English

Reading the Lattice QCD Form Factors of the $\Lambda_b \rightarrow \Lambda_c$ Transition Using a C-Code

High Energy Physics - Phenomenology 2020-10-02 v1 High Energy Physics - Lattice

Abstract

The ΛbΛcνˉ\Lambda_b \rightarrow \Lambda_c \ell^- \bar{\nu}_\ell process has been discussed in the literatures as a probe for new physics. This process receives contributions in new physics models from scalar, vector, and tensor hadronic currents. The form factors of these currents can be obtained from the quark model or the lattice QCD. In this work, we present a c-code to read the scalar, vector, and tensor lattice QCD form factors. A Mathematica code was used in Ref. \cite{Datta:2017aue} to read the form factors. Our c-code is much faster than the Mathematica code where the ratio of the wall clock time for the c-code compared to the Mathematica code is 1:64.2 per data point.

Keywords

Cite

@article{arxiv.2010.00210,
  title  = {Reading the Lattice QCD Form Factors of the $\Lambda_b \rightarrow \Lambda_c$ Transition Using a C-Code},
  author = {Bradley Smith and Ahmed Rashed},
  journal= {arXiv preprint arXiv:2010.00210},
  year   = {2020}
}

Comments

29 pages, 7 figures

R2 v1 2026-06-23T18:55:37.013Z