Double collinear splitting amplitudes at next-to-leading order
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Double collinear splitting amplitudes at next-to-leading order

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Double collinear splitting amplitudes at next-to-leading order

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Sborlini, Germán F. R.; de Florian, Daniel; Rodrigo García, Germán Vicente
Aquest document és un/a article, creat/da en: 2014
We compute the next-to-leading order (NLO) QCD corrections to the 1 -> 2 splitting amplitudes in different dimensional regularization (DREG) schemes. Besides recovering previously known results, we explore new DREG schemes and analyze their consistency by comparing the divergent structure with the expected behavior predicted by Catani's formula. Through the introduction of scalar-gluons, we show the relation among splittings matrices computed using different schemes. Also, we extended this analysis to cover the double collinear limit of scattering amplitudes in the context of QCD+QED.

    Sborlini, Germán F. R. de Florian, Daniel Rodrigo García, Germán Vicente 2014 Double collinear splitting amplitudes at next-to-leading order Journal Of High Energy Physics 01 1 018-1 018-55
http://dx.doi.org/10.1007/JHEP01(2014)018
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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