Search Results - "Colangelo, Gilberto"
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Two-pion contribution to hadronic vacuum polarization
Published in The journal of high energy physics (01-02-2019)“…A bstract We present a detailed analysis of e + e − → π + π − data up to s = 1 GeV in the framework of dispersion relations. Starting from a family of ππ P…”
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Dispersion relation for hadronic light-by-light scattering: two-pion contributions
Published in The journal of high energy physics (01-04-2017)“…A bstract In this third paper of a series dedicated to a dispersive treatment of the hadronic light-by-light (HLbL) tensor, we derive a partial-wave…”
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Constraints on the two-pion contribution to hadronic vacuum polarization
Published in Physics letters. B (01-03-2021)“…At low energies hadronic vacuum polarization (HVP) is strongly dominated by two-pion intermediate states, which are responsible for about 70% of the HVP…”
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Longitudinal short-distance constraints for the hadronic light-by-light contribution to (g − 2)μ with large-Nc Regge models
Published in The journal of high energy physics (17-03-2020)“…A bstract While the low-energy part of the hadronic light-by-light (HLbL) tensor can be constrained from data using dispersion relations, for a full evaluation…”
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Rescattering Effects in the Hadronic-Light-by-Light Contribution to the Anomalous Magnetic Moment of the Muon
Published in Physical review letters (09-06-2017)“…We present a first model-independent calculation of ππ intermediate states in the hadronic-light-by-light (HLBL) contribution to the anomalous magnetic moment…”
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Dispersion relation for hadronic light-by-light scattering: theoretical foundations
Published in The journal of high energy physics (01-09-2015)“…A bstract In this paper we make a further step towards a dispersive description of the hadronic light-by-light (HLbL) tensor, which should ultimately lead to a…”
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Isospin-breaking effects in the two-pion contribution to hadronic vacuum polarization
Published in The journal of high energy physics (05-10-2022)“…A bstract Isospin-breaking (IB) effects in the two-pion contribution to hadronic vacuum polarization (HVP) can be resonantly enhanced, if related to the…”
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Data-driven approaches to the evaluation of hadronic contributions to the ( g − 2) μ
Published in EPJ Web of conferences (2022)“…In this talk I reviewed the data-driven theoretical calculation of the hadronic contributions to the anomalous magnetic moment of the muon in the Standard…”
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Towards a data-driven analysis of hadronic light-by-light scattering
Published in Physics letters. B (10-11-2014)“…The hadronic light-by-light contribution to the anomalous magnetic moment of the muon was recently analyzed in the framework of dispersion theory, providing a…”
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Chiral extrapolation of hadronic vacuum polarization
Published in Physics letters. B (10-02-2022)“…We study the pion-mass dependence of the two-pion channel in the hadronic-vacuum-polarization (HVP) contribution to the anomalous magnetic moment of the muon…”
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Erratum to: Radiative corrections to the forward-backward asymmetry in e+e−→ π+π
Published in The journal of high energy physics (25-09-2024)Get full text
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Radiative corrections to the forward-backward asymmetry in e+e− → π+π
Published in The journal of high energy physics (30-08-2022)“…A bstract 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…”
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Finite volume effects for meson masses and decay constants
Published in Nuclear physics. B (15-08-2005)“…We present a detailed numerical study of finite volume effects for masses and decay constants of the octet of pseudoscalar mesons. For this analysis we use…”
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Dispersive analysis of $$\eta \rightarrow 3 \pi
Published in The European physical journal. C, Particles and fields (01-11-2018)“…Here, the dispersive analysis of the decay $η\to3π$ is reviewed and thoroughly updated with the aim of determining the quark mass ratio…”
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Dispersion relations for hadronic light-by-light and the muon g − 2
Published in EPJ Web of Conferences (2020)“…The largest uncertainties in the Standard Model calculation of the anomalous magnetic moment of the muon (g−2) µ come from hadronic effects, namely hadronic…”
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Journal Article Conference Proceeding -
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Hadronic light-by-light contribution to (g - 2) μ : a dispersive approach
Published in EPJ Web of Conferences (01-01-2018)“…After a brief introduction on ongoing experimental and theoretical activities on ( g - 2) μ , we report on recent progress in approaching the calculation of…”
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Journal Article Conference Proceeding -
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Finite volume effects for the pion mass at two loops
Published in Nuclear physics. B (05-06-2006)“…We evaluate the pion mass in finite volume to two loops within chiral perturbation theory. The results are compared with a recently proposed extension of the…”
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Dispersion relations for hadronic light-by-light scattering and the muon g – 2
Published in EPJ Web of Conferences (01-01-2018)“…The largest uncertainties in the Standard Model calculation of the anomalous magnetic moment of the muon ( g – 2) μ come from hadronic effects, and in a few…”
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Journal Article Conference Proceeding -
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Dispersion relation for hadronic light-by-light scattering
Published in EPJ Web of Conferences (01-01-2016)“…The largest uncertainties in the Standard Model calculation of the anomalous magnetic moment of the muon (g − 2)μ come from hadronic contributions. In…”
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Journal Article Conference Proceeding -
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Dispersive approach to hadronic light-by-light scattering and the muon ɡ − 2
Published in EPJ Web of conferences (2014)“…The largest uncertainties in the Standard Model calculation of the anomalous magnetic moment of the muon (g - 2) mu come from hadronic contributions. In…”
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