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

Abstract

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.

Authors:
 [1];  [1];  [1];  [2]
  1. Univ. di Torino, Torino (Italy); INFN, Torino (Italy)
  2. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1127205
Report Number(s):
JLAB-THY-13-1830; DOE/OR/23177-2965; arXiv:1312.6261
Journal ID: ISSN 1029-8479; TRN: US1500451
Grant/Contract Number:  
AC05-06OR23177
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Volume: 2014; Journal Issue: 4; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; phenomenological models; QCD phenomenology

Citation Formats

Anselmino, M., Boglione, M., H. J.O. Gonzalez, Melis, S., and Prokudin, A. Unpolarised transverse momentum dependent distribution and fragmentation functions from SIDIS multiplicities. United States: N. p., 2014. Web. doi:10.1007/JHEP04(2014)005.
Anselmino, M., Boglione, M., H. J.O. Gonzalez, Melis, S., & Prokudin, A. Unpolarised transverse momentum dependent distribution and fragmentation functions from SIDIS multiplicities. United States. https://doi.org/10.1007/JHEP04(2014)005
Anselmino, M., Boglione, M., H. J.O. Gonzalez, Melis, S., and Prokudin, A. 2014. "Unpolarised transverse momentum dependent distribution and fragmentation functions from SIDIS multiplicities". United States. https://doi.org/10.1007/JHEP04(2014)005. https://www.osti.gov/servlets/purl/1127205.
@article{osti_1127205,
title = {Unpolarised transverse momentum dependent distribution and fragmentation functions from SIDIS multiplicities},
author = {Anselmino, M. and Boglione, M. and H. J.O. Gonzalez and Melis, S. and Prokudin, A.},
abstractNote = {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.},
doi = {10.1007/JHEP04(2014)005},
url = {https://www.osti.gov/biblio/1127205}, journal = {Journal of High Energy Physics (Online)},
issn = {1029-8479},
number = 4,
volume = 2014,
place = {United States},
year = {Tue Apr 01 00:00:00 EDT 2014},
month = {Tue Apr 01 00:00:00 EDT 2014}
}

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Cited by: 95 works
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Works referenced in this record:

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journal, August 2008


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  • Prokudin, Alexei; Bacchetta, Alessandro
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text, January 2012


Works referencing / citing this record:

Semi-inclusive deep inelastic scattering in Wandzura-Wilczek-type approximation
journal, January 2019


Transverse single-spin asymmetries in p h X within a TMD approach: Role of quasireal photon exchange
journal, May 2017


Where do we stand with a 3-D picture of the proton?
journal, June 2016


Semi-inclusive deep-inelastic scattering in Wandzura-Wilczek-type approximation
text, January 2019