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PDF Flavor Determination and the nCTEQ15 PDFs: W ± / Z vector boson production in heavy ion collisions


Olness, Fred; Godat, Eric; Clark, D Benjamin; Hobbs, Timothy J; Jezo, Tomas; Kent, Jesse; Keppel, Cynthia; Kovarik, Karol; Kusina, Aleksander; Lyonnet, Florian; Morfin, Jorge G; Owens, Joseph Francis; Schienbein, Ingo; Yu, Ji-Young (2018). PDF Flavor Determination and the nCTEQ15 PDFs: W ± / Z vector boson production in heavy ion collisions. In: XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects, Kobe, Japan, 16 April 2018 - 20 April 2018.

Abstract

Recent LHC W/Z vector boson production data in proton-lead collisions are quite sensitive to the heavier flavors (especially the strange PDF), and this complements the information from neutrino-DIS data. As the proton flavor determination is dependent on nuclear corrections (from heavy target DIS, for example), LHC heavy ion measurements can also help improve proton PDFs. We introduce a new implementation of the nCTEQ code (nCTEQ++) based on C++ which has a modular strucure and enables us to easily integrate programs such as HOPPET, APPLgrid, and MCFM. Using ApplGrids generated from MCFM, we use nCTEQ++ to perform a fit including the p-Pb LHC W/Z vector boson data.

Abstract

Recent LHC W/Z vector boson production data in proton-lead collisions are quite sensitive to the heavier flavors (especially the strange PDF), and this complements the information from neutrino-DIS data. As the proton flavor determination is dependent on nuclear corrections (from heavy target DIS, for example), LHC heavy ion measurements can also help improve proton PDFs. We introduce a new implementation of the nCTEQ code (nCTEQ++) based on C++ which has a modular strucure and enables us to easily integrate programs such as HOPPET, APPLgrid, and MCFM. Using ApplGrids generated from MCFM, we use nCTEQ++ to perform a fit including the p-Pb LHC W/Z vector boson data.

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Item Type:Conference or Workshop Item (Speech), not_refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Event End Date:20 April 2018
Deposited On:06 Feb 2020 14:23
Last Modified:06 Feb 2020 14:23
Publisher:SISSA
Series Name:PoS - Proceedings of Science
ISSN:1824-8039
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.22323/1.316.0009

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