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Measurement of Direct-Photon Cross Section and Double-Helicity Asymmetry at s = 510 GeV in p + p Collisions

Journal Article · · Physical Review Letters
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Not Available
Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); University of Tennessee, Knoxville, TN (United States)
Sponsoring Organization:
USDOE; USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Organization:
PHENIX Collaboration
Grant/Contract Number:
AC05-00OR22725; AC52-07NA27344; FG02-96ER40982; SC0012704
OSTI ID:
1986091
Alternate ID(s):
OSTI ID: 2333766
OSTI ID: 2007888
OSTI ID: 2204141
OSTI ID: 2205731
Report Number(s):
BNL--224944-2023-JAAM; LLNL--JRNL-854391; 251901
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 25 Vol. 130; ISSN 0031-9007; ISSN PRLTAO
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

References (40)

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PHENIX detector overview
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PHENIX central arm tracking detectors
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journal March 2003
PHENIX calorimeter
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journal March 2003
PHENIX inner detectors
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journal March 2003
Systematic error analysis in the absolute hydrogen gas jet polarimeter at RHIC
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journal October 2020
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A New Method for Combining NLO QCD with Shower Monte Carlo Algorithms journal November 2004
PYTHIA 6.4 physics and manual journal May 2006
Matching NLO QCD computations with parton shower simulations: the POWHEG method journal November 2007
Longitudinal double-spin asymmetry for inclusive jet and dijet production in p p collisions at s = 510     GeV journal September 2019
Monte Carlo sampling variant of the DSSV14 set of helicity parton densities journal December 2019
How well do we know the gluon polarization in the proton? journal April 2022
Polarized antimatter in the proton from a global QCD analysis journal August 2022
Parton structure of the photon beyond the leading order journal June 1992
Polarized and unpolarized prompt photon production beyond the leading order journal October 1993
Polarized and unpolarized isolated prompt photon production beyond the leading order journal August 1994
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Precise determination of the spin structure function g 1 of the proton, deuteron, and neutron journal January 2007
Inclusive cross section and double helicity asymmetry for π 0 production in p + p collisions at s = 62.4     GeV journal January 2009
Measurement of neutral mesons in p + p collisions at s = 200     GeV and scaling properties of hadron production journal March 2011
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Direct photon production in p + p collisions at s = 200     GeV at midrapidity journal October 2012
Inclusive double-helicity asymmetries in neutral-pion and eta-meson production in p → + p → collisions at s = 200     GeV journal July 2014
Inclusive cross section and double-helicity asymmetry for π 0 production at midrapidity in p + p collisions at s = 510     GeV journal January 2016
Global Analysis of Helicity Parton Densities and their Uncertainties journal August 2008
Gluon-Spin Contribution to the Proton Spin from the Double-Helicity Asymmetry in Inclusive π 0 Production in Polarized p + p Collisions at s = 200     GeV journal July 2009
Evidence for Polarization of Gluons in the Proton journal July 2014
Precision Measurement of the Longitudinal Double-Spin Asymmetry for Inclusive Jet Production in Polarized Proton Collisions at s = 200     GeV journal August 2015
Measurement of Direct Photon Production in p + p Collisions at s = 200     GeV journal January 2007
Prospects for Spin Physics at RHIC journal December 2000
GEANT: Detector Description and Simulation Tool null January 2008

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