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Sea Asymmetry from Polarized W Boson Production

by C. Cocuzza, A. Metz, N. Sato

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Submission summary

Authors (as Contributors): Christopher Cocuzza
Submission information
Preprint link: scipost_202108_00024v1
Date accepted: 2022-03-16
Date submitted: 2021-08-11 18:34
Submitted by: Cocuzza, Christopher
Submitted to: SciPost Physics Proceedings
Proceedings issue: DIS2021
Ontological classification
Academic field: Physics
Specialties:
  • High-Energy Physics - Theory
  • High-Energy Physics - Phenomenology
Approaches: Theoretical, Phenomenological

Abstract

We present the results of a global QCD analysis of helicity parton distribution functions (PDFs) that includes the latest polarized W-lepton production data from the STAR collaboration at the Relativistic Heavy-Ion Collider (RHIC). This data allows the first extraction of a nonzero helicity light-quark sea asymmetry within a simultaneous global QCD analysis of unpolarized and helicity PDFs.

Published as SciPost Phys. Proc. 8, 025 (2022)



Submission & Refereeing History

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Submission scipost_202108_00024v1 on 11 August 2021

Reports on this Submission

Anonymous Report 1 on 2022-3-11 (Invited Report)

Report

Global QCD analysis of helicity parton distribution functions (PDFs) including the latest polarized W -lepton production data from the STAR collaboration presented. It is very important and shows the first extraction of a nonzero helicity light-quark sea asymmetry within a simultaneous global QCD analysis of unpolarized and helicity PDFs.

The paper is very well written and I recommend this for publication.

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