Vector quark model andB→Xsγdecay
نویسندگان
چکیده
منابع مشابه
Vector Meson Photoproduction in the Quark Model
We present a quark model study of the ω meson photoproduction near threshold. With a limited number of parameters, all the data in history are reproduced. The roles played by the sand u-channel processes (resonance excitations and nucleon pole terms), as well as the t-channel natural (Pomeron) and unnatural parity (pion) exchanges are clarified. This approach provides a framework for systematic...
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We study the B meson radiative decay B → Xsγ in the vector quark model. Deviation from the Standard Model arises from the non-unitarity of the charged current KM matrix and related new FCNC interactions. We establish the relation between the non-unitarity of charged current mixing matrix and the mixing among the vector quark and the ordinary quarks. We also make explicitly the close connection ...
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After describing the SU(2) linear sigma model (LσM), we dynamically generate it using the B.W. Lee null tadpole sum (characterizing the true vacuum) together with the dimensional regularization lemma. Next we generate the chiral-limiting (CL) nonstrange and strange constituent quark masses m̂ = 325.7 MeV; ms = 486 MeV away from the CL. Finally, we study vector meson dominance (VMD) and the pion,...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2000
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.61.053007