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A model of non-perturbative gluon emission in an initial state parton shower

2007/12/31 by Stefan Gieseke, Michael H. Seymour, Andrzej Siódmok +1
Mathematics · Physics and Astronomy · #Extrapolation #Gluon #High-Energy Particle Collisions Research #Large Hadron Collider #Mathematics #Momentum (technical analysis) #Non-perturbative #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Parton #Parton shower #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum electrodynamics #Range (aeronautics) #hep-ph

paper · pdf · doi:10.1088/1126-6708/2008/06/001

published as JHEP 0806:001,2008 · 14 pages, 6 figures; version accepted by JHEP

arxiv created 2008/05/27 · openalex publication_date 2008/06/03 · arxiv updated 2009/12/01 · openalex created_date 2020/11/23 · openalex updated_date 2026/08/05

Abstract

We consider a model of transverse momentum production in which non-perturbative smearing takes place throughout the perturbative evolution, by a simple modification to an initial state parton shower algorithm. Using this as the important non-perturbative ingredient, we get a good fit to data over a wide range of energy. Combining it with the non-perturbative masses and cutoffs that are a feature of conventional parton showers also leads to a reasonable fit. We discuss the extrapolation to the LHC.

Citations