NAGIOS: RODERIC FUNCIONANDO

Lattice-constrained parametrizations of form factors for semileptonic and rare radiative B decays

Repositori DSpace/Manakin

Valencià Castellano

Inici
Investigació
e-prints
22 - Física
Visualitza element

IMPORTANT: Aquest repositori està en una versió antiga des del 3/12/2023. La nova instal.lació está en https://roderic.uv.es/

Lattice-constrained parametrizations of form factors for semileptonic and rare radiative B decays

Mostra el registre complet de l'element

Visualització (202.6Kb)

Del Debbio, Luigi; Flynn, Jonathan M.; Lellouch, Laurent; Nieves Pamplona, Juan Miguel

Aquest document és un/a article, creat/da en: 1998

We describe all the form factors for semileptonic and radiative B decays to the same light vector meson with just two parameters and the two form factors for semileptonic B decays to a light pseudoscalar meson with a further two or three parameters. This provides simple parametrizations of the form factors for the physical <(B)over bar (0)> --> <rho(+)l(-)(v)over bar (l)>, <(B)over bar (0)> --> <pi(+)l(-)(v)over bar (l)> and (B) over bar --> K*gamma decays. The parametrizations are consistent with heavy quark symmetry, kinematic constraints and lattice results, which we use to determine the parameters. In addition, we test versions of the parametrizations consistent (or not) with light-cone sum rule scaling relations at q(2) = 0.

Veure al catàleg Trobes