Accesing the Gluon Polarization through the Double Longitudinal Spin Asymmetrie in Charged Pion Production at PHENIX - High Energy Physics - ExperimentReport as inadecuate




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Abstract: With proton-proton collisions at PHENIX a variety of direct channels are usedto probe the proton substructure. Of the many channels available at PHENIX,charged pion measurements are expected to have sensitivity of Delta g and thushelp in the global analysis that will constrain it. We present a measurement ofmid-rapidity charged pion production double longitudinal spin asymmetries ALLat the pT range of 5-10 GeV-c at collision energies of sqrts = 200 GeV.



Author: Astrid Morreale

Source: https://arxiv.org/



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