Factorization and resummation for massive quark effects in exclusive Drell-Yan

Author(s)
Piotr Pietrulewicz, Daniel Samitz, Anne Spiering, Frank J. Tackmann
Abstract

Exclusive differential spectra in color-singlet processes at hadron colliders are benchmark observables that have been studied to high precision in theory and experiment. We present an effective-theory framework utilizing soft-collinear effective theory to incorporate massive (bottom) quark effects into resummed differential distributions, accounting for both heavy-quark initiated primary contributions to the hard scattering process as well as secondary effects from gluons splitting into heavy-quark pairs. To be specific, we focus on the Drell-Yan process and consider the vector-boson transverse momentum, qT, and beam thrust, T, as examples of exclusive observables. The theoretical description depends on the hierarchy between the hard, mass, and the qT (or T) scales, ranging from the decoupling limit qT

Organisation(s)
Particle Physics
External organisation(s)
Deutsches Elektronen-Synchrotron DESY, Humboldt-Universität zu Berlin
Journal
Journal of High Energy Physics
No. of pages
72
ISSN
1029-8479
DOI
https://doi.org/10.1007/JHEP08(2017)114
Publication date
08-2017
Peer reviewed
Yes
Austrian Fields of Science 2012
103012 High energy physics
Keywords
Portal url
https://ucris.univie.ac.at/portal/en/publications/factorization-and-resummation-for-massive-quark-effects-in-exclusive-drellyan(5c02f243-5d85-4b03-9866-61d8043205da).html