Radiation of Supersymmetric Particles from Aharonov-Bohm R-string

Abstract

We study radiation of supersymmetric particles from an Aharonov-Bohm string associated with a discrete R-symmetry. Radiation of the lightest supersymmetric particle, when combined with the observed dark matter density, imposes constraints on the string tension or the freeze-out temperature of the particle. We also calculate the amplitude for Aharonov-Bohm radiation of massive spin $3/2$ particles.

Comments: 18 pages, 2 figures, v2: typos corrected,v3: section 3.2 and appendix B added