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Supersymmetric Higgs Yukawa couplings to bottom quarks at next-to-next-to-leading order

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Publication date 2011
Author Noth David, Spira Michael,
Project Supersymmetrische Präzisionsrechnungen zu Higgs-Yukawakopplungen
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Original article (peer-reviewed)

Journal Journal of High Energy Physics
Volume (Issue) 2011(6)
Page(s) 084-1 - 084-27
Title of proceedings Journal of High Energy Physics
DOI 10.1007/JHEP06(2011)084

Open Access

URL http://link.springer.com/article/10.1007%2FJHEP06%282011%29084
Type of Open Access Publisher (Gold Open Access)

Abstract

The effective bottom Yukawa couplings are analyzed for the minimal supersymmetric extension of the Standard Model at two-loop accuracy within SUSY-QCD. They include the resummation of the dominant corrections for large values of tgβ. In particular the two-loop SUSY-QCD corrections to the leading SUSY-QCD and top-induced SUSYelectroweak contributions are addressed. The residual theoretical uncertainties range at the per-cent level. © SISSA 2011.
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