Sensitivity of IceCube-DeepCore to neutralino dark matter in the MSSM-25

TL;DR

This study assesses IceCube-DeepCore's ability to detect neutralino dark matter in the MSSM-25, revealing its potential to identify models beyond the reach of current direct detection, indirect detection, and collider experiments.

Contribution

It introduces a comprehensive analysis of IceCube-DeepCore's sensitivity to MSSM-25 neutralino dark matter using extensive parameter scans and comparison with other detection methods.

Findings

IceCube-DeepCore can detect certain models inaccessible to direct detection.

It complements existing dark matter search strategies.

Many models remain undetectable by current collider and indirect detection methods.

Abstract

We analyse the sensitivity of IceCube-DeepCore to annihilation of neutralino dark matter in the solar core, generated within a 25 parameter version of the minimally supersymmetric standard model (MSSM-25). We explore the 25-dimensional parameter space using scanning methods based on importance sampling and using DarkSUSY 5.0.6 to calculate observables. Our scans produced a database of 6.02 million parameter space points with neutralino dark matter consistent with the relic density implied by WMAP 7-year data, as well as with accelerator searches. We performed a model exclusion analysis upon these points using the expected capabilities of the IceCube-DeepCore Neutrino Telescope. We show that IceCube-DeepCore will be sensitive to a number of models that are not accessible to direct detection experiments such as SIMPLE, COUPP and XENON100, indirect detection using Fermi-LAT observations of dwarf spheroidal galaxies, nor to current LHC searches.