Sigma to p mu+ mu-: Standard Model or New Particle?
| dc.creator | Valencia, G. | |
| dc.date | 2008-05-21 | |
| dc.date.accessioned | 2026-07-07T09:40:12Z | |
| dc.date.available | 2026-07-07T09:40:12Z | |
| dc.description | The HyperCP collaboration observed three events for the decay Sigma to p mu+ mu-. They suggested that new physics may be required to understand the implied decay rate and the observed dimuon invariant mass distribution. Motivated by this result, we re-examine this mode. First within the standard model, and then assuming there is a new particle. Within the SM we find that this mode is long-distance dominated and its rate falls within the range suggested by the HyperCP measurement. We then examine the conditions under which the observation is consistent with a light Higgs boson and find an explicit example that satisfies all the constraints: the light pseudoscalar Higgs boson in the next-to-minimal supersymmetric standard model (NMSSM). | |
| dc.description | Contribution to Moriond EW 08 | |
| dc.identifier | https://arxiv.org/abs/0805.3285 | |
| dc.identifier | http://arxiv.org/abs/0805.3285 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/161411 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Sigma to p mu+ mu-: Standard Model or New Particle? | |
| dc.type | text |