Global Polarization of Ξ and ω Hyperons in Au+Au Collisions at sNN =200 GeV

(STAR Collaboration)

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49 Scopus citations

Abstract

Global polarization of Ξ and ω hyperons has been measured for the first time in Au+Au collisions at sNN=200 GeV. The measurements of the Ξ- and Ξ¯+ hyperon polarization have been performed by two independent methods, via analysis of the angular distribution of the daughter particles in the parity violating weak decay Ξ→Λ+π, as well as by measuring the polarization of the daughter Λ hyperon, polarized via polarization transfer from its parent.

Original languageEnglish (US)
Article number162301
JournalPhysical review letters
Volume126
Issue number16
DOIs
StatePublished - Apr 22 2021
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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