$B \to K^* + γ$ and $B_s \to φ+ γ$ on the Lattice

Details $B \to K^* + γ$ and $B_s \to φ+ γ$ on the Lattice $B \to K^* + γ$ and $B_s \to φ+ γ$ on the Lattice

1993-11-07

arxiv.org/abs/hep-lat/9311010v2

Phys.Rev.Lett. 72 (1994) 1402-1405

Physics

High Energy Physics

High Energy Physics - Lattice

13 pages (Latex), Wash. U. HEP/93-35. (Revised: we have corrected and extended the table of phenomenological results for $R_{K

Scientific paper

10.1103/PhysRevLett.72.1402

A lattice calculation of the form factors that determine the ``hadronization ratios'', such as $R_{K^*}$ and $R_{\phi}$, where $R_{K^*} \equiv [\Gamma ($B \to K^* \gamma$)/\Gamma(b \to s \gamma)]$, is presented in the quenched approximation. Lattice data shows strong evidence for the scaling law suggested by heavy quark symmetry for one of the form factors ({\it i.e.}\ $T_2$). The data also gives strong support for the simple pole ansatz for the $q^2$ dependence of $T_2$ in the range of available $q^2$. We thus find $T_2(0) = .10 \pm.01\pm.03$ yielding $R_{K^*} =(6.0\pm1.2\pm3.4)\%$; we also find $R_{\phi}=(6.6\pm1.3\pm3.7)\%$.

Affiliated with

Also associated with

No associations

Rating

$B \to K^* + γ$ and $B_s \to φ+ γ$ on the Lattice does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with $B \to K^* + γ$ and $B_s \to φ+ γ$ on the Lattice, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and $B \to K^* + γ$ and $B_s \to φ+ γ$ on the Lattice will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-556917