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Liang, GW; Liu, JF; Chao, KT; Liang, GW , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
Semileptonic decays of heavy mesons to light pseudoscalar mesons in the BS formalism
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
KeywordForm-factors Pion Quarks
AbstractThe decay processes from heavy to light pseudoscalar mesons such as pi, K, eta, eta' are studied in a relativistic constituent quark model based on the BS formalism. It is emphasized that the negative energy projector operators's contributions in the BS wavefunctions for light pseudoscalar mesons have to be considered. By taking into account these contributions, the previously encountered difficulties in calculating the decay constants and form factors are found to le removed. All the form factors for transitions such as D --> pi, D --> K, D-s --> K, D-s --> eta, D-s --> eta', B --> pi, B-s --> K are estimated and the branching ratios for these semileptonic decays are calculated. The results of our calculations are consistent with experimental values.
1998
ISSN0253-6102
Volume30Issue:3Pages:457-464
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12246
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLiang, GW , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
Recommended Citation
GB/T 7714
Liang, GW,Liu, JF,Chao, KT,et al. Semileptonic decays of heavy mesons to light pseudoscalar mesons in the BS formalism[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1998,30(3):457-464.
APA Liang, GW,Liu, JF,Chao, KT,&Liang, GW , Peking Univ, Dept Phys, Beijing 100871, Peoples R China..(1998).Semileptonic decays of heavy mesons to light pseudoscalar mesons in the BS formalism.COMMUNICATIONS IN THEORETICAL PHYSICS,30(3),457-464.
MLA Liang, GW,et al."Semileptonic decays of heavy mesons to light pseudoscalar mesons in the BS formalism".COMMUNICATIONS IN THEORETICAL PHYSICS 30.3(1998):457-464.
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