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Measurement of the Transverse Single-Spin Asymmetry in p ↑+p →w± /Z0 at RHIC

Adamczyk, L.
•
Adkins, J. K.
•
Agakishiev, G.
altro
Zyzak, M.
2016
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We present the measurement of the transverse single-spin asymmetry of weak boson production in transversely polarized proton-proton collisions at s=500 GeV by the STAR experiment at RHIC. The measured observable is sensitive to the Sivers function, one of the transverse-momentum-dependent parton distribution functions, which is predicted to have the opposite sign in proton-proton collisions from that observed in deep inelastic lepton-proton scattering. These data provide the first experimental investigation of the nonuniversality of the Sivers function, fundamental to our understanding of QCD.
DOI
10.1103/PhysRevLett.116.132301
WOS
WOS:000373202000004
Archivio
http://hdl.handle.net/11368/2941994
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84963674111
http://harvest.aps.org/bagit/articles/10.1103/PhysRevLett.116.132301/apsxml
Diritti
closed access
license:copyright editore
FVG url
https://arts.units.it/request-item?handle=11368/2941994
Soggetti
  • Heavy ion

  • quark gluon plasma

  • RHIC

  • STAR

Scopus© citazioni
72
Data di acquisizione
Jun 7, 2022
Vedi dettagli
Web of Science© citazioni
63
Data di acquisizione
Mar 27, 2024
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