R-Parity Violation and Sneutrino Resonances at Muon Colliders

Abstract

In supersymmetric models with R-parity violating interactions, sneutrinos may be produced as $s$-channel resonances at ${\mu }^{+}{\mu }^{-}$ colliders. We demonstrate that, for R-parity violating couplings as low as $10^{-4}$, sneutrinos can be discovered and their couplings measured to high accuracy. The excellent beam energy resolution of muon colliders is found to be especially useful for studying such resonances in certain cases.

arXiv comment9 pages, full postscript file is available via anonymous ftp at ftp://ucdhep.ucdavis.edu/gunion/prl_snu_mupmum.ps

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• R-parity violation and top quark polarization at the Fermilab Tevatron collider
• R-Parity Violation at the LHC
• Basis-independent analysis of the sneutrino sector in R-parity violating supersymmetry
• Distinguishing Indirect Signatures of New Physics at the NLC: Z' Versus R-Parity Violation
• Indirect Searches for $Z^{\prime }$-like Resonances at the LHC
• Lepton flavor-changing processes in R-parity violating MSSM: Z->l_i l_j and γγ->l_i l_j under new bounds from l_i->l_j γ
• R-parity violation, sneutrino mixing phenomena and CP-violation in p \bar p -> sneutrino -> l^+ l^- + X
• R-parity violation and uses of the rare decay sneutrino-->gamma+gamma in hadron and photon colliders
• New scalar resonances from sneutrino-Higgs mixing in supersymmetry with small lepton number (R-parity) violation
• Tagging Sneutrino Resonances at a Linear Collider with Associated Photons