Search Results - "Magnea, Lorenzo"
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Non-abelian infrared divergences on the celestial sphere
Published in The journal of high energy physics (01-05-2021)“…A bstract We consider the infrared factorisation of non-abelian multi-particle scattering amplitudes, and we study the form of the universal colour operator…”
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2
Integration-by-parts identities and differential equations for parametrised Feynman integrals
Published in The journal of high energy physics (15-03-2024)“…A bstract Integration-by-parts (IBP) identities and differential equations are the primary modern tools for the evaluation of high-order Feynman integrals…”
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3
Cwebs beyond three loops in multiparton amplitudes
Published in The journal of high energy physics (01-03-2021)“…A bstract Correlators of Wilson-line operators in non-abelian gauge theories are known to exponentiate, and their logarithms can be organised in terms of…”
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4
Next-to-eikonal corrections to soft gluon radiation: a diagrammatic approach
Published in The journal of high energy physics (01-01-2011)“…We consider the problem of soft gluon resummation for gauge theory amplitudes and cross sections, at next-to-eikonal order, using a Feynman diagram approach…”
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5
Multiparton webs beyond three loops
Published in The journal of high energy physics (01-05-2020)“…A bstract Correlators of Wilson-line operators are fundamental ingredients for the study of the infrared properties of non-abelian gauge theories. In…”
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6
Analytic integration of soft and collinear radiation in factorised QCD cross sections at NNLO
Published in The journal of high energy physics (01-02-2021)“…A bstract Within the framework of local analytic sector subtraction, we present the full analytic integration of double-real and real-virtual local infrared…”
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7
Strongly-ordered infrared counterterms from factorisation
Published in The journal of high energy physics (05-06-2024)“…A bstract In the context of infrared subtraction algorithms beyond next-to-leading order, it becomes necessary to consider multiple infrared limits of…”
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8
NNLO subtraction for any massless final state: a complete analytic expression
Published in The journal of high energy physics (17-07-2023)“…A bstract We use the Local Analytic Sector Subtraction scheme to construct a completely analytic set of expressions implementing a fully local infrared…”
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9
On soft singularities at three loops and beyond
Published in The journal of high energy physics (01-02-2010)“…We report on further progress in understanding soft singularities of massless gauge theory scattering amplitudes. Recently, a set of equations was derived…”
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10
Erratum to: NNLO subtraction for any massless final state: a complete analytic expression
Published in The journal of high energy physics (03-05-2024)Get full text
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11
The infrared structure of gauge theory amplitudes in the high-energy limit
Published in The journal of high energy physics (01-12-2011)“…A bstract We develop an approach to the high-energy limit of gauge theories based on the universal properties of their infrared singularities. Our main tool is…”
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12
The infrared structure of perturbative gauge theories
Published in Physics reports (05-01-2023)“…Infrared divergences in the perturbative expansion of gauge theory amplitudes and cross sections have been a focus of theoretical investigations for almost a…”
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13
Analyzing high-energy factorization beyond next-to-leading logarithmic accuracy
Published in The journal of high energy physics (01-02-2015)“…A bstract We provide a complete and detailed study of the high-energy limit of four-parton scattering amplitudes in QCD, giving explicit results at two loops…”
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14
On next-to-eikonal corrections to threshold resummation for the Drell–Yan and DIS cross sections
Published in Physics letters. B (06-11-2008)“…We study corrections suppressed by one power of the soft gluon energy to the resummation of threshold logarithms for the Drell–Yan cross section and for Deep…”
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15
High-energy QCD amplitudes at two loops and beyond
Published in Physics letters. B (01-05-2014)“…Recent progress in our understanding of infrared singularities of multi-parton amplitudes has shown that the simplest form of Regge factorization for…”
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16
Threshold resummation for electroweak annihilation from DIS data
Published in Physics letters. B (12-01-2006)“…We show that higher-order coefficients required to perform threshold resummation for electroweak annihilation processes, such as Drell–Yan or Higgs production…”
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17
Two-loop Yang-Mills diagrams from superstring amplitudes
Published in The journal of high energy physics (01-06-2015)“…A bstract Starting from the superstring amplitude describing interactions among D-branes with a constant world-volume field strength, we present a detailed…”
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18
Multiple gluon exchange webs
Published in The journal of high energy physics (01-10-2014)“…A bstract Webs are weighted sets of Feynman diagrams which build up the logarithms of correlators of Wilson lines, and provide the ingredients for the…”
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19
Multi-loop open string amplitudes and their field theory limit
Published in The journal of high energy physics (01-09-2013)“…A bstract We study the field theory limit of multi-loop (super)string amplitudes, with the aim of clarifying their relationship to Feynman diagrams describing…”
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20
Analytic resummation for the quark form factor in QCD
Published in Nuclear physics. B (15-01-2001)“…The quark form factor is known to exponentiate within the framework of dimensionally regularized perturbative QCD. The logarithm of the form factor is…”
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