Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-05-21
Physics
High Energy Physics
High Energy Physics - Phenomenology
Contribution to Moriond EW 08
Scientific paper
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).
No associations
LandOfFree
Sigma to p mu+ mu-: Standard Model or New Particle? does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Sigma to p mu+ mu-: Standard Model or New Particle?, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sigma to p mu+ mu-: Standard Model or New Particle? will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-290314