Impact of W and Z Production Data and Compatibility of Neutrino DIS Data in Nuclear Parton Distribution Functions

Muzakka, Khoirul Faiq; Duwentäster, Pit; Hobbs, Timothy; Ježo, Tomaš; Klasen, Michael; Kovarik, Karol; Kusina, Aaleksader; Morfín, Jorge G.; Olness, Frederick; Ruiz, Richard; Schienbein, Ingo; Yu, Ji-Young

doi:10.21468/SciPostPhysProc.8.041

Impact of W and Z Production Data and Compatibility of Neutrino DIS Data in Nuclear Parton Distribution Functions

Journal Article · Tue Jul 12 00:00:00 EDT 2022 · SciPost Physics Proceedings

DOI:https://doi.org/10.21468/SciPostPhysProc.8.041· OSTI ID:1875743

Muzakka, Khoirul Faiq ^[1]; Duwentäster, Pit ^[1]; Hobbs, Timothy ^[2]; Ježo, Tomaš ^[3]; Klasen, Michael ^[1]; Kovarik, Karol ^[1]; Kusina, Aaleksader ^[4]; Morfín, Jorge G. ^[5]; Olness, Frederick ^[6]; Ruiz, Richard ^[4]; Schienbein, Ingo ^[7]; Yu, Ji-Young ^[7]

University of Münster
Illinois Institute of Technology, Southern Methodist University, Thomas Jefferson National Accelerator Facility
Karlsruhe Institute of Technology
Institute of Nuclear Physics Polish Academy of Sciences
Fermi National Accelerator Laboratory
Southern Methodist University
Grenoble Alpes University

Vector boson production and neutrino deep-inelastic scattering (DIS) data are crucial for constraining the strange quark parton distribution function (PDF) and more generally for flavor decomposition in PDF extractions. We extend the nCTEQ15 nuclear PDFs (nPDFs) by adding the recent W and Z production data from the LHC in a global nPDF fit. The new nPDF set, referred to as nCTEQ15WZ, is used as a starting point for a follow-up study in which we assess the compatibility of neutrino DIS data with charged lepton DIS data. Specifically, we re-analyze neutrino DIS data from NuTeV, Chorus, and CDHSW, as well as dimuon data from CCFR and NuTeV. To scrutinize the level of compatibility, different kinematic regions of the neutrino data are investigated. Fits to the neutrino data alone and a preliminary global fit are performed and compared to nCTEQ15WZ.

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Research Organization:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

Grant/Contract Number:: AC02-07CH11359; SC0010129

OSTI ID:: 1875743

Alternate ID(s):: OSTI ID: 1831854

Report Number(s):: FERMILAB-CONF-21-337-SCD; MS-TP-21-21; arXiv:2107.13235; 041

Journal Information:: SciPost Physics Proceedings, Journal Name: SciPost Physics Proceedings Journal Issue: 8; ISSN 2666-4003

Publisher:: Stichting SciPostCopyright Statement

Country of Publication:: Netherlands

Language:: English

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Impact of W and Z Production Data and Compatibility of Neutrino DIS Data in Nuclear Parton Distribution Functions

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