B_d,s->rho, omega, K*, phi Decay Form Factors from Light-Cone Sum Rules Revisited TeX Export

@misc{citeulike:1060020, abstract = {We present an improved calculation of \$B\to\$ light vector form factors from light-cone sum rules, including one-loop radiative corrections to twist-2 and twist-3 contributions, and leading order twist-4 corrections. The total theoretical uncertainty of our results at zero momentum transfer is typically 10\% and can be improved, at least in part, by reducing the uncertainty of hadronic input parameters. We present our results in a way which details the dependence of the form factors on these parameters and facilitates the incorporation of future updates of their values from e.g. lattice calculations. We also give simple and easy-to-inplement parametrizations of the \$q^2\$-dependence of the form factors which are valid in the full kinematical regime of \$q^2\$.}, archivePrefix = {arXiv}, author = {Ball, Patricia and Zwicky, Roman}, citeulike-article-id = {1060020}, citeulike-linkout-0 = {http://arxiv.org/abs/hep-ph/0412079}, citeulike-linkout-1 = {http://arxiv.org/pdf/hep-ph/0412079}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevD.71.014029}, day = {6}, doi = {10.1103/PhysRevD.71.014029}, eprint = {hep-ph/0412079}, keywords = {bdecay, sum\_rules}, month = {Dec}, posted-at = {2007-01-22 15:07:42}, priority = {3}, title = {B\_{d,s}-\>rho, omega, K*, phi Decay Form Factors from Light-Cone Sum Rules Revisited}, url = {http://dx.doi.org/10.1103/PhysRevD.71.014029}, year = {2004} }

TY - ELEC ID - citeulike:1060020 L3 - citeulike-article-id:1060020 N2 - We present an improved calculation of $B\to$ light vector form factors from light-cone sum rules, including one-loop radiative corrections to twist-2 and twist-3 contributions, and leading order twist-4 corrections. The total theoretical uncertainty of our results at zero momentum transfer is typically 10% and can be improved, at least in part, by reducing the uncertainty of hadronic input parameters. We present our results in a way which details the dependence of the form factors on these parameters and facilitates the incorporation of future updates of their values from e.g. lattice calculations. We also give simple and easy-to-inplement parametrizations of the $q^2$-dependence of the form factors which are valid in the full kinematical regime of $q^2$. TI - B_{d,s}->rho, omega, K*, phi Decay Form Factors from Light-Cone Sum Rules Revisited KW - bdecay KW - sum_rules AU - Ball, Patricia AU - Zwicky, Roman PY - 2004/Dec/06/ UR - http://dx.doi.org/10.1103/PhysRevD.71.014029 ER -