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, 2009
"... The high energy behaviour of electroweak corrections to gauge boson pair production at LHC can be derived in the framework of evolution equations up to NNLL contributions to all order in perturbation theory. On the basis of this general result we derive the one and twoloop cross section in NNLL ap ..."
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The high energy behaviour of electroweak corrections to gauge boson pair production at LHC can be derived in the framework of evolution equations up to NNLL contributions to all order in perturbation theory. On the basis of this general result we derive the one and twoloop cross section in NNLL approximation for Wpair production at partonic and hadronic level. PoS(EPSHEP 2009)345
European Physical Society Europhysics Conference on High Energy Physics, EPSHEP 2009,
, 2009
"... The high energy behaviour of electroweak corrections to gauge boson pair production at LHC can be derived in the framework of evolution equations up to NNLL contributions to all order in perturbation theory. On the basis of this general result we derive the one and twoloop cross section in NNLL ap ..."
Abstract
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The high energy behaviour of electroweak corrections to gauge boson pair production at LHC can be derived in the framework of evolution equations up to NNLL contributions to all order in perturbation theory. On the basis of this general result we derive the one and twoloop cross section in NNLL approximation for Wpair production at partonic and hadronic level.
Theory to Phenomenology),
, 2009
"... We present the complete twoloop electroweak corrections to gg → H, the main partonic channel for the production of the Higgs boson at hadron colliders. The evaluation is based on a numerical approach and the result covers all kinematical regions, including WW and ZZ thresholds, by introducing compl ..."
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We present the complete twoloop electroweak corrections to gg → H, the main partonic channel for the production of the Higgs boson at hadron colliders. The evaluation is based on a numerical approach and the result covers all kinematical regions, including WW and ZZ thresholds, by introducing complex masses for the W and the Z bosons. Furthermore the relation between physical observables measured at LHC and Tevatron and Higgs pseudoobservables (production cross section and partial decay widths) is revised by extensively using the notion of the Higgs complex pole. Numerical effects for the Higgs production cross section are presented.
NLO Electroweak Corrections to Higgs Boson Production at Hadron Phys
 Lett. B
"... Results for the complete NLO electroweak corrections to Standard Model Higgs production via gluon fusion are included in the total cross section for hadronic collisions. Artificially large threshold effects are avoided working in the complexmass scheme. The numerical impact at LHC (Tevatron) energi ..."
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Cited by 23 (4 self)
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Results for the complete NLO electroweak corrections to Standard Model Higgs production via gluon fusion are included in the total cross section for hadronic collisions. Artificially large threshold effects are avoided working in the complexmass scheme. The numerical impact at LHC (Tevatron) energies is explored for Higgs mass values up to 500 GeV (200 GeV). Assuming a complete factorization of the electroweak corrections, one finds a + 5 % shift with respect to the NNLO QCD cross section for a Higgs mass of 120 GeV both at the LHC and the Tevatron. Adopting two different factorization schemes for the electroweak effects, an estimate of the corresponding total theoretical uncertainty is computed.
Complete Electroweak Corrections to Higgs production in a Standard Model with four generations at the LHC, Phys.Lett. B706
, 2011
"... ar ..."
DESY 06121 Two Loop QFT in the Making
, 2006
"... Recent developments in the evaluation of twoloop pseudoobservables and observables are briefly reviewed. ..."
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Recent developments in the evaluation of twoloop pseudoobservables and observables are briefly reviewed.
TwoLoop Threshold Singularities, Unstable Particles and Complex Masses ‡‡
, 2008
"... The effect of threshold singularities induced by unstable particles on twoloop observables is investigated and it is shown how to cure them working in the complexmass scheme. The impact on radiative corrections around thresholds is thoroughly analyzed and shown to be relevant for two selected LHC ..."
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Cited by 5 (4 self)
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The effect of threshold singularities induced by unstable particles on twoloop observables is investigated and it is shown how to cure them working in the complexmass scheme. The impact on radiative corrections around thresholds is thoroughly analyzed and shown to be relevant for two selected LHC and ILC applications: Higgs production via gluon fusion and decay into two photons at two loops in the Standard Model. Concerning Higgs production, it is essential to understand possible sources of large corrections in addition to the wellknown QCD effects. It is shown that NLO electroweak corrections can incongruently reach a 10 % level around the WW vectorboson threshold without a complete implementation of the complexmass scheme in the twoloop calculation.
Loops and Legs in Quantum Field Theory
, 2014
"... An interesting question is how present and future experiments will be able to probe the couplings of the Higgs boson and its intrinsic width at a high level of precision. There is a wide variety of beyond the Standard Model (BSM) theories where the Higgs couplings differ from the Standard Model (SM) ..."
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An interesting question is how present and future experiments will be able to probe the couplings of the Higgs boson and its intrinsic width at a high level of precision. There is a wide variety of beyond the Standard Model (BSM) theories where the Higgs couplings differ from the Standard Model (SM) ones by less that 10%. We take the SM as the theory of “light ” degrees of freedom, i.e. d = 4 operators and simulate the unknown extension of the SM by the most general set of d = 6 operators. In particular we provide an explicit example of momentumdependent modification of Higgs couplings.
unknown title
, 2014
"... oS(LL2014)058 Electroweak corrections to hadronic Z + 2 jets production Ansgar Denner∗ ..."
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oS(LL2014)058 Electroweak corrections to hadronic Z + 2 jets production Ansgar Denner∗
Results 1  10
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28