Scrutinizing Supergravity Models through Neutrino Telescopes

Details Scrutinizing Supergravity Models through Neutrino Telescopes Scrutinizing Supergravity Models through Neutrino Telescopes

1993-09-29

arxiv.org/abs/astro-ph/9309048v1

Phys.Rev.D49:3691-3703,1994

Astronomy and Astrophysics

Astrophysics

18 pages (LaTex), 10 figures not included but available upon request (kyuan@tac.harc.edu) either as 10 ps files or 1 uuencoded

Scientific paper

10.1103/PhysRevD.49.3691

Galactic halo neutralinos ($\chi$) captured by the Sun or Earth produce high-energy neutrinos as end-products of various annihilation modes. These neutrinos can travel from the Sun or Earth cores to the neighborhood of underground detectors (``neutrino telescopes") where they can interact and produce upwardly-moving muons. We compute these muon fluxes in the context of the minimal $SU(5)$ supergravity model, and the no-scale and dilaton $SU(5)\times U(1)$ supergravity models. At present, with the Kamiokande 90\% C.L. upper limits on the flux, only a small fraction of the parameter space of the $SU(5)\times U(1)$ models is accessible for $m_\chi\sim m_{\rm Fe}$, which in turn implies constraints for the lightest chargino mass around 100 GeV for a range of $\tan\beta$ values. We also delineate the regions of parameter space that would be accessible with the improvements of experimental sensitivity expected in the near future at Gran Sasso, Super-Kamiokande, and other facilities such as DUMAND and AMANDA, currently under construction. We conclude that if neutralinos are present in the halo, then this technique can be used to eventually explore more than half of the allowed parameter space of these specific models, and more generally of a large class of supergravity models, in many ways surpassing the reach of traditional collider experiments.

Affiliated with

Also associated with

No associations

Rating

Scrutinizing Supergravity Models through Neutrino Telescopes 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 Scrutinizing Supergravity Models through Neutrino Telescopes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Scrutinizing Supergravity Models through Neutrino Telescopes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-435923