PoS - Proceedings of Science
Volume 352 - XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2019) - Working Group 1: Structure Function and Parton Densiies
HERAPDF2.0Jets NNLO (prel.), the completion ofthe HERAPDF2.0 family
A. Sarkar* on behalf of the H1 and ZEUS Collaboration
*corresponding author
Full text: pdf
Pre-published on: June 04, 2019
Published on: October 04, 2019
Abstract
The HERAPDF2.0 family, introduced in 2015, is completed
with fits HERAPDF2.0Jets NNLO (prel.) based on inclusive
HERA data and selected jet production data.
The result of a fit with the strong coupling constant, $a_s(M^2_z)$, free is
$a_s(M^2_z)$ $= 0.1150 \pm 0.0008{\rm (exp)} ^{+0.0002}_{-0.0005}$
(model/parameterisation) $\pm 0.0006{\rm (hadronisation)} \pm 0.0027 {\rm (scale)}$.
Sets of parton density functions, PDFs, from fits with fixed
$a_s(M^2_z)$ $= 0.115$ and $a_s(M^2_z)$ $= 0.118$ are presented and compared.
DOI: https://doi.org/10.22323/1.352.0029
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