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Transverse spin transfer to Λ and Λ hyperons in polarized proton-proton collisions at s =200 GeV

Adam J.
•
Adamczyk L.
•
Adams J. R.
altro
Zyzak M.
2018
  • journal article

Periodico
PHYSICAL REVIEW D
Abstract
The transverse spin transfer from polarized protons to Λ and Λ hyperons is expected to provide sensitivity to the transversity distribution of the nucleon and to the transversely polarized fragmentation functions. We report the first measurement of the transverse spin transfer to Λ and Λ along the polarization direction of the fragmenting quark, DTT, in transversely polarized proton-proton collisions at s=200 GeV with the STAR detector at RHIC. The data correspond to an integrated luminosity of 18 pb-1 and cover the pseudorapidity range |η|<1.2 and transverse momenta pT up to 8 GeV/c. The dependence on pT and η are presented. The DTT results are found to be comparable with a model prediction and are also consistent with zero within uncertainties.
DOI
10.1103/PhysRevD.98.091103
WOS
WOS:000451598800001
Archivio
http://hdl.handle.net/11368/2964943
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85058092556
https://journals.aps.org/prd/abstract/10.1103/PhysRevD.98.091103
Diritti
closed access
license:copyright editore
FVG url
https://arts.units.it/request-item?handle=11368/2964943
Soggetti
  • spin

  • STAR

Scopus© citazioni
8
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
11
Data di acquisizione
Mar 26, 2024
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