Cross section and double helicity asymmetry for eta mesons and their comparison to pi(0) production in p plus p collisions at root s=200 GeV

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dc.contributor.author Adare, Andrew
dc.contributor.author Ogilvie, Craig
dc.contributor.author Grau, Nathan
dc.contributor.author Hill, John
dc.contributor.author Kempel, Todd
dc.contributor.author Lajoie, John
dc.contributor.author Lebedev, Alexandre
dc.contributor.author Ogilvie, Craig
dc.contributor.author Pei, H.
dc.contributor.author Rosati, Marzia
dc.contributor.author Semenov, Alexey
dc.contributor.author Skutnik, S.
dc.contributor.author Vale, Carla
dc.contributor.author Wei, Feng
dc.contributor.author et al.
dc.contributor.department Physics and Astronomy
dc.date 2018-02-18T13:09:27.000
dc.date.accessioned 2020-06-30T06:18:29Z
dc.date.available 2020-06-30T06:18:29Z
dc.date.copyright Sat Jan 01 00:00:00 UTC 2011
dc.date.issued 2011-02-01
dc.description.abstract <p>Measurements of double-helicity asymmetries in inclusive hadron production in polarized p + p collisions are sensitive to helicity-dependent parton distribution functions, in particular, to the gluon helicity distribution, Delta g. This study focuses on the extraction of the double-helicity asymmetry in eta production ((p) over right arrow + (p) over right arrow -> eta + X), the eta cross section, and the eta/pi(0) cross section ratio. The cross section and ratio measurements provide essential input for the extraction of fragmentation functions that are needed to access the helicity-dependent parton distribution functions.</p>
dc.description.comments <p>This article is published as Adare, A., S. Afanasiev, C. Aidala, N. N. Ajitanand, Yasuyuki Akiba, H. Al-Bataineh, J. Alexander et al. "Cross section and double helicity asymmetry for η mesons and their comparison to π 0 production in p+ p collisions at s= 200 GeV." <em>Physical Review D</em> 83, no. 3 (2011): 032001. DOI:<a href="http://dx.doi.org/10.1103/PhysRevD.83.032001" target="_blank">10.1103/PhysRevD.83.032001</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/physastro_pubs/291/
dc.identifier.articleid 1297
dc.identifier.contextkey 10246587
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath physastro_pubs/291
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/57046
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/physastro_pubs/291/2011_Ogilvie_CrossSection.pdf|||Fri Jan 14 23:14:15 UTC 2022
dc.source.uri 10.1103/PhysRevD.83.032001
dc.subject.disciplines Elementary Particles and Fields and String Theory
dc.subject.disciplines Physics
dc.title Cross section and double helicity asymmetry for eta mesons and their comparison to pi(0) production in p plus p collisions at root s=200 GeV
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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