Results 1 to 10 of about 1,867 (174)
Initial conditions for electron and photon structure and fragmentation functions
Journal of High Energy Physics, 2019 In the computation of short-distance cross sections initiated by electrons and photons one can adopt the so-called structure-function approach, in which these particles play formally the same roles as hadrons do in QCD factorisation theorems, and must ...
S. Frixione
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Increasing the precision for Z production at colliders: mixed QCD-QED effects [PDF]
Proceedings of European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2019), 2020 In this talk, we describe the recent progress on the inclusion of mixed QCD-QED corrections for collider observables. In particular, we developed a formalism to extend $q_T$-resummation to deal with simultaneous emission of gluons and photons. We applied it to $Z$ production at colliders, and briefly discuss extensions to more complicated final states.
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High precision tests of QED and physics beyondthe standard model
The European Physical Journal C, 1998 12 pages, LaTeX, minor changes included, to appear in Zeit.
Escribano, Rafel, Massó i Soler, Eduard
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On factorisation schemes for the electron parton distribution functions in QED
Journal of High Energy Physics, 2021 The electron, positron, and photon Parton Distribution Functions (PDFs) of the unpolarised electron have recently been computed at the next-to-leading logarithmic accuracy in QED, by adopting the MS ¯ $$ \overline{\mathrm{MS}} $$ factorisation scheme. We
S. Frixione
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Radiative corrections to the forward-backward asymmetry in e + e − → π + π −
Journal of High Energy Physics, 2022 We present a calculation of the C-odd radiative corrections to e + e − → π + π − in a dispersive formalism, concentrating on the leading pion-pole contribution in the virtual box diagrams.
Gilberto Colangelo +3 more
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PROBING HIGH-ENERGY PHYSICS WITH HIGH-PRECISION QED MEASUREMENTS [PDF]
HEP-MAD '01, 2002 I summarize our self-contained determinations of the lowest order hadronic contributions to the anomalous magnetic moments a_{μ,τ} of the muon and tau leptons, the running QED coupling α(M_Z) and the muonium hyperfine splitting ν. Using as a revised estimate of the light-by light scattering: a_μ(LL)=85(18) 10^{-11}, we deduce: a_μ^{SM} = 116 591 861(78)
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Unveiling atomic electron motion effects in e + e − high energy collisions at NA64
Journal of High Energy PhysicsAtomic electron motion is responsible for well-studied effects observed in low-energy (MeV-scale) processes. Recently, interest in this phenomenon has also emerged within the high-energy physics community, due to its potential to increase significantly ...
Fernando Arias-Aragón +2 more
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Advanced Science, EarlyView.SMarT‐Diff introduces a multi‐objective generative paradigm that integrates scaffold hopping with structure‐aware scoring to enable controlled exploration beyond the training distribution. The framework consistently balances drug‐likeness, synthesizes accessibility and bioactivity, yielding chemically diverse candidates with enhanced properties.
Yuwei Yang +8 more
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Two-loop master integrals for heavy-to-light form factors of two different massive fermions
Journal of High Energy Physics, 2018 We calculate the full set of the two-loop master integrals for heavy-to-light form factors of two different massive fermions for arbitrary momentum transfer in NNLO QCD or QED corrections.
Long-Bin Chen
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Volumetric analysis of root coverage with porcine acellular dermal matrix: Case study
Clinical Advances in Periodontics, EarlyView.Abstract Background Gingival recession is prevalent and often treated with coronally advanced flap plus connective tissue graft (CAF+CTG). Porcine acellular dermal matrix (PADM) offers a donor‐site‐free alternative. Contemporary digital imaging allows minimally invasive, three‐dimensional (3D) soft‐tissue assessment. This case report quantified 3D soft‐
Edgar Daniel Vargas‐Quiroga +4 more
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