publication . Other literature type . Preprint . Article . 2017

Sivers asymmetry extracted in SIDIS at the hard scales of the Drell–Yan process at COMPASS

R.P. Kurjata; B. Badelek; M. Finger; K. Bicker; K. Bicker; Celso Augusto Guimarães Santos; E. Zemlyanichkina; A. Cicuttin; M. Pešek; K. Kondo; ...
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Open Access English
  • Published: 01 Jan 2017
Abstract
Proton transverse-spin azimuthal asymmetries are extracted from the COMPASS 2010 semi-inclusive hadron measurements in deep inelastic muon-nucleon scattering in those four regions of the photon virtuality $Q^2$, which correspond to the four regions of the di-muon mass $\sqrt{Q^2}$ used in the ongoing analysis of the COMPASS Drell-Yan measurements. This allows for a future direct comparison of the nucleon transverse-momentum-dependent parton distribution functions extracted from these two alternative measurements. Various two-dimensional kinematic dependences are presented for the azimuthal asymmetries induced by the Sivers transverse-momentum-dependent parton di...
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doi: 10.1016/j.physletb.2017.04.042
handle: 10400.26/27194
Subjects
arXiv: Nuclear ExperimentHigh Energy Physics::Experiment
free text keywords: hep-ph, Particle Physics - Phenomenology, hep-ex, Particle Physics - Experiment, High Energy Physics - Experiment, High Energy Physics - Phenomenology, parton: distribution function, 160 GeV/c, kinematics, experimental results, photon, nucleon: transverse momentum, Drell-Yan process, Sivers, quantum chromodynamics, transverse momentum dependence, CERN SPS, spin: asymmetry, COMPASS, Sivers function, dimension: 2, polarized target: transverse, muon nucleon: scattering, muon nucleon: deep inelastic scattering, deep inelastic scattering: semi-inclusive reaction, angular distribution: asymmetry, SIDIS, Drell–Yan, Spin, Azimuthal asymmetries, muon+ p: deep inelastic scattering, polarized beam: longitudinal, TMDs, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], [ PHYS.HPHE ] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], Physics, QC1-999, SIDIS; Drell–Yan; Spin; Azimuthal asymmetries; Sivers; TMDs, Drell-Yan, Subatomic Physics, Subatomär fysik, Nucleon, Particle physics, Hadron, Drell–Yan process, Parton, Nuclear physics, Asymmetry, media_common.quotation_subject, media_common
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Funded by
EC| HADRONPHYSICS3
Project
HADRONPHYSICS3
Study of Strongly Interacting Matter
  • Funder: European Commission (EC)
  • Project Code: 283286
  • Funding stream: FP7 | SP4 | INFRA
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