Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-06-29
JHEP0611:050,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
25 pages, 15 figures. v2: References added. v3: Published version
Scientific paper
10.1088/1126-6708/2006/11/050
Right-handed neutrinos offer us the possibility of accommodating neutrino masses. In a supersymmetric model, this implies the existence of right-handed sneutrinos. Right-handed sneutrinos are expected to be as light as other supersymmetric particles if the neutrinos are Dirac fermions, or if the lepton-number breaking scale is at (or below) the supersymmetry (SUSY) breaking scale, assumed to be around the electroweak scale. Depending on the mechanism of SUSY breaking, the lightest right-handed sneutrino may be the lightest supersymmetric particle (LSP). We consider the unique hadron collider signatures of a weak scale right-handed sneutrino LSP, assuming R-parity conservation. For concreteness, we concentrate on stop pair-production and decay at the Tevatron and the Large Hadron Collider, and briefly comment on the production and decay of other supersymmetric particles.
Gopalakrishna Shrihari
Gouvea Andre de
Porod Werner
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