EPJ Web of Conferences
Volume 120, 2016XLV International Symposium on Multiparticle Dynamics (ISMD 2015)
|Number of page(s)||6|
|Section||2 Diffraction and Pomeron|
|Published online||04 July 2016|
Breakdown of QCD factorization in hard diffraction
Departamento de Física, Universidad Técnica Federico Santa María; and Centro Científico-Tecnológico de Valparaíso, Casilla 110-V, Valparaíso Chile
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Published online: 4 July 2016
Factorization of short- and long-distance interactions is severely broken in hard diffractive hadronic collisions. Interaction with the spectator partons leads to an interplay between soft and hard scales, which results in a leading twist behavior of the cross section, on the contrary to the higher twist predicted by factorization. This feature is explicitly demonstrated for diffractive radiation of abelian (Drell-Yan, gauge bosons, Higgs) and non-abelian (heavy flavors) particles.
© Owned by the authors, published by EDP Sciences, 2016
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