Calculations of relic densities in the early universe

Mark Srednicki, Richard Watkins, Keith A. Olive

Research output: Contribution to journalArticlepeer-review

306 Scopus citations

Abstract

The cosmological relic densities of stable particles are calculated to high precision. The results depend on assumptions made about the quark-hadron phase transition. We discuss in detail the calculation of the thermally averaged annihilation cross section. We consider the specific cases of photinos, higgsinos, and Dirac and Majorana neutrinos.

Original languageEnglish (US)
Pages (from-to)693-713
Number of pages21
JournalNuclear Physics, Section B
Volume310
Issue number3-4
DOIs
StatePublished - Dec 12 1988

Bibliographical note

Funding Information:
The work of M.S. and R.W. was supported in part by NSF Grant No. PHY-86-14185. M.S. also acknowledges the receipt of a Research Fellowship from the Alfred P. Sloan Foundation. The work of K.A.O. was supported in part by DOE Grant No. DE-AC02-83ER-40105, and by a Presidential Young Investigator Award.

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