Document Type
Article
Publication Date
7-1-2005
Abstract
The ZEUS inclusive differential cross-section data from HERA, for charged and neutral current processes taken with e + and e - beams, together with differential cross-section data on inclusive jet production in e + p scattering and dijet production in γp scattering, have been used in a new NLO QCD analysis to extract the parton distribution functions of the proton. The input of jet-production data constrains the gluon and allows an accurate extraction of alpha s(MZ) at NLO; alphas = 0.1183±0.0028(exp.)±0.0008(model). An additional uncertainty from the choice of scales is estimated as ±0.005. This is the first extraction of alphas(MZ) from HERA data alone. © Springer-Verlag/Società Italiana de Fisica 2005.
Journal Title
European Physical Journal C
Volume
42
Issue
1
First Page
1
Last Page
16
DOI
10.1140/epjc/s2005-02293-x
First Department
Physics
Recommended Citation
Chekanov, S.; Derrick, M.; Magill, S.; Miglioranzi, S.; Musgrave, B.; Repond, J.; Yoshida, R.; Mattingly, Margarita C. K.; Pavel, N.; Yagües Molina, A. G.; Antonioli, P.; Bari, G.; Basile, M.; Bellagamba, L.; Boscherini, D.; Bruni, A.; Bruni, G.; Cara Romeo, G.; Cifarelli, L.; Cindolo, F.; Contin, A.; Corradi, M.; de Pasquale, S.; Giusti, P.; Iacobucci, G.; Margotti, A.; Montanari, A.; Nania, R.; Palmonari, F.; Pesci, A.; and Polini, A., "An NLO QCD Analysis of Inclusive Cross-section and Jet-production Fata from the ZEUS Experiment" (2005). Faculty Publications. 2071.
https://digitalcommons.andrews.edu/pubs/2071
Acknowledgements
Open access article retrieved March 18, 2021 from https://link.springer.com/content/pdf/10.1140/epjc/s2005-02293-x.pdf