2013•Unpublished venueRequires access

Gaugino and higgsino coannihilations. i: Neutralino neutralino interactions

Andreas Birkedal-Hansen, E. Jeong

Abstract

Abstract: We present exact analytic cross sections for all neutralino-neutralino coannihilations into two-body tree level final states. These expressions allow the calculation of important contributions to the neutralino relic abundance over large regions of mSUGRA parameter space and are particularly useful in theories with non-universal gaugino masses.

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Available abstract

Key concepts: Neutralino, Gaugino, Higgsino, Particle physics, Physics, Supersymmetry