WIMP abundance and lepton (flavour) asymmetry

Stuke M, Schwarz D, Starkman G (2012)
Journal of Cosmology and Astroparticle Physics 2012(03): 040.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
We investigate how large lepton asymmetries affect the evolution of the earlyuniverse at times before big bang nucleosynthesis and in particular how theyinfluence the relic density of WIMP dark matter. In comparison to the standardcalculation of the relic WIMP abundance we find a decrease, depending on thelepton flavour asymmetry. We find an effect of up to 20 per cent for leptonflavour asymmetries $l_f= {\cal O}(0.1)$.
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Zeitschriftentitel
Journal of Cosmology and Astroparticle Physics
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2012
Zeitschriftennummer
03
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040
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Stuke M, Schwarz D, Starkman G. WIMP abundance and lepton (flavour) asymmetry. Journal of Cosmology and Astroparticle Physics. 2012;2012(03):040.
Stuke, M., Schwarz, D., & Starkman, G. (2012). WIMP abundance and lepton (flavour) asymmetry. Journal of Cosmology and Astroparticle Physics, 2012(03), 040. doi:10.1088/1475-7516/2012/03/040
Stuke, M., Schwarz, D., and Starkman, G. (2012). WIMP abundance and lepton (flavour) asymmetry. Journal of Cosmology and Astroparticle Physics 2012, 040.
Stuke, M., Schwarz, D., & Starkman, G., 2012. WIMP abundance and lepton (flavour) asymmetry. Journal of Cosmology and Astroparticle Physics, 2012(03), p 040.
M. Stuke, D. Schwarz, and G. Starkman, “WIMP abundance and lepton (flavour) asymmetry”, Journal of Cosmology and Astroparticle Physics, vol. 2012, 2012, pp. 040.
Stuke, M., Schwarz, D., Starkman, G.: WIMP abundance and lepton (flavour) asymmetry. Journal of Cosmology and Astroparticle Physics. 2012, 040 (2012).
Stuke, Maik, Schwarz, Dominik, and Starkman, Glenn. “WIMP abundance and lepton (flavour) asymmetry”. Journal of Cosmology and Astroparticle Physics 2012.03 (2012): 040.

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