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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 registered SciPost users): | Christopher Cocuzza |
| Submission information | |
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| Preprint Link: | scipost_202108_00024v1 (pdf) |
| Date accepted: | 2022-03-16 |
| Date submitted: | 2021-08-11 18:34 |
| Submitted by: | Cocuzza, Christopher |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | 28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects (DIS2021) |
| Ontological classification | |
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| Academic field: | Physics |
| Specialties: |
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| 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)
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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.