Out-going Muon Flux from Neutralino Annihilation in the Sun and the Earth in Supergravity Unification
Achille Corsetti, Pran Nath

TL;DR
This paper predicts muon fluxes resulting from neutralino annihilation in the Sun and Earth within supergravity models, analyzing uncertainties and comparing with experimental limits to assess detection prospects.
Contribution
It provides detailed predictions of muon fluxes from neutralino annihilation in the Sun and Earth, considering uncertainties and their implications for detection.
Findings
Earth flux larger at low fine tuning
Sun flux larger at high fine tuning
Combined fluxes compete with direct detection limits
Abstract
Predictions for the out-going muon fluxes from the annihilation of neutralinos in the center of the Sun and the Earth in supergravity unification are given. Effects of uncertainties of the input data are analysed. It is shown that the out-going muon flux measurements from the Sun and the Earth are complementary, with the Earth providing a larger flux for low values of fine tuning and the Sun providing a larger flux for high values of fine tuning, and that only a combination of the two can compete favorably with the direct detection measurements. The predictions are compared with the recent limits from BAIKAL NT-96, MACRO, and BAKSAN.
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