Muon anomalous magnetic moment and supersymmetric dark matter

Details Muon anomalous magnetic moment and supersymmetric dark matter Muon anomalous magnetic moment and supersymmetric dark matter

2001-05-23

arxiv.org/abs/hep-ph/0105249v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, to appear in proceedings of PASCOS'01

Scientific paper

The anomalous magnetic moment of the muon has recently been measured to be in conflict with the Standard Model prediction with an excess of 2.6 sigma. Taking this result as a measurement of the supersymmetric contribution, we find that at 95% confidence level it imposes an upper bound of about 500 GeV on the neutralino mass and forbids higgsino dark matter. More interestingly, it predicts an accessible lower bound on the direct detection rate, and it strongly favors models detectable by neutrino telescopes. Cosmic ray antideuterons may also be an interesting probe of such models.

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