498 citations
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10 papers · 1 filter
MSSM Higgs Couplings to Bottom Quarks: Two-Loop Corrections
David Noth, Michael Spira
We present the two-loop SUSY-QCD corrections to the effective bottom Yukawa couplings within the minimal supersymmetric extension of the Standard Model. The effective Yukawa coupli…
NLO QCD corrections to pp -> ttbb+X via quark anti-quark annihilation
Axel Bredenstein, Ansgar Denner, Stefan Dittmaier +1
The process pp -> top anti-top bottom anti-bottom + X represents a very important background reaction to searches at the LHC, in particular to top anti-top H production where the H…
Two-Loop Electroweak Corrections to the A^0 gamma gamma and A^0 g g Couplings of the CP-Odd Higgs Boson
Joachim Brod, Frank Fugel, Bernd A. Kniehl
Using the asymptotic-expansion technique, we compute the dominant two-loop electroweak corrections, of O(G_F m_t^2), to production and decay via a pair of photons or gluons of the…
Strong and electroweak NLO corrections to Higgs-boson production in vector-boson fusion at the LHC
Mariano Ciccolini, Ansgar Denner, Stefan Dittmaier
We present results on the strong and electroweak NLO corrections to the production of a Higgs boson plus two hard jets via weak interactions at the LHC. The calculation includes al…
Squark Cascade Decays to Charginos/Neutralinos: Gluon Radiation
Roman Horsky, Michael Krämer, Alexander Mück +1
The momentum spectrum and the polarization of charginos and neutralinos in squark decays are affected by gluon radiation in the decay process \tilde{q} \to q \tildeχ (g). We determ…
Dominant two-loop electroweak corrections to the hadroproduction of a pseudoscalar Higgs boson and its photonic decay
Joachim Brod, Frank Fugel, Bernd A. Kniehl
We present the dominant two-loop electroweak corrections to the partial decay widths to gluon jets and prompt photons of the neutral CP-odd Higgs boson A^0, with mass M_{A^0} < 2 M…