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
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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