gamma (1S+2S+3S) production in d plus Au and p plus p collisions at root s(NN)=200 GeV and cold-nuclear-matter effects Adare, Andrew Dion, Alan Ogilvie, Craig Hill, John Kempel, Todd Lajoie, John Lebedev, Alexandre Ogilvie, Craig Pei, H. Rosati, Marzia Semenov, Alexey Silva, C. Vale, Carla Wei, Feng et al.
dc.contributor.department Physics and Astronomy 2018-02-18T11:35:48.000 2020-06-30T06:18:10Z 2020-06-30T06:18:10Z Tue Jan 01 00:00:00 UTC 2013 2013-04-25
dc.description.abstract <p>The three gamma states, gamma (1S + 2S + 3S), are measured in d + Au and p + p collisions at root s(NN) = 200 GeV and rapidities 1.2 < vertical bar y vertical bar < 2.2 by the PHENIX experiment at the Relativistic Heavy Ion Collider. Cross sections for the inclusive gamma (1S + 2S + 3S) production are obtained. The inclusive yields per binary collision for d + Au collisions relative to those in p + p collisions (R-dAu) are found to be 0.62 +/- 0.26 (stat) +/- 0.13 (syst) in the gold-going direction and 0.91 +/- 0.33 (stat) +/- 0.16 (syst) in the deuteron-going direction. The measured results are compared to a nuclear-shadowing model, EPS09 [Eskola et al., J. High Energy Phys. 04 (2009) 065], combined with a final-state breakup cross section, sigma(br), and compared to lower energy p + A results. We also compare the results to the PHENIX J/psi results [Adare et al., Phys. Rev. Lett. 107, 142301 (2011)]. The rapidity dependence of the observed gamma suppression is consistent with lower energy p + A measurements.</p>
dc.description.comments <p>This is an article from <em>Physical Review C </em>87 (2013): 044909-1, doi:<a href="" target="_blank">10.1103/PhysRevC.87.044909</a>. Posted with permission.</p>
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dc.identifier archive/
dc.identifier.articleid 1261
dc.identifier.contextkey 10187291
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath physastro_pubs/251
dc.language.iso en
dc.source.bitstream archive/|||Fri Jan 14 22:57:24 UTC 2022
dc.source.uri 10.1103/PhysRevC.87.044909
dc.subject.disciplines Nuclear
dc.subject.disciplines Physics
dc.title gamma (1S+2S+3S) production in d plus Au and p plus p collisions at root s(NN)=200 GeV and cold-nuclear-matter effects
dc.type article
dc.type.genre article
dspace.entity.type Publication
relation.isAuthorOfPublication 0c7465f3-a076-4319-9513-6cd51186bbf6
relation.isOrgUnitOfPublication 4a05cd4d-8749-4cff-96b1-32eca381d930
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