Calculations of relic densities in the early universe

Mark Srednicki; Richard Watkins; Keith A. Olive

doi:10.1016/0550-3213(88)90099-5

Calculations of relic densities in the early universe

Mark Srednicki, Richard Watkins, Keith A. Olive

Physics and Astronomy (Twin Cities)

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337 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 language	English (US)
Pages (from-to)	693-713
Number of pages	21
Journal	Nuclear Physics, Section B
Volume	310
Issue number	3-4
DOIs	https://doi.org/10.1016/0550-3213(88)90099-5
State	Published - 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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AU - Watkins, Richard

AU - Olive, Keith A.

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PY - 1988/12/12

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N2 - 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.

AB - 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.

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Calculations of relic densities in the early universe

Abstract

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