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Longitudinal double-spin asymmetry for inclusive jet and dijet production in pp collisions at s =510 GeV
Resource type
Authors/contributors
- STAR Collaboration (Author)
- Finch, Evan (Contributor)
Title
Longitudinal double-spin asymmetry for inclusive jet and dijet production in pp collisions at s =510 GeV
Abstract
We report the first measurement of the inclusive jet and the dijet longitudinal double-spin asymmetries, ALL, at midrapidity in polarized pp collisions at a center-of-mass energy s=510 GeV. The inclusive jet ALL measurement is sensitive to the gluon helicity distribution down to a gluon momentum fraction of x≈0.015, while the dijet measurements, separated into four jet-pair topologies, provide constraints on the x dependence of the gluon polarization. Both results are consistent with previous measurements made at s=200 GeV in the overlapping kinematic region, x>0.05, and show good agreement with predictions from recent next-to-leading order global analyses. © 2019 authors. Published by the American Physical Society.
Publication
Physical Review D
Publisher
American Physical Society
Date
2019
Volume
100
Issue
5
Journal Abbr
Phy. Rev. D
Citation Key
starcollaborationLongitudinalDoublespinAsymmetry2019
ISSN
24700010 (ISSN)
Archive
Scopus
Language
English
Extra
26 citations (Crossref) [2023-10-31]
Citation
STAR Collaboration. (2019). Longitudinal double-spin asymmetry for inclusive jet and dijet production in pp collisions at s =510 GeV. Physical Review D, 100(5). Scopus. https://doi.org/10.1103/PhysRevD.100.052005
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