Resonant scattering and recombination of pseudo-degenerate WIMPs

          @misc{ scivideos_PIRSA:08060139,
            doi = {10.48660/08060139},
            url = {https://pirsa.org/08060139},
            author = {Ritz, Adam},
            keywords = {Quantum Fields and Strings, Particle Physics, Cosmology},
            language = {en},
            title = {Resonant scattering and recombination of pseudo-degenerate WIMPs},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2008},
            month = {jun},
            note = {PIRSA:08060139 see, \url{https://scivideos.org/pirsa/08060139}}
          }
          

Abstract

WIMP dark matter candidates chi^0 have interesting signatures for direct and indirect detection in regimes where there is a near degeneracy with a heavier charged state chi^{pm}, as occurs for example along the boundary of the coannihilation strip in the CMSSM. For small splittings of O(10) MeV, the scattering of WIMPs off nuclei may be dominated by inelastic recombination processes mediated by the formation of (chi^- N) bound states, leading for example to a distinct signature for direct detection. I will discuss these and other resonant processes that distinguish the detection signatures of this class of WIMP scenarios.