ar X iv : h ep - p h / 04 12 22 1 v 1 1 6 D ec 2 00 4 Mechanisms for χ cJ → φφ Decays

ar X iv : h ep - p h / 04 12 32 6 v 1 2 2 D ec 2 00 4 Issues in the Extraction of m s and V us from Hadronic τ Decay Data

ar X iv : h ep - e x / 98 12 01 6 v 1 1 2 D ec 1 99 8 BIHEP - EP 1 - 98 - 05 Study of the Hadronic Decays of χ c States

Hadronic decays of the P-wave spin-triplet charmonium states χcJ(J = 0, 1, 2) are studied using a sample of ψ(2S) decays collected by the BES detector operating at the BEPC storage ring. Branching fractions for the decays χc1 → K0 sKπ + c.c., χc0 → K0 sK s , χc2 → K0 sK s , χc0 → φφ, χc2 → φφ and χcJ → K+K−K+K− are measured for the first time, and those for χcJ → π+π−π+π−, χcJ → π+π−K+K−, χcJ →...

ar X iv : h ep - p h / 04 12 14 0 v 2 1 6 D ec 2 00 4 Charm meson resonances in D → P l ν decays

Motivated by recent experimental results we reconsider semileptonic D → P ℓν ℓ decays within a model which combines heavy quark symmetry and properties of the chiral Lagrangian. We include all observed charm meson resonances in our Lagrangian and determine their impact on the charm meson semileptonic form factors. We find that the inclusion of recently discovered charm resonances in the model l...

ar X iv : h ep - p h / 04 12 14 0 v 1 1 0 D ec 2 00 4 Charm meson resonances in D → P l ν decays

Motivated by recent experimental results we reconsider semileptonic D → P ℓν ℓ decays within a model which combines heavy quark symmetry and properties of the chiral Lagrangian. We include all observed charm meson resonances in our Lagrangian and determine their impact on the charm meson semileptonic form factor F+. We find that the inclusion of recently discovered charm resonances in the model...

ar X iv : h ep - p h / 05 12 10 1 v 1 8 D ec 2 00 5 Hard spectator - scattering in B → ππ decays at NNLO ∗

We compute the 1-loop (NNLO) corrections to hard spectator-scattering in tree-dominated hadronic B decays. Depending on the values of hadronic input parameters the corrections are shown to have a significant impact on the B → ππ branching fractions.