D0-MESON DECAYS Γ（D0→K+K-）/Γ（D0→π+π-）

MA ZHONG-QI; DONG FANG-XIAO; YUE ZONG-WU; ZHOU XIAN-JIAN; XUE PEI-YOU

Chinese Physics C> 1981, Vol. 5> Issue(1) : 130-133

D⁰-MESON DECAYS Γ（D⁰→K⁺K^-）/Γ（D⁰→π⁺π^-）

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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 D^{0^*}-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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沈阳化工大学材料科学与工程学院沈阳 110142

D⁰-MESON DECAYS Γ（D⁰→K⁺K^-）/Γ（D⁰→π⁺π^-）

Received Date: 1979-09-06
Accepted Date: 1900-01-01
Available Online: 1981-05-05

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 D^{0^*}-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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D⁰-MESON DECAYS Γ（D⁰→K⁺K^-）/Γ（D⁰→π⁺π^-）

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