D0-MESON DECAYS Γ(D0→K+K-)/Γ(D0→π+π-

  • In this paper the nonleptonic D0-decays are discussed. Using Gilman and Wise's methods, we derived the effective Hamiltonian for Cabibbo-suppressed nonleptonic D0*-decays. The rate F(D0→K+K-)/Γ(D0→π+π-)~1.26 is obtained. Some problems in this method of the calculations are discussed roughly.
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  • [1] F. J. Gilman and M. B. Wiee, SLAC-PUB-2341, (1979).[2] G. 8. Abrama et al., BLAGPUB-2337, LBL9213, (1979).[3] M. gobayaehi and T. Maskawa, Prog. Theor. Phys., 49 (1973), 652[4] M. A. Shifman et al., Nucl. Phys.,B120(1977), 316.[5] S. Weinberg, Harvard Univ. Preprint, HUTP-78/A 005, (1978).[6] B. E. Shroch et al., BNL-E5936, (1979).[7] M. H. Gaillard, SLAG215, (1978).[8] 感谢戴元本教授指出了这一点.[9] L. F. Abbort et al., SLAC-PUB-2355, (1979).
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MA ZHONG-QI, DONG FANG-XIAO, YUE ZONG-WU, ZHOU XIAN-JIAN and XUE PEI-YOU. D0-MESON DECAYS Γ(D0→K+K-)/Γ(D0→π+π-)[J]. Chinese Physics C, 1981, 5(1): 130-133.
MA ZHONG-QI, DONG FANG-XIAO, YUE ZONG-WU, ZHOU XIAN-JIAN and XUE PEI-YOU. D0-MESON DECAYS Γ(D0→K+K-)/Γ(D0→π+π-)[J]. Chinese Physics C, 1981, 5(1): 130-133. shu
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Received: 1979-09-06
Revised: 1900-01-01
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D0-MESON DECAYS Γ(D0→K+K-)/Γ(D0→π+π-

Abstract: In this paper the nonleptonic D0-decays are discussed. Using Gilman and Wise's methods, we derived the effective Hamiltonian for Cabibbo-suppressed nonleptonic D0*-decays. The rate F(D0→K+K-)/Γ(D0→π+π-)~1.26 is obtained. Some problems in this method of the calculations are discussed roughly.

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