A new approach using near-side energy-energy correlators in dihadron fragmentation enables extraction of nucleon transversity PDF in collinear factorization without modeling intrinsic transverse momentum or dihadron resonances.
Extraction of unpolarized quark transverse momentum dependent parton distributions from Drell-Yan/Z-boson production
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abstract
We present the extraction of unpolarized quark transverse momentum dependent parton distribution functions (TMDPDFs) and the non-perturbative part of TMD evolution kernel from the global analysis of Drell-Yan and $Z$-boson production data. The analysis is performed at the next-to-next-to-leading order (NNLO) in perturbative QCD, using the $\zeta$-prescription. The estimation of the error-propagation from the experimental uncertainties to non-perturbative function is made by the replica method. The importance of the inclusion of the precise LHC data and its influence on the determination of non-perturbative functions is discussed.
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A framework is introduced for jet transverse momentum distributions in SIDIS at N³LL accuracy by replacing fragmentation functions with jet functions under a non-standard jet definition.
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Simplified approach to extracting nucleon transversity in collinear factorization using near-side energy-energy correlators
A new approach using near-side energy-energy correlators in dihadron fragmentation enables extraction of nucleon transversity PDF in collinear factorization without modeling intrinsic transverse momentum or dihadron resonances.
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Studying transverse momentum distributions with jets at N$^3$LL
A framework is introduced for jet transverse momentum distributions in SIDIS at N³LL accuracy by replacing fragmentation functions with jet functions under a non-standard jet definition.