Prog. Theor. Phys. Vol. 63 No. 1 (1980) pp. 351-353

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Letters

Evidence for “Total Number” Conservation of Quarks in the D-Meson Decay?

Masahisa Matsuda, Masami Nakagawa^* and Shuzo Ogawa^**

Department of Physics, Aichi University of Education, Kariya 448
^*Department of Physics, Meijo University, Nagoya 468
^**Department of Physics, Nagoya University, Nagoya 464

(Received October 19, 1979)

Abstract:

We point out that the total number conservation of quarks leads to a longer life time of D⁺-meson than of D⁰-meson which is consistent with the recent data. We suggest a universal suppression of final exotic states in D-meson decay and discuss related problems.

URL : http://ptp.ipap.jp/link?PTP/63/351/
DOI : 10.1143/PTP.63.351

References:

T. Hayashi et al., Prog. Theor. Phys. 49 (1973), 351[PTP]; ibid. 52 (1974), 636[PTP].
T. Hayashi et al., Prog. Theor. Phys. 55 (1976), 968[PTP].
M. Ikeda et al., Prog. Theor. Phys. 24 (1960), 569[PTP]; ibid. 25 (1961), 121[PTP].
A. Murayama, Prog. Theor. Phys. 39 (1968), 1546[PTP].
S. P. Rosen et al., Advances in Particle Physics, vol. 2 (Interscience, New York, 1968), p. 473.
M. Nakagawa, Prog. Theor. Phys. 45 (1971), 1990[PTP].
S. Ogawa, Prog. Theor. Phys. 46 (1971), 343[PTP].
See, e.g., Y. Iwasaki, Phys. Rev. Lett. 34 (1975), 1407[APS].
Kirkby's report at the 1979 International Conference on Lepton and Photon Interactions, Fermi Lab., Aug., 1979.
K. Hoshino et al., Contributed paper on the 14th International Conference on Cosmic Ray, Munich, Aug., 1975.

Citing Article(s) :

Progress of Theoretical Physics Vol. 63 No. 4 (1980) pp. 1355-1363 :
Nonleptonic Decays of Charmed Mesons. II

Yasuo Hara
Progress of Theoretical Physics Vol. 64 No. 1 (1980) pp. 264-277 :
On the Nonleptonic Decay of Hadron and the Total Quark Number Conservation

Masahisa Matsuda, Masami Nakagawa and Shuzo Ogawa
Progress of Theoretical Physics Vol. 65 No. 1 (1981) pp. 397-400 :
Quark Number Conservation and New Particle Decays

Masahisa Matsuda, Masami Nakagawa and Shuzo Ogawa
Progress of Theoretical Physics Vol. 65 No. 2 (1981) pp. 775-778 :
On the Decay of D⁺-Meson

Tsunehiro Kobayashi and Nobuo Yamazaki
Progress of Theoretical Physics Vol. 66 No. 3 (1981) pp. 988-1002 :
Nonleptonic Decays of Charmed Mesons under the W-Exchange Dominance Hypothesis

Kunihiko Terasaki
Progress of Theoretical Physics Vol. 69 No. 3 (1983) pp. 977-987 :
Role Q²Q² Composites in D-Meson Decays

Kanji Fujii and Hirohumi Sawayanagi
Progress of Theoretical Physics Supplement No.82 (1985) pp. 1-164 :
Algebraic Approach in Quantum Chromodynamics and Electroweak Theory

Sadao Oneda and Kunihiko Terasaki