Probing neutrino mass with multilepton production at the Tevatron in the simplestR-parity violation model

2003/04/30 by M. B. Magro, F. de Campos, O. J. P. Eboli +5 · 1 citation
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Fermilab #Lightest Supersymmetric Particle #Minimal Supersymmetric Standard Model #Neutrino #Neutrino Physics Research #Nuclear physics #Parameter space #Parity (physics) #Particle physics #Particle physics theoretical and experimental studies #Phenomenology (philosophy) #Philosophy #Physics #R-parity #Statistics #Supergravity #Supersymmetry #Tevatron #hep-ph

paper · pdf · doi:10.1088/1126-6708/2003/09/071

published as JHEP 0309:071,2003 · 26 pages, 23 figures. Revised version with some results corrected and references added. Conclusions remain the same

arxiv created 2003/07/30 · openalex publication_date 2003/09/29 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We analyze the production of multileptons in the simplest supergravity model with bilinear violation of R parity at the Fermilab Tevatron. Despite the small R-parity violating couplings needed to generate the neutrino masses indicated by current atmospheric neutrino data, the lightest supersymmetric particle is unstable and can decay inside the detector. This leads to a phenomenology quite distinct from that of the R-parity conserving scenario. We quantify by how much the supersymmetric multilepton signals differ from the R-parity conserving expectations, displaying our results in the m₀ ⊗ m_1/2 plane. We show that the presence of bilinear R-parity violating interactions enhances the supersymmetric multilepton signals over most of the parameter space, specially at moderate and large m₀.

Citations

• Supersymmetric solution to the solar and atmospheric neutrino problems
• Neutrino oscillations andR-parity violating collider signals
• Measurement of Day and Night Neutrino Energy Spectra at SNO and Constraints on Neutrino Mixing Parameters
• Perspectives on Supersymmetry: The Search for Supersymmetry at the Tevatron Collider
• Supersymmetry reach of the Fermilab Tevatron via trilepton, like-sign dilepton, and dilepton plus tau jet signatures
• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Review of Particle Physics
• Searches for supersymmetric particles at the Tevatron collider

Cited by

• CERN LHC signals for a neutrino mass model with bilinear R-parity violating minimal anomaly mediated supersymmetry