Photonic and QCD radiative corrections to Higgs-boson production in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>μ</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow><mml:mrow><mml:msup><mml:mrow><mml:mi>μ</mml:mi></mml:mrow><mml:mrow><mml:mi>−</mml:mi></mml:mrow></mml:msup></mml:mrow><mml:mo>→</mml:mo><mml:mi>f</mml:mi><mml:mrow><mml:mrow><mml:mover><mml:mrow><mml:mi>f</mml:mi></mml:mrow><mml:mrow><mml:mi>¯</mml

Dittmaier, S.; Kaiser, Andreas M.

doi:10.1103/physrevd.65.113003

Cited by 12 publications

(15 citation statements)

References 67 publications

(66 reference statements)

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“…The OS scheme requires that a running width which vanishes at zero-momentum is kept after Dyson resummation. Otherwise an artificial infrared divergence would appear from the contribution of the would-be Goldstone boson in the case with finite fermion mass [28]. The OS scheme also requires the running width to be kept in the propagator during the loop integration in order to describe the resonance correctly without spoiling gauge invariance.…”

Section: Setup and Conventionsmentioning

confidence: 99%

Combining QCD and electroweak corrections to dilepton production in the framework of the FEWZ simulation code

2012

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We combine the next-to-next-to-leading order (NNLO) QCD corrections to lepton-pair production through the Drell-Yan mechanism with the next-to-leading order (NLO) electroweak corrections within the framework of the FEWZ simulation code. Control over both sources of higher-order contributions is necessary for measurements where percent-level theoretical predictions are crucial, and in phase-space regions where the NLO electroweak corrections grow large. The inclusion of both corrections in a single simulation code eliminates the need to separately incorporate such effects as final-state radiation and electroweak Sudakov logarithms when comparing many experimental results to theory. We recalculate the NLO electroweak corrections in the complex-mass scheme for both massless and massive final-state leptons, and modify the QCD corrections in the original FEWZ code to maintain consistency with the complex-mass scheme to the lowest order. We present phenomenological results for LHC studies that include both NNLO QCD and NLO electroweak corrections. In addition, we study several interesting kinematics features induced by experimental cuts in the distribution of photon radiation at the LHC. *

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Section: Setup and Conventionsmentioning

confidence: 99%

Combining QCD and electroweak corrections to dilepton production in the framework of the FEWZ simulation code

2012

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“…The tree-level couplings have been expressed in terms of G µ to encapsulate the leading electroweak correction and the running b-quark mass has been used in the Hbb coupling to absorb the bulk of the QCD corrections. [624].…”

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confidence: 99%

“…4.47c, have been calculated in Ref. [624] with a careful treatment of both the Z and Higgs boson resonances. In the case where no energy resolution is included, the results are shown in Fig.…”

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confidence: 99%

The anatomy of electroweak symmetry breaking

2008

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“…Indeed, at least the degree of freedoms in this limit is not continuous. This behaviour is seen also for observables related to the spin of particles, known as spin-flip effect (see e.g., References [27][28][29][30][31][32][33][34][35][36][37][38]). Fundamentally different Lie group structures for massive and massless particles were investigated in Reference [39], and the considerations in Reference [40] allow for a relation of mass and spin.…”

Section: Discussionmentioning

confidence: 94%

Gauge Dependence of the Gauge Boson Projector

2020

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The propagator of a gauge boson, like the massless photon or the massive vector bosons W± and Z of the electroweak theory, can be derived in two different ways, namely via Green’s functions (semi-classical approach) or via the vacuum expectation value of the time-ordered product of the field operators (field theoretical approach). Comparing the semi-classical with the field theoretical approach, the central tensorial object can be defined as the gauge boson projector, directly related to the completeness relation for the complete set of polarisation four-vectors. In this paper we explain the relation for this projector to different cases of the Rξ gauge and explain why the unitary gauge is the default gauge for massive gauge bosons.

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Photonic and QCD radiative corrections to Higgs-boson production inμ+μ−→ff¯

Cited by 12 publications

References 67 publications

Combining QCD and electroweak corrections to dilepton production in the framework of the FEWZ simulation code

Combining QCD and electroweak corrections to dilepton production in the framework of the FEWZ simulation code

The anatomy of electroweak symmetry breaking

Gauge Dependence of the Gauge Boson Projector

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