Nonperturbative Collins-Soper kernel from chiral quarks with physical masses

Bollweg, Dennis; Gao, Xiang; Mukherjee, Swagato; Zhao, Yong

doi:10.1016/j.physletb.2024.138617

Physics Letters B

2024

DOI: 10.1016/j.physletb.2024.138617

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Nonperturbative Collins-Soper kernel from chiral quarks with physical masses

Dennis Bollweg,

Xiang Gao,

Swagato Mukherjee

et al.

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Cited by 1 publication

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Flavor dependence of unpolarized quark transverse momentum distributions from a global fit

Bacchetta,

Bertone,

Bissolotti

et al. 2024

J. High Energ. Phys.

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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 (χ2/Ndat = 1.08). The resulting error bands take fully into account also the uncertainties in the determination of the corresponding collinear distributions.

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Flavor dependence of unpolarized quark transverse momentum distributions from a global fit

Bacchetta,

Bertone,

Bissolotti

et al. 2024

J. High Energ. Phys.

View full text Add to dashboard Cite

show abstract

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Nonperturbative Collins-Soper kernel from chiral quarks with physical masses

Cited by 1 publication

References 71 publications

Flavor dependence of unpolarized quark transverse momentum distributions from a global fit

Flavor dependence of unpolarized quark transverse momentum distributions from a global fit

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