Full metadata record
DC Field | Value | Language |
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dc.contributor.author | 한인식 | * |
dc.date.accessioned | 2017-03-01T01:03:46Z | - |
dc.date.available | 2017-03-01T01:03:46Z | - |
dc.date.issued | 2016 | * |
dc.identifier.issn | 2470-0010 | * |
dc.identifier.issn | 2470-0029 | * |
dc.identifier.other | OAK-20214 | * |
dc.identifier.uri | https://dspace.ewha.ac.kr/handle/2015.oak/234631 | - |
dc.description.abstract | We report the double-helicity asymmetry, A(LL)(J/Psi), in inclusive J/Psi production at forward rapidity as a function of transverse momentum p(T) and rapidity |y|. The data analyzed were taken during root s = 510 GeV longitudinally polarized p + p collisions at the Relativistic Heavy Ion Collider in the 2013 run using the PHENIX detector. At this collision energy, J/Psi particles are predominantly produced through gluon-gluon scatterings, thus A(LL)(J/Psi) is sensitive to the gluon polarization inside the proton. We measured A(LL)(J/Psi) by detecting the decay daughter muon pairs mu(+)mu(-) within the PHENIX muon spectrometers in the rapidity range 1.2 < |y| < 2.2. In this kinematic range, we measured the A(LL)(J/Psi) to be 0.012 +/- 0.010 (stat) +/- 0.003 (syst). The A(LL)(J.Psi) can be expressed to be proportional to the product of the gluon polarization distributions at two distinct ranges of Bjorken x: one at moderate range x approximate to 5 x 10(-2) where recent data of jet and pi(0) double helicity spin asymmetries have shown evidence for significant gluon polarization, and the other one covering the poorly known small-x region x approximate to 2 x 10(-3). Thus our new results could be used to further constrain the gluon polarization for x < 5 x 10(-2). | * |
dc.language | English | * |
dc.publisher | AMER PHYSICAL SOC | * |
dc.title | Measurements of double-helicity asymmetries in inclusive J/Psi production in longitudinally polarized p plus p collisions at root s=510 GeV | * |
dc.type | Article | * |
dc.relation.issue | 11 | * |
dc.relation.volume | 94 | * |
dc.relation.index | SCIE | * |
dc.relation.journaltitle | PHYSICAL REVIEW D | * |
dc.identifier.doi | 10.1103/PhysRevD.94.112008 | * |
dc.identifier.wosid | WOS:000391016600001 | * |
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dc.author.google | Aidala, C. | * |
dc.author.google | Ajitanand, N. N. | * |
dc.author.google | Akiba, Y. | * |
dc.author.google | Akimoto, R. | * |
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dc.author.google | Apadula, N. | * |
dc.author.google | Aramaki, Y. | * |
dc.author.google | Asano, H. | * |
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dc.author.google | Awes, T. C. | * |
dc.author.google | Azmoun, B. | * |
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dc.author.google | Boyle, K. | * |
dc.author.google | Brooks, M. L. | * |
dc.author.google | Bryslawskyj, J. | * |
dc.author.google | Buesching, H. | * |
dc.author.google | Bumazhnov, V. | * |
dc.author.google | Campbell, S. | * |
dc.author.google | Chen, C. -H. | * |
dc.author.google | Chi, C. Y. | * |
dc.author.google | Chiu, M. | * |
dc.author.google | Choi, I. J. | * |
dc.author.google | Choi, J. B. | * |
dc.author.google | Chujo, T. | * |
dc.author.google | Citron, Z. | * |
dc.author.google | Csanad, M. | * |
dc.author.google | Csorgo, T. | * |
dc.author.google | Danley, T. W. | * |
dc.author.google | Datta, A. | * |
dc.author.google | Daugherity, M. S. | * |
dc.author.google | David, G. | * |
dc.author.google | DeBlasio, K. | * |
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dc.author.google | Durum, A. | * |
dc.author.google | Enokizono, A. | * |
dc.author.google | En'yo, H. | * |
dc.author.google | Esumi, S. | * |
dc.author.google | Fadem, B. | * |
dc.author.google | Feege, N. | * |
dc.author.google | Fields, D. E. | * |
dc.author.google | Finger, M. | * |
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dc.author.google | Hashimoto, K. | * |
dc.author.google | He, X. | * |
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dc.author.google | Imai, K. | * |
dc.author.google | Imazu, Y. | * |
dc.author.google | Inaba, M. | * |
dc.author.google | Iordanova, A. | * |
dc.author.google | Isenhower, D. | * |
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dc.author.google | Kazantsev, A. V. | * |
dc.author.google | Key, J. A. | * |
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dc.author.google | Khanzadeev, A. | * |
dc.author.google | Kihara, K. | * |
dc.author.google | Kim, C. | * |
dc.author.google | Kim, D. H. | * |
dc.author.google | Kim, D. J. | * |
dc.author.google | Kim, E. -J. | * |
dc.author.google | Kim, G. W. | * |
dc.author.google | Kim, H. -J. | * |
dc.author.google | Kim, M. | * |
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dc.author.google | Kimelman, B. | * |
dc.author.google | Kistenev, E. | * |
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dc.author.google | Kurosawa, M. | * |
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dc.author.google | Lacey, R. | * |
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dc.author.google | Lee, K. B. | * |
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dc.author.google | Zhou, S. | * |
dc.author.google | Zou, L.|PHENIX Collaboration | * |
dc.contributor.scopusid | 한인식(7201832280;57205469686;57192312712) | * |
dc.date.modifydate | 20240415134453 | * |