Lattice QCD calculation of K → π non leptonic weak transition and other hadronic weak parameters
نویسندگان
چکیده
منابع مشابه
Non - leptonic weak decays and final state interactions in lattice QCD ∗ †
Exclusive non-leptonic weak decays are a fundamental ingredient in the determination of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements and in the study of CP violation in the K-, Dand B-meson decays. However, the study of these non-leptonic decays involves nonperturbative aspects of the strong interactions, a challenging task for our still incomplete knowledge of non-perturbative dynamics....
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A calculation of the ratio of leptonic decay constants f(K+)/f(π+) makes possible a precise determination of the ratio of Cabibbo-Kobayashi-Maskawa (CKM) matrix elements |V(us)|/|V(ud)| in the standard model, and places a stringent constraint on the scale of new physics that would lead to deviations from unitarity in the first row of the CKM matrix. We compute f(K+)/f(π+) numerically in unquenc...
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ژورنال
عنوان ژورنال: Nuclear Physics B - Proceedings Supplements
سال: 1988
ISSN: 0920-5632
DOI: 10.1016/0920-5632(88)90139-9