Elements of a theory for multiparton interactions in QCD

We perform a detailed investigation of multiple hard interactions in hadron-hadron collisions. We discuss the space-time, spin and color structure of multiple interactions, classify different contributions according to their power behavior and provide several elements required for establishing all-o...

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Bibliographic Details
Published in:arXiv.org 2016-02
Main Authors: Diehl, Markus, Ostermeier, Daniel, Schafer, Andreas
Format: Article
Language:English
Subjects:
Logarithms
Mathematical analysis
Quantum chromodynamics
Online Access:Get full text
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Summary:We perform a detailed investigation of multiple hard interactions in hadron-hadron collisions. We discuss the space-time, spin and color structure of multiple interactions, classify different contributions according to their power behavior and provide several elements required for establishing all-order factorization. This also allows us to analyze the structure of Sudakov logarithms in double hard scattering. We show how multiparton distributions can be constrained by lattice calculations, by connecting them with generalized parton distributions, and by calculating their behavior at large transverse parton momenta.
ISSN:2331-8422
DOI:10.48550/arxiv.1111.0910