P-Wave Decays of Hyperons and Axial Vector Mesons
نویسندگان
چکیده
منابع مشابه
Non leptonic B decays to axial - vector mesons and factorization
We present an analysis of two-body B decays with a pseudoscalar (P ) and an axial-vector meson (A) in the final state using factorization. We employ as inputs a limited number of experimental data, i.e. results for the B → K1γ , and B → K ∗γ radiative decays and the branching ratios for B → πρ, πK∗, Kρ, Kπ non leptonic decays. In this way we are able to compare our predictions with recent data ...
متن کاملHadronic Charmed Meson Decays Involving Axial Vector Mesons
Cabibbo-allowed charmed meson decays into a pseudoscalar meson and an axial-vector meson are studied. The charm to axial-vector meson transition form factors are evaluated in the Isgur-Scora-Grinstein-Wise quark model. The dipole momentum dependence of the D → K transition form factor and the presence of a sizable long-distance W -exchange are the two key ingredients for understanding the data ...
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We propose a formalism for the decay of the SU (3) nonets of the axial vector mesons of J P C = 1 +− , 1 ++ into a vector meson and a pseudoscalar which is based on a tensor formulation of the vector and axial vector fields. The formulation leads to a good reproduction of the different decay branching ratios and assuming vector meson dominance (VMD) it also leads to good results for the radiati...
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A previous model where the low-lying axial-vector mesons are dynamically generated, implementing unitarity in coupled channels in the vector-pseudoscalar (V P ) meson interaction, is applied to evaluate the decay widths of the a1(1260) and b1(1235) axial-vector mesons into πγ. Unlike the case of the a1, the b1 radiative decay is systematically underestimated at tree level. In this work we evalu...
متن کاملScalar and axial-vector mesons
Almost thirty years ago, Penny G. Estabrooks asked “Where and what are the scalar mesons?” [1]. The first part of her question can now be confidently responded [2]. However, with respect to the “What” many puzzles remain unanswered. Scalar and axial-vector mesons form part of a large family of mesons. Consequently, though it is useful to pay them some extra attention, there is no point in discu...
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ژورنال
عنوان ژورنال: Progress of Theoretical Physics
سال: 1967
ISSN: 0033-068X,1347-4081
DOI: 10.1143/ptp/38.4.992