Results 11 to 20 of about 4,547 (227)
Pole-skipping of gravitational waves in the backgrounds of four-dimensional massive black holes
European Physical Journal C: Particles and Fields, 2023 Pole-skipping is a property of gravitational waves dictated by their behaviour at horizons of black holes. It stems from the inability to unambiguously impose ingoing boundary conditions at the horizon at an infinite discrete set of Fourier modes.
Sašo Grozdanov, Mile Vrbica
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Journal of High Energy Physics, 2021 We present the first analytic O α s $$ \mathcal{O}\left({\alpha}_s\right) $$ -computation at twist-1,2 of the B ¯ u , d , s $$ {\overline{B}}_{u,d,s} $$ → γ form factors within the framework of sum rules on the light-cone. These form factors describe the
Tadeusz Janowski +2 more
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Boomerang webs up to three-loop order
Journal of High Energy Physics, 2021 Webs are sets of Feynman diagrams which manifest soft gluon exponentiation in gauge theory scattering amplitudes: individual webs contribute to the logarithm of the amplitude and their ultraviolet renormalization encodes its infrared structure.
Einan Gardi +6 more
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Correlation of theoretical uncertainties in PDF fits and theoretical uncertainties in predictions
European Physical Journal C: Particles and Fields, 2021 We show how to account for correlations between theoretical uncertainties incorporated in parton distribution function (PDF) fits, and the theoretical uncertainties in the predictions made using these PDFs.
Richard D. Ball, Rosalyn L. Pearson
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The scale of new physics from the Higgs couplings to γγ and γZ
Journal of High Energy Physics, 2022 Measuring the Higgs couplings accurately at colliders is one of the best routes for finding physics Beyond the Standard Model (BSM). If the measured couplings deviate from the SM predictions, then this would give rise to energy-growing processes that ...
Fayez Abu-Ajamieh
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Classical Yang-Mills observables from amplitudes
Journal of High Energy Physics, 2020 The double copy suggests that the basis of the dynamics of general relativity is Yang-Mills theory. Motivated by the importance of the relativistic two-body problem, we study the classical dynamics of colour-charged particle scattering from the ...
Leonardo de la Cruz +3 more
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Nuclear uncertainties in the determination of proton PDFs
European Physical Journal C: Particles and Fields, 2019 We show how theoretical uncertainties due to nuclear effects may be incorporated into global fits of proton parton distribution functions (PDFs) that include deep-inelastic scattering and Drell–Yan data on nuclear targets.
Richard D. Ball +2 more
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HIGGS PHYSICS AND SUPERSYMMETRY [PDF]
International Journal of Modern Physics A, 2012 A brief overview of Higgs physics and of supersymmetry is given. The central theme of the overview is to explore the implications of the recent discovery of a Higgs-like particle regarding the prospects for the discovery of supersymmetry assuming that it is indeed the spin-0 CP even boson that enters in the spontaneous breaking of the electroweak ...
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Bayesian approach to inverse problems: an application to NNPDF closure testing
European Physical Journal C: Particles and Fields, 2022 We discuss the Bayesian approach to the solution of inverse problems and apply the formalism to analyse the closure tests performed by the NNPDF collaboration.
Luigi Del Debbio +2 more
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Directly probing the Higgs-top coupling at high scales
Physics Letters B, 2022 We explore the sensitivity to new physics for the coupling of the Higgs boson (h) and top quark (t) at high energy scales with the process pp→tt¯h at the high-luminosity LHC.
Roshan Mammen Abraham +4 more
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