp. 1501-1512 :
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  21. Progress of Theoretical Physics Vol. 54 No. 6 (1975) pp. 1766-1774 :
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  25. Progress of Theoretical Physics Vol. 55 No. 5 (1976) pp. 1559-1570 :
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  26. Progress of Theoretical Physics Vol. 55 No. 5 (1976) pp. 1651-1652 :
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