Flavor dependence of unpolarized quark transverse momentum distributions from a global fit
Copyright policy )Flavor dependence of unpolarized quark transverse momentum distributions from a global fit
Abstract We present an extraction of the unpolarized transverse-momentum-dependent parton distribution and fragmentation functions that takes into account possible differences between quark flavors and final-state hadrons. The extraction is based on experimental measurements from Drell-Yan processes and semi-inclusive deep-inelastic scattering, whose combination is essential to distinguish flavor differences. The analysis is carried out at N3LL accuracy. The extracted flavor-dependent distributions give a very good description of the data (χ 2/N dat = 1.08). The resulting error bands take fully into account also the uncertainties in the determination of the corresponding collinear distributions.
- University of Paris-Saclay France
- University of Turin Italy
- Italian National Institute of Nuclear Physics Italy
- University of Paris-Saclay France
- University of Pavia Italy
Drell-Yan process, [PHYS.NUCL] Physics [physics]/Nuclear Theory [nucl-th], Nuclear Theory, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Specific QCD Phenomenology, collinear, FOS: Physical sciences, QC770-798, Parton Distributions; Deep Inelastic Scattering; hadronic collisions; QCD Phenomenology, transverse momentum dependence, Deep Inelastic Scattering or Small-x Physics, 530, fragmentation function, quark, transverse momentum, transverse momentum, momentum spectrum, Nuclear Theory (nucl-th), High Energy Physics - Phenomenology (hep-ph), Nuclear and particle physics. Atomic energy. Radioactivity, deep inelastic scattering, semi-inclusive reaction, Nuclear Experiment (nucl-ex), Nuclear Experiment, parton, distribution function, Parton Distributions, Parton Distribution, flavor, dependence, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics - Phenomenology, hadron, final state, quark, flavor, Deep Inelastic Scattering or Small-x Physic
Drell-Yan process, [PHYS.NUCL] Physics [physics]/Nuclear Theory [nucl-th], Nuclear Theory, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Specific QCD Phenomenology, collinear, FOS: Physical sciences, QC770-798, Parton Distributions; Deep Inelastic Scattering; hadronic collisions; QCD Phenomenology, transverse momentum dependence, Deep Inelastic Scattering or Small-x Physics, 530, fragmentation function, quark, transverse momentum, transverse momentum, momentum spectrum, Nuclear Theory (nucl-th), High Energy Physics - Phenomenology (hep-ph), Nuclear and particle physics. Atomic energy. Radioactivity, deep inelastic scattering, semi-inclusive reaction, Nuclear Experiment (nucl-ex), Nuclear Experiment, parton, distribution function, Parton Distributions, Parton Distribution, flavor, dependence, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics - Phenomenology, hadron, final state, quark, flavor, Deep Inelastic Scattering or Small-x Physic
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