期刊
PHYSICAL REVIEW D
卷 84, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.84.074019
关键词
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资金
- National Natural Science Foundation of China [10735080, 11075168]
- National Basic Research Program of China (973) [2010CB833000]
- Natural Science Foundation of Zhejiang Province of China [Y606252]
- Zhejiang Provincial Education Department of China [20051357]
Nonleptonic decays of charmed mesons into two pseudoscalar mesons or one pseudoscalar meson and one vector meson are studied on the basis of a generalized factorization method considering the resonance effects in the pole model for the annihilation contributions. Large strong phases between different topological diagrams are considered in this work, simply taking the phase in the coefficients a(i). We find that the annihilation-type contributions calculated in the pole model are large in both of the PP and PV modes, which make our numerical results agree with the experimental data better than those previous calculations.
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