Relic densities of neutralinos

John McDonald, Keith A. Olive, Mark Srednicki

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

The cosmological relic density of the lightest supersymmetric particle, assumed to be a linear combination of the four neutralinos, is calculated to high precision using the exact tree-level annihilation cross section for all two-body final states.

Original languageEnglish (US)
Pages (from-to)80-84
Number of pages5
JournalPhysics Letters B
Volume283
Issue number1-2
DOIs
StatePublished - Jun 4 1992

Bibliographical note

Funding Information:
We thankA . Srivistavafo r helpfuld iscussionsT.h e work of J.M. and K.A.O. was supportedin part by DOE Grant No. DE-AC02-83ER-40105a,n d by a PresidentiaYlo ungI nvestigatoArw ard.T he work of M.S. wass upporteidn partb y NSF GrantN o. PHY-86-14185.

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