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Top-squark pair production at the LHC: a complete analysis at next-to-leading order


Germer, Jan; Hollik, Wolfgang; Lindert, Jonas M; Mirabella, Edoardo (2014). Top-squark pair production at the LHC: a complete analysis at next-to-leading order. Journal of High Energy Physics:022.

Abstract

We present a complete next-to-leading order study of top-squark pair production at the LHC, including QCD and EW corrections. The calculation is performed within the Minimal Supersymmetric Standard Model and numerical results are presented for parameter regions compatible with the observed Higgs boson. We employ the most recent parton distribution functions including QED corrections and we find NLO EW corrections to the inclusive stop-pair production cross section up to 25-30% compared to the leading-order prediction. Besides corrections to inclusive cross sections also important kinematic distributions are investigated.

Abstract

We present a complete next-to-leading order study of top-squark pair production at the LHC, including QCD and EW corrections. The calculation is performed within the Minimal Supersymmetric Standard Model and numerical results are presented for parameter regions compatible with the observed Higgs boson. We employ the most recent parton distribution functions including QED corrections and we find NLO EW corrections to the inclusive stop-pair production cross section up to 25-30% compared to the leading-order prediction. Besides corrections to inclusive cross sections also important kinematic distributions are investigated.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2014
Deposited On:17 Feb 2015 14:23
Last Modified:14 Feb 2018 23:07
Publisher:Springer
ISSN:1029-8479
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1007/JHEP09(2014)022

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