$R_{K^{(\ast)}}$ from RPV-SUSY sneutrinos

TL;DR

This paper proposes a minimal RPV-SUSY model with sneutrinos to explain the $R_{K^{(*)}}$ lepton flavor universality violation observed by LHCb, providing a plausible alternative to Standard Model predictions.

Contribution

It introduces a minimal RPV-SUSY framework with sneutrinos as a solution to the $R_{K^{(*)}}$ anomalies, emphasizing phenomenological viability.

Findings

Sneutrinos can account for the $R_{K^{(*)}}$ anomalies within RPV-SUSY.

The proposed model aligns with current experimental constraints.

It offers a minimal and plausible new physics explanation for LFV in $b o s \, \ell^+\ell^-$ processes.

Abstract

We analyze the lepton flavor universality violation (LFV) in process $b\to s \ell^+\ell^-$ in an R-parity violating supersymmetric (RPV-SUSY) scenario. The most recent update on $\rk$ from the LHCb collaboration suggests approximately $3.1\sigma$ deviation from the Standard Model predictions, strengthening the case of LFV New Physics. In this work, we show that $R_{K^{(*)}}$ anomaly can be addressed via only sneutrinos within the framework of R-parity violating interactions assuming phenomenologically viable values of the couplings. While our proposed solution is by no means the only solution to these anomalies, it is a phenomenologically plausible one and, notably, quite a minimal one in the context of RPV-SUSY.