# Thermal right-handed neutrino production rate in the non-relativistic regime

Laine M, Schroeder Y (2012)
JHEP 2012(2): 068.

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Zeitschriftenaufsatz | Englisch
Autor
Abstract / Bemerkung
We consider the next-to-leading order thermal production rate of heavyright-handed neutrinos in the non-relativistic regime m_top < pi*T << M, wherem_top refers to the electroweak scale. Rephrasing the problem in an OPElanguage and making use of different techniques than a previous analysis bySalvio et al, we confirm the general structure of their result and many of thecoefficients. We also extend the analysis to the next order in thenon-relativistic expansion, thereby revealing the leading non-trivial momentumdependence, as well as to NNLO in couplings, revealing the leading sensitivityto thermal resummations. Our results are expressed as a sum of simple "master"structures, which renders them a suitable starting point for determining thenext-to-leading order rate also in the relativistic regime pi*T ~ M.
Erscheinungsjahr
Zeitschriftentitel
JHEP
Band
2012
Zeitschriftennummer
2
Seite
068
ISSN
eISSN
PUB-ID

### Zitieren

Laine M, Schroeder Y. Thermal right-handed neutrino production rate in the non-relativistic regime. JHEP. 2012;2012(2):068.
Laine, M., & Schroeder, Y. (2012). Thermal right-handed neutrino production rate in the non-relativistic regime. JHEP, 2012(2), 068. doi:10.1007/JHEP02(2012)068
Laine, M., and Schroeder, Y. (2012). Thermal right-handed neutrino production rate in the non-relativistic regime. JHEP 2012, 068.
Laine, M., & Schroeder, Y., 2012. Thermal right-handed neutrino production rate in the non-relativistic regime. JHEP, 2012(2), p 068.
M. Laine and Y. Schroeder, “Thermal right-handed neutrino production rate in the non-relativistic regime”, JHEP, vol. 2012, 2012, pp. 068.
Laine, M., Schroeder, Y.: Thermal right-handed neutrino production rate in the non-relativistic regime. JHEP. 2012, 068 (2012).
Laine, Mikko, and Schroeder, York. “Thermal right-handed neutrino production rate in the non-relativistic regime”. JHEP 2012.2 (2012): 068.

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arXiv: 1112.1205

Inspire: 1080134