English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  Longitudinal double-spin asymmetry for inclusive jet and dijet production in polarized proton collisions at sqrt{s}=200 GeV

STAR Collaboration, Abdallah, M., Schmitz, N., Seyboth, P., & et al. (2021). Longitudinal double-spin asymmetry for inclusive jet and dijet production in polarized proton collisions at sqrt{s}=200 GeV. Physical Review D, 103, L091103. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2021-265.

Item is

Files

show Files

Locators

show

Creators

show
hide
 Creators:
STAR Collaboration1, Author
Abdallah, M.S.1, Author
Schmitz, N.1, Author
Seyboth, P.1, Author
et al.1, Author
Affiliations:
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650              

Content

show
hide
Free keywords: STAR
 Abstract: We report high-precision measurements of the longitudinal double-spin asymmetry, A_{LL}, for midrapidity inclusive jet and dijet production in polarized pp collisions at a center-of-mass energy of sqrt{s}=200\,\mathrm{GeV}. The new inclusive jet data are sensitive to the gluon helicity distribution, Delta g(x,Q^2), for gluon momentum fractions in the range from x \simeq 0.05 to x \simeq 0.5, while the new dijet data provide further constraints on the x dependence of Delta g(x,Q^2). The results are in good agreement with previous measurements at sqrt{s}=200\,\mathrm{GeV} and with recent theoretical evaluations of prior world data. Our new results have better precision and thus strengthen the evidence that Delta g(x,Q^2) is positive for x > 0.05.

Details

show
hide
Language(s):
 Dates: 2021
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show
hide
Title: Physical Review D
  Abbreviation : Phys.Rev.D
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 103 Sequence Number: - Start / End Page: L091103 Identifier: -