The Discreet Charm of Higgsino Dark Matter: A Pocket Review

Figure 4

(a) Spin-independent neutralino-nucleon cross section rescaled by the relic abundance, as a function of neutralino mass , for a nearly pure higgsino with CMSSM/mSUGRA boundary conditions subject to and LHC Higgs bounds. Solid lines show the 90% CL upper bounds from PandaX-II [74] (maroon) and XENON1T [75] (LUX [76]) (blue). Dot-dashed lines show the projected reach for DEAP-3600 [77] (orange), XENON1T/nT [78] (blue), DarkSide G2 [79] (maroon), LZ [80] (black), DARWIN (purple) [81]. Thin solid black line shows the current lower bound on mass from direct searches at the LHC [82, 83]. (b) Rescaled spin-dependent neutralino nucleon cross section as a function of neutralino mass , for the a nearly pure higgsino in the CMSSM/mSUGRA. Solid lines show the 90% CL indirect upper bounds from IceCube [84] (green) and Antares [85] (red). Dashed lines show projections for LZ [86] (violet), XENON1T [78] (purple), Pico-500 [87] (blue), and DARWIN [81] (black).

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