A Search for pair production of the LSP $\tilde{\nu_{\tau}}$ at the CLIC via RPV Decays

TL;DR

This paper investigates the potential to detect pair-produced tau-sneutrinos at the CLIC collider through RPV decays into electron-muon pairs, analyzing backgroundless processes and setting limits on decay branching ratios.

Contribution

It introduces a detailed analysis of tau-sneutrino pair production and decay via RPV interactions at CLIC, providing sensitivity limits on decay branching ratios.

Findings

Limits on branching ratios at 3σ and 5σ confidence levels.

Analysis of backgroundless subprocesses for tau-sneutrino detection.

Feasibility of detecting tau-sneutrinos at future colliders.

Abstract

In this work we consider pair production of LSP tau-sneutrinos at the Compact Lineer Collider. We assume that tau-sneutrinos decays in to e\textmu pair via RPV interactions. Backgroundless subprocess $e{}^{-}e^{+}\rightarrow\tilde{\nu}\bar{\tilde{\nu}}\rightarrow\mu^{+}\mu^{+}e^{-}e^{-}(\mu^{-}\mu^{-}e^{+}e^{+})$ is analyzed in details. Achievable limits on $Br\,(\tilde{\nu}_{\tau}\rightarrow\mu e)$ at $3\sigma$ and $5\sigma$ CL are obtained depending on $\tilde{\nu_{\tau}}$ mass.