Unpolarised transverse momentum dependent distribution and fragmentation functions from SIDIS multiplicities

Anselmino, M.; Boglione, M.; Melis, S.; Prokudin, A.

doi:10.1007/JHEP04(2014)005

Title: Unpolarised transverse momentum dependent distribution and fragmentation functions from SIDIS multiplicities

Journal Article · Tue Apr 01 00:00:00 EDT 2014 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP04(2014)005· OSTI ID:1127205

Anselmino, M. ^[1]; Boglione, M. ^[1]; Melis, S. ^[1]; Prokudin, A. ^[2]

Univ. di Torino, Torino (Italy); INFN, Torino (Italy)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

In this study, the unpolarised transverse momentum dependent distribution and fragmentation functions are extracted from HERMES and COMPASS experimental measurements of SIDIS multiplicities for charged hadron production. The data are grouped into independent bins of the kinematical variables, in which the TMD factorisation is expected to hold. A simple factorised functional form of the TMDs is adopted, with a Gaussian dependence on the intrinsic transverse momentum, which turns out to be quite adequate in shape. HERMES data do not need any normalisation correction, while fits of the COMPASS data much improve with a y-dependent overall normalisation factor. A comparison of the extracted TMDs with previous EMC and JLab data confirms the adequacy of the simple gaussian distributions. The possible role of the TMD evolution is briefly considered.

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Research Organization:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC05-06OR23177

OSTI ID:: 1127205

Report Number(s):: JLAB-THY-13-1830; DOE/OR/23177-2965; arXiv:1312.6261; TRN: US1500451

Journal Information:: Journal of High Energy Physics (Online), Vol. 2014, Issue 4; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 105 works

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Semi-inclusive deep inelastic scattering in Wandzura-Wilczek-type approximation Bastami, S.; Avakian, H.; Efremov, A. V. EPJ Web of Conferences, Vol. 204 https://doi.org/10.1051/epjconf/201920401013	journal	January 2019
Transverse momentum dependent of charged pion, kaon, and proton/antiproton fragmentation functions from $e^{+} e^{-}$ annihilation process Soleymaninia, Maryam; Khanpour, Hamzeh Physical Review D, Vol. 100, Issue 9 https://doi.org/10.1103/physrevd.100.094033	journal	November 2019
Where do we stand with a 3-D picture of the proton? Bacchetta, Alessandro The European Physical Journal A, Vol. 52, Issue 6 https://doi.org/10.1140/epja/i2016-16163-5	journal	June 2016
Semi-inclusive deep-inelastic scattering in Wandzura-Wilczek-type approximation Bastami, S.; Avakian, H.; Efremov, A. V. Universität Regensburg https://doi.org/10.5283/epub.45490	text	January 2019
Relating Transverse Momentum Dependent and Collinear Factorization Theorems in a Generalized Formalism Collins, J.; Gamberg, L.; Prokudin, A. arXiv https://doi.org/10.48550/arxiv.1605.00671	text	January 2016
First Monte Carlo global analysis of nucleon transversity with lattice QCD constraints Lin, Huey-Wen; Melnitchouk, W.; Prokudin, Alexei arXiv https://doi.org/10.48550/arxiv.1710.09858	text	January 2017
One-loop evolution of parton pseudo-distribution functions on the lattice Radyushkin, Anatoly arXiv https://doi.org/10.48550/arxiv.1801.02427	text	January 2018
Collinear Factorization in Wide-Angle Hadron Pair Production in $e^+e^-$ Annihilation Moffat, E.; Rogers, T. C.; Sato, N. arXiv https://doi.org/10.48550/arxiv.1909.02951	text	January 2019

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