2020/05/29 by Marcel Balsiger, Balsiger, Marcel, Thomas Becher +3 · 1 citation
Computer Science · Physics and Astronomy · #Distributed and Parallel Computing Systems #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies
paper · pdf · doi:10.48550/arxiv.2006.00014
openalex publication_date 2020/05/29 · openalex created_date 2022/07/22 · openalex updated_date 2026/07/28
A factorization formalism for jet processes involving massive colored\nparticles such as the top quark is developed, extending earlier results for the\nmassless case. The factorization of soft emissions from the underlying hard\nprocess is implemented in an effective field theory framework, which forms the\nbasis for the resummation of large logarithms. The renormalization group\nevolution giving rise to non-global logarithms is implemented into a parton\nshower code in the large-Nc limit. After a comparison of the massive and\nmassless radiations patterns, the cross section for t\t production with\na veto on additional central jet activity is computed, taking into account\nradiation both from the production and the decay of the top quarks. The\nresummation of the leading logarithms leads to an improved description of ATLAS\nmeasurements at \√(s)=7 , rm TeV.\n