One-loop electroweak Sudakov logarithms: a revisitation and automation
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DOI: 10.1007/jhep02(2022)161
Abstract: Abstract In this work we revisit the algorithm of Denner and Pozzorini for the calculation of one-loop electroweak Sudakov logarithms and we automate it in the MadGraph5_aMC-@NLO framework. We adapt the formulas for modern calculations,… read more here.
Keywords: electroweak sudakov; one loop; loop electroweak; sudakov logarithms ... See more keywords
One-loop amplitudes for N$$ \mathcal{N} $$ = 2 homogeneous supergravities
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DOI: 10.1007/jhep03(2019)153
Abstract: A bstractWe compute one-loop matter amplitudes in homogeneous Maxwell-Einstein supergravities with N$$ \mathcal{N} $$ = 2 supersymmetry using the double-copy construction. We start from amplitudes of N$$ \mathcal{N} $$ = 2 super-Yang-Mills theory with matter… read more here.
Keywords: mathcal homogeneous; loop; amplitudes mathcal; one loop ... See more keywords
All-multiplicity one-loop amplitudes in Born-Infeld electrodynamics from generalized unitarity
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DOI: 10.1007/jhep03(2020)009
Abstract: We initiate a study of non-supersymmetric Born-Infeld electrodynamics in 4d at the quantum level. Explicit all-multiplicity expressions are calculated for the purely rational one-loop amplitudes in the self-dual (+ + … +) and next-to-self-dual (… read more here.
Keywords: electrodynamics; infeld electrodynamics; one loop; loop amplitudes ... See more keywords
The one-loop spectral problem of strongly twisted N$$ \mathcal{N} $$ = 4 Super Yang-Mills theory
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DOI: 10.1007/jhep04(2019)044
Abstract: A bstractWe investigate the one-loop spectral problem of γ-twisted, planar N$$ \mathcal{N} $$ = 4 Super Yang-Mills theory in the double-scaling limit of infinite, imaginary twist angle and vanishing Yang-Mills coupling constant. This non-unitary model… read more here.
Keywords: spectral problem; one loop; loop spectral; mathcal super ... See more keywords
One-loop divergences in 7D Einstein and 6D conformal gravities
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DOI: 10.1007/jhep04(2020)080
Abstract: The aim of this note is to unveil a striking equivalence between the one-loop divergences in 7D Einstein and 6D Conformal Gravities. The particular combination of 6D pointwise Weyl invariants of the 6D Conformal Gravity… read more here.
Keywords: loop divergences; divergences einstein; conformal gravities; one loop ... See more keywords
Universal structure of radiative QED amplitudes at one loop
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DOI: 10.1007/jhep04(2022)097
Abstract: Abstract We present two novel results about the universal structure of radiative QED amplitudes in the soft and in the collinear limit. On the one hand, we extend the well-known Low-Burnett-Kroll theorem to the one-loop… read more here.
Keywords: universal structure; qed amplitudes; radiative qed; qed ... See more keywords
One-loop impact factor for the emission of two gluons
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DOI: 10.1007/jhep06(2021)034
Abstract: Abstract We consider one-loop five-point QCD amplitudes in next-to-multi-Regge kinematics, and evaluate the one-loop impact factor for the emission of two gluons. This is the last ingredient which is necessary to evaluate the gluon-jet impact… read more here.
Keywords: one loop; factor emission; loop impact; impact factor ... See more keywords
Matching scalar leptoquarks to the SMEFT at one loop
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DOI: 10.1007/jhep07(2020)225
Abstract: In this paper we present the complete one-loop matching conditions, up to dimension-six operators of the Standard Model effective field theory, resulting by integrating out the two scalar leptoquarks S 1 ∼ 3 1 1… read more here.
Keywords: leptoquarks smeft; matching scalar; scalar leptoquarks; loop ... See more keywords
Generic one-loop matching conditions for rare meson decays
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DOI: 10.1007/jhep07(2021)230
Abstract: Abstract Leptonic and semileptonic meson decays that proceed via flavour-changing neutral currents provide excellent probes of physics of the standard model and beyond. We present explicit results for the Wilson coefficients of the weak effective… read more here.
Keywords: meson decays; generic one; physics; one loop ... See more keywords
Analytic tadpole coefficients of one-loop integrals
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DOI: 10.1007/jhep09(2021)081
Abstract: Abstract One remaining problem of unitarity cut method for one-loop integral reduction is that tadpole coefficients can not be straightforward obtained through this way. In this paper, we reconsider the problem by applying differential operators… read more here.
Keywords: analytic tadpole; tadpole coefficients; loop integrals; one loop ... See more keywords
One-loop holography with strings in AdS4 × ℂℙ3
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DOI: 10.1007/jhep10(2019)070
Abstract: Abstract We compute the one-loop effective action of string configurations embedded in AdS4 × ℂℙ3 which are dual to $$ \frac{1}{6} $$ 1 6 -BPS latitude Wilson Loops in the ABJM theory. To avoid ambiguities… read more here.
Keywords: strings ads4; loop holography; loop; topology ... See more keywords