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Title: Extraction of partonic transverse momentum distributions from semi-inclusive deep-inelastic scattering, Drell-Yan and Z-boson production

We present an extraction of unpolarized partonic transverse momentum distributions (TMDs) from a simultaneous fit of available data measured in semi-inclusive deep-inelastic scattering, Drell-Yan and Z boson production. To connect data at different scales, we use TMD evolution at next-to-leading logarithmic accuracy. The analysis is restricted to the low-transverse-momentum region, with no matching to fixed-order calculations at high transverse momentum. We introduce specific choices to deal with TMD evolution at low scales, of the order of 1 GeV 2. Furthermore, this could be considered as a first attempt at a global fit of TMDs.
Authors:
 [1] ;  [1] ;  [1] ;  [2] ; ORCiD logo [3]
  1. Univ. di Pavia, Pavia (Italy); INFN Sezione di Pavia, Pavia (Italy)
  2. INFN Sezione di Pavia, Pavia (Italy)
  3. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Publication Date:
Report Number(s):
JLAB-THY-17-2437; DOE/OR/23177-4152; arXiv:1703.10157
Journal ID: ISSN 1029-8479; PII: 6207
Grant/Contract Number:
AC05-06OR23177
Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2017; Journal Issue: 6; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Research Org:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Deep Inelastic Scattering (Phenomenology); QCD Phenomenology
OSTI Identifier:
1391836

Bacchetta, Alessandro, Delcarro, Filippo, Pisano, Cristian, Radici, Marco, and Signori, Andrea. Extraction of partonic transverse momentum distributions from semi-inclusive deep-inelastic scattering, Drell-Yan and Z-boson production. United States: N. p., Web. doi:10.1007/JHEP06(2017)081.
Bacchetta, Alessandro, Delcarro, Filippo, Pisano, Cristian, Radici, Marco, & Signori, Andrea. Extraction of partonic transverse momentum distributions from semi-inclusive deep-inelastic scattering, Drell-Yan and Z-boson production. United States. doi:10.1007/JHEP06(2017)081.
Bacchetta, Alessandro, Delcarro, Filippo, Pisano, Cristian, Radici, Marco, and Signori, Andrea. 2017. "Extraction of partonic transverse momentum distributions from semi-inclusive deep-inelastic scattering, Drell-Yan and Z-boson production". United States. doi:10.1007/JHEP06(2017)081. https://www.osti.gov/servlets/purl/1391836.
@article{osti_1391836,
title = {Extraction of partonic transverse momentum distributions from semi-inclusive deep-inelastic scattering, Drell-Yan and Z-boson production},
author = {Bacchetta, Alessandro and Delcarro, Filippo and Pisano, Cristian and Radici, Marco and Signori, Andrea},
abstractNote = {We present an extraction of unpolarized partonic transverse momentum distributions (TMDs) from a simultaneous fit of available data measured in semi-inclusive deep-inelastic scattering, Drell-Yan and Z boson production. To connect data at different scales, we use TMD evolution at next-to-leading logarithmic accuracy. The analysis is restricted to the low-transverse-momentum region, with no matching to fixed-order calculations at high transverse momentum. We introduce specific choices to deal with TMD evolution at low scales, of the order of 1 GeV2. Furthermore, this could be considered as a first attempt at a global fit of TMDs.},
doi = {10.1007/JHEP06(2017)081},
journal = {Journal of High Energy Physics (Online)},
number = 6,
volume = 2017,
place = {United States},
year = {2017},
month = {6}
}