The Drell-Yan process with pions and polarized nucleons

S. Bastami, L. Gamberg, B. Parsamyan, B. Pasquini, A. Prokudin, P. Schweitzer

Research output: Contribution to journalArticlepeer-review

Abstract

The Drell-Yan process provides important information on the internal struc- ture of hadrons including transverse momentum dependent parton distribution functions (TMDs). In this work we present calculations for all leading twist structure functions de- scribing the pion induced Drell-Yan process. The non-perturbative input for the TMDs is taken from the light-front constituent quark model, the spectator model, and available parametrizations of TMDs extracted from the experimental data. TMD evolution is im- plemented at Next-to-Leading Logarithmic precision for the first time for all asymmetries. Our results are compatible with the first experimental information, help to interpret the data from ongoing experiments, and will allow one to quantitatively assess the models in future when more precise data will become available.

Original languageEnglish (US)
Article number166
JournalJournal of High Energy Physics
Volume2021
Issue number2
DOIs
StatePublished - Feb 2021

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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