X iv : h ep - p h / 02 05 26 2 v 1 2 3 M ay 2 00 2 Hadronic decays of B involving a tensor meson through a b → c transition

ar X iv : h ep - p h / 02 05 26 3 v 1 2 3 M ay 2 00 2 Nonleptonic two - body charmless B decays involving a tensor meson in ISGW 2 model

Nonleptonic charmless B decays into a pseudoscalar (P ) or a vector (V ) meson accompanying a tensor (T ) meson are re-analyzed. We scrutinize the hadronic uncertainties and ambiguities of the form factors which appear in the literature. The Isgur-Scora-Grinstein-Wise updated model (ISGW2) is adopted to evaluate the relevant hadronic matrix elements. We calculate the branching ratios and CP asy...

X iv : h ep - p h / 03 01 05 8 v 1 9 J an 2 00 3 Hadronic decays of η and η ′ with coupled channels 1

The hadronic decays η → πππ, η ′ → πππ and η ′ → ηππ are investigated within a U (3) chiral unitary approach. Final state interactions are included by deriving the effective s-wave potentials for meson meson scattering from the chiral effective Lagrangian and iterating them in a Bethe-Salpeter equation. With only a small set of parameters we are able to explain both rates and spectral shapes of...

ar X iv : h ep - p h / 00 05 10 2 v 1 1 1 M ay 2 00 0 1 Semi - Leptonic B Meson Decays to Excited D Mesons in the Covariant Oscillator Quark Model

The spectra and branching ratios of the weak semi-leptonic B meson decays to the first excited D mesons are predicted, taking into account the confined effects of quarks using the covariant oscillator quark model (COQM). In the COQM the same relation between general weak transition form factors as that in HQET is derived, and the concrete form of the IsgurWise function is given with no free par...

ar X iv : h ep - p h / 05 05 16 1 v 1 1 8 M ay 2 00 5 Productions of σ meson in J / ψ and ψ ( 2 s ) decays Bing

Productions of σ meson in J/ψ and ψ(2s) decays Abstract Productions of scalar meson(σ) in the decays of J/ψ → ω + σ,J/ψ → γ + σ and ψ(2s) → ω + σ, J/ψ + σ, γ + σ and ee + annihilations in the regions of J/ψ and ψ are studied 1

ar X iv : h ep - p h / 02 05 01 6 v 1 2 M ay 2 00 2 Scalar a 0 ( 980 ) meson in φ → π 0 ηγ decay