Diehl, Markus and Schaefer, Andreas (2011) Theoretical considerations on multiparton interactions in QCD. PHYSICS LETTERS B, 698 (5). pp. 389-402. ISSN 0370-2693,
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We investigate several ingredients for a theory of multiple hard scattering in hadron-hadron collisions. Issues discussed include the space-time structure of multiple interactions, their power behavior, spin and color correlations, interference terms, scale evolution and Sudakov logarithms. We discuss possibilities to constrain multiparton distributions by lattice calculations and by connecting them with generalized parton distributions. We show that the behavior of two-parton distributions at small interparton distances leads to problems with ultraviolet divergences and with double counting, which requires modification of the presently available theoretical framework. (C) 2011 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | GENERALIZED PARTON DISTRIBUTIONS; IMPACT PARAMETER SPACE; HADRONIC COLLISIONS; TRANSVERSE-MOMENTUM; BOSON PRODUCTION; PAIR PRODUCTION; W-BOSON; SCATTERING; EQUATIONS; MODEL; Quantum chromodynamics; Hadron-hadron collisions; Multiple hard scattering; Factorization |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 22 Jun 2020 06:35 |
| Last Modified: | 22 Jun 2020 06:35 |
| URI: | https://pred.uni-regensburg.de/id/eprint/20931 |
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