Study of semileptonic decays of D_{s} meson within R-parity violating supersymmetric model

TL;DR

This paper investigates semileptonic and leptonic D meson decays within R-parity violating supersymmetry, comparing theoretical predictions with experimental data and identifying potential new physics contributions.

Contribution

It provides a comparative analysis of D meson decays in R-parity violating MSSM, highlighting where new physics effects are significant or comparable to the Standard Model.

Findings

Couplings contributions align with experimental data in most cases.

Some decay channels show suppressed but comparable contributions to the Standard Model.

Identifies potential signatures of R-parity violation in D meson decays.

Abstract

We present the comaprative study of semileptonic and leptonic decays of D_{s},D^{\pm} and D^0 meson (D\rightarrowM l_{{\alpha}}^+l_{{\beta}}^-,D\rightarrowl_{{\alpha}}^+l_{{\beta}}^-,D\rightarrowl_{{\alpha}}^+v_{{\alpha}};{\alpha},{\beta}=e,{\mu}) within the framework of R-parity violating (R_{p}) Minimal Supersymmetric Standard Model (MSSM). The comparison shows that combination and product couplings ({\lambda}_{{\beta}i{\alpha}}{\lambda}_{ijq}^{'\ast} or {\lambda}_{{\beta}qk}'{\lambda}_{{\alpha}jk}^{'\ast}) contribution to the branching fractions of the said processes rocesses(under consideration) is consistent or comparable to the experimental measurements in most of the cases. However, there exists some cases, where these contributions are suppressed but still comparable to that of standard model.