Sneutrino-induced like sign dilepton signal with conserved R-parity

Abstract

Lepton number violation could be manifest in the sneutrino sector of supersymmetric extensions of the standard model with conserved R-parity. Then sneutrinos decay partly into the ``wrong sign charged lepton'' final state, if kinematically accessible. In sneutrino pair production or associated single sneutrino production, the signal then is a like sign dilepton final state. Under favourable circumstances, such a signal could be visible at the LHC or a next generation linear collider for a relative sneutrino mass-splitting of order $\mathcal{O}(0.001)$ and sneutrino width of order $\mathcal{O}$(1 GeV). On the other hand, the like sign dilepton event rate at the TEVATRON is probably too small to be observable.

arXiv comment19 pages, 14 Figures. Section about LSD at LHC and TEVATRON added. Previous Title "Single sneutrino production and the wrong charged lepton signal"

References in corpus (19)

• Limits on the Majorana neutrino mass in the 0.1 eV range
• Heavy Sneutrinos as Dark Matter
• Sneutrino Mixing Phenomena
• Sneutrino Cold Dark Matter With Lepton-Number Violation
• B-L-violating Masses in Softly Broken Supersymmetry
• (S)neutrino properties in R-parity violating supersymmetry: I. CP-conserving Phenomena
• Detecting Sleptons at Hadron Colliders and Supercolliders
• Physics Opportunities of e+e- Linear Colliders
• Neutrino mass and magnetic moment in supersymmetry without R-parity in the light of recent data
• Resonant Slepton Production in Hadron-Hadron Collisions
• Standard Model Neutrinos as Warm Dark Matter
• R-parity Conserving Supersymmetry, Neutrino Mass and Neutrinoless Double Beta Decay
• R-Parity Violating SUSY Signals in Lepton-Pair Production at the Tevatron
• Collider Signatures of Sneutrino Cold Dark Matter
• Light Lepton Number Violating Sneutrinos and the Baryon Number of the Universe
• Gauge-Mediated Supersymmetry Breaking Signals in an Electron-Photon Collider
• Systematics of single superpartners production at leptonic colliders
• Chargino-Sneutrino Production in Electron-Photon Collisions
• Associated Slepton-Neutralino/Chargino Production at LEPxLHC

Cited by in corpus (5)

• The R-Parity Violating Minimal Supergravity Model
• Seesaw mechanism in the sneutrino sector and its consequences
• Neutrino masses and mixings in the baryon triality constrained minimal supersymmetric standard model
• LHC and B physics probes of neutrinoless double beta decay in supersymmetry without R-parity
• Signals of sneutrino-antisneutrino mixing in an $e^{-}\gamma$ collider in anomaly-mediated supersymmetry breaking