Cross section and longitudinal single-spin asymmetry AL for forward W± →μ±ν production in polarized p+p collisions at s =510 GeV

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Abstract

We have measured the cross section and single-spin asymmetries from forward W±→μ±ν production in longitudinally polarized p+p collisions at s=510 GeV using the PHENIX detector at the Relativistic Heavy Ion Collider. The cross sections are consistent with previous measurements at this collision energy, while the most forward and backward longitudinal single spin asymmetries provide new insights into the sea quark helicities in the proton. The charge of the W bosons provides a natural flavor separation of the participating partons. © 2018 authors. Published by the American Physical Society.

Detaljer

Författare
Enheter & grupper
Externa organisationer
  • University of Colorado
  • University of California, Riverside
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Subatomär fysik
Originalspråkengelska
Artikelnummer032007
TidskriftPhysical Review D
Volym98
Utgivningsnummer3
StatusPublished - 2018
PublikationskategoriForskning
Peer review utfördJa