Title:
Improved measurement of double helicity asymmetry in inclulsive midrapidity π0 production for polarized p+p collisions at s=200GeV

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dc.contributor.authorI. Younus
dc.contributor.authorI.E. Yushmanov
dc.contributor.authorW.A. Zajc
dc.contributor.authorO. Zaudtke
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dc.contributor.authorL. Zolin
dc.contributor.authorX. Zong
dc.date.accessioned2026-02-07T04:45:08Z
dc.date.issued2006
dc.description.abstractWe present an improved measurement of the double helicity asymmetry for π0 production in polarized proton-proton scattering at s=200GeV employing the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). The improvements to our previous measurement come from two main factors: Inclusion of a new data set from the 2004 RHIC run with higher beam polarizations than the earlier run and a recalibration of the beam polarization measurements for the earlier run, which resulted in reduced uncertainties and increased beam polarizations. The results are compared to a Next to Leading Order (NLO) perturbative Quantum Chromodynamics (pQCD) calculation with a range of polarized gluon distributions. © 2006 The American Physical Society.
dc.identifier.doi10.1103/PhysRevD.73.091102
dc.identifier.issn15507998
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.73.091102
dc.identifier.urihttps://dl.bhu.ac.in/bhuir/handle/123456789/18961
dc.publisherAmerican Physical Society
dc.titleImproved measurement of double helicity asymmetry in inclulsive midrapidity π0 production for polarized p+p collisions at s=200GeV
dc.typePublication
dspace.entity.typeArticle

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