Parton fragmentation functions

A Metz, A Vossen - Progress in Particle and Nuclear Physics, 2016 - Elsevier
The field of fragmentation functions of light quarks and gluons is reviewed. In addition to
integrated fragmentation functions, attention is paid to the dependence of fragmentation …

TMD handbook

R Boussarie, M Burkardt, M Constantinou… - arXiv preprint arXiv …, 2023 - arxiv.org
This handbook provides a comprehensive review of transverse-momentum-dependent
parton distribution functions and fragmentation functions, commonly referred to as …

Extraction of quark transversity distribution and Collins fragmentation functions with QCD evolution

ZB Kang, A Prokudin, P Sun, F Yuan - Physical Review D, 2016 - APS
We study the transverse-momentum-dependent (TMD) evolution of the Collins azimuthal
asymmetries in e+ e-annihilations and semi-inclusive hadron production in deep inelastic …

Extraction of the Sivers function from SIDIS, Drell-Yan, and W±/Z boson production data with TMD evolution

M Bury, A Prokudin, A Vladimirov - Journal of High Energy Physics, 2021 - Springer
A bstract We perform a global fit of the available polarized Semi-Inclusive Deep Inelastic
Scattering (SIDIS), polarized pion-induced Drell-Yan (DY) and W±/Z boson production data …

QCD evolution of the Sivers asymmetry

MG Echevarria, A Idilbi, ZB Kang, I Vitev - Physical Review D, 2014 - APS
We study the QCD evolution of the Sivers effect in both semi-inclusive deep inelastic
scattering (SIDIS) and Drell-Yan production (DY). We pay close attention to the …

Towards an explanation of transverse single-spin asymmetries in proton-proton collisions: the role of fragmentation in collinear factorization

K Kanazawa, Y Koike, A Metz, D Pitonyak - Physical Review D, 2014 - APS
We study the transverse single-spin asymmetry for single-hadron production in proton-
proton collisions within the framework of collinear twist-3 factorization in quantum …

Collins azimuthal asymmetries of hadron production inside jets

ZB Kang, A Prokudin, F Ringer, F Yuan - Physics Letters B, 2017 - Elsevier
We investigate the Collins azimuthal asymmetry of hadrons produced inside jets in
transversely polarized proton–proton collisions. Recently, the quark transversity distributions …

Extracting the transverse momentum dependent polarizing fragmentation functions

D Callos, ZB Kang, J Terry - Physical Review D, 2020 - APS
We demonstrate that spontaneous transverse polarization of lambda baryon (Λ) production
in e+ e-annihilation can be described using the transverse momentum dependent polarizing …

Fragmentation contribution to the transverse single-spin asymmetry in proton–proton collisions

A Metz, D Pitonyak - Physics Letters B, 2013 - Elsevier
Within the collinear twist-3 framework, we study the single-spin asymmetry (SSA) in
collisions between unpolarized protons and transversely polarized protons with focus on the …

Collins function and the single transverse spin asymmetry

F Yuan, J Zhou - Physical review letters, 2009 - APS
We study the Collins mechanism for the single transverse spin asymmetry in the collinear
factorization approach. The corresponding twist-three fragmentation function is identified …