Features of W production in p-p, p-Pb and Pb-Pb collisions
Arleo, F., Chapon, É., & Paukkunen, H. (2017). Features of W production in p-p, p-Pb and Pb-Pb collisions. In DIS 2017 : Proceedings of the 25th International Workshop on Deep-Inelastic Scattering and Related Subjects (Article 006). Sissa. PoS : Proceedings of Science, DIS2017. https://pos.sissa.it/297/006/pdf
Published inPoS : Proceedings of Science
© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0).
We consider the production of inclusive W bosons in variety of high-energy hadronic collisions: p-p, p-p, p-Pb, and Pb-Pb. In particular, we focus on the resulting distributions of charged leptons from W decay that can be measured with relatively low backgrounds. The leading-order expressions within the collinearly factorized QCD indicate that the center-of-mass energy dependence at forward/backward rapidities should be well approximated by a simple power law. The scaling exponent is related to the small-x behaviour of the quark distributions, which is largely driven by the parton evolution. An interesting consequence is the simple scaling law for the lepton charge asymmetry which relates measurements in different collision systems. The expectations are contrasted with the existing data and a very good overall agreement is found. Finally, we propose precision observables to be measured at the LHC.
ConferenceInternational Workshop on Deep-Inelastic Scattering and Related Subjects
Is part of publicationDIS 2017 : Proceedings of the 25th International Workshop on Deep-Inelastic Scattering and Related Subjects
ISSN Search the Publication Forum1824-8039
Publication in research information system
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Related funder(s)Academy of Finland
Funding program(s)Academy Project, AoF
Additional information about fundingThe work of ÉC has been supported by the European Research Council, under the “QuarkGluon-PlasmaCMS” #259612 grant. H.P. acknowledges the funding from Academy of Finland, Project 297058; the European Research Council grant HotLHC ERC-2011-StG-279579; Ministerio de Ciencia e Innovación of Spain and FEDER, project FPA2014-58293-C2-1-P; Xunta de Galicia (Conselleria de Educacion) - H.P. is part of the Strategic Unit AGRUP2015/11. ...
Except where otherwise noted, this item's license is described as © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0).
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