Perturbative QCD correlations in multi-parton collisions

We examine the role played in double-parton interactions (DPI) by the parton–parton correlations originating from perturbative QCD parton splittings. Also presented are the results of the numerical analysis of the integrated DPI cross sections at Tevatron and LHC energies. To obtain the numerical re...

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Veröffentlicht in:The European physical journal. C, Particles and fields Particles and fields, 2014-06, Vol.74 (6), p.1-15, Article 2926
Hauptverfasser: Blok, B., Dokshitzer, Yu, Frankfurt, L., Strikman, M.
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container_title The European physical journal. C, Particles and fields
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creator Blok, B.
Dokshitzer, Yu
Frankfurt, L.
Strikman, M.
description We examine the role played in double-parton interactions (DPI) by the parton–parton correlations originating from perturbative QCD parton splittings. Also presented are the results of the numerical analysis of the integrated DPI cross sections at Tevatron and LHC energies. To obtain the numerical results the knowledge of the single-parton GPDs gained by the HERA experiments was used to construct the non-perturbative input for generalized double-parton distributions . The perturbative two-parton correlations induced by three-parton interactions contribute significantly to a resolution of the longstanding puzzle of an excess of multi-jet production events in the back-to-back kinematics observed at the Tevatron.
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subjects Astronomy
Astrophysics and Cosmology
Collisions
Correlation
Cross sections
Elementary Particles
Hadrons
Heavy Ions
Kinematics
Mathematical models
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Numerical analysis
Partons
Physics
Physics and Astronomy
Quantum chromodynamics
Quantum Field Theories
Quantum Field Theory
Regular Article - Theoretical Physics
Splitting
String Theory
title Perturbative QCD correlations in multi-parton collisions
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