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SUMMARY:Heavy neutralinos and dark matter - Aoife Bharucha (Marseille\, CP
 T)
DTSTART:20161007T150000Z
DTEND:20161007T160000Z
UID:TALK66188@talks.cam.ac.uk
CONTACT:Marco Nardecchia
DESCRIPTION:We will discuss the relic density and indirect detection prosp
 ects of TeV-scale wino-like neutralino dark matter in the MSSM. We have re
 cently developed a framework enabling us to calculate the Sommerfeld enhan
 ced relic density in general pMSSM scenarios. We will present the results 
 of a thorough investigation of certain regions of parameter space\, focuss
 ing in particular on departures from the well known pure wino scenario: na
 mely the effect of sfermion masses being non-decoupled and of allowing non
 -negligible higgsino or bino components in the lightest neutralino. The re
 sults reveal a number of phenomenologically interesting but so far unexplo
 red regions of parameter space. Near the region where the Sommerfeld enhan
 cement is resonant\, the combined effect of non-decoupled sfermions and si
 gnificant higgsino-wino mixing allows regions with both the correct relic 
 density and the potential for sizeable but so far un-excluded indirect det
 ection rates.
LOCATION:B1.19\, DAMTP
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