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Suppression of away-side jet fragments with respect to the reaction plane in Au+ Au collisions at sqrt [s_ {NN}]= 200 GeV

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/20563

Suppression of away-side jet fragments with respect to the reaction plane in Au+ Au collisions at sqrt [s_ {NN}]= 200 GeV

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dc.contributor.author Fields, Douglas E.
dc.contributor.author PHENIX Collaboration
dc.contributor.author Al-Bataineh, H.
dc.contributor.author Kyle, G. S.
dc.contributor.author Liu, H.
dc.contributor.author Papavassiliou, V.
dc.contributor.author Pate, S. F.
dc.contributor.author Stepanov, M.
dc.contributor.author Wang, X. R.
dc.contributor.author Barnes, P. D.
dc.contributor.author Boissevain, J. G.
dc.contributor.author Brooks, M. L.
dc.contributor.author Butsyk, S.
dc.contributor.author Camacho, C. M.
dc.contributor.author Constantin, P.
dc.contributor.author Kapustinsky, J.
dc.contributor.author Kunde, G. J.
dc.contributor.author Lee, D. M.
dc.contributor.author Leitch, M. J.
dc.contributor.author Liu, M. X.
dc.contributor.author McGaughey, P. L.
dc.contributor.author Palounek, A. P. T.
dc.contributor.author Purwar, A. K.
dc.contributor.author Sondheim, W. E.
dc.contributor.author Van Hecke, H. W.
dc.contributor.author Bassalleck, B.
dc.contributor.author Kotchetkov, D.
dc.contributor.author Malik, M. D.
dc.contributor.author Rak, J.
dc.contributor.author Thomas, T. L.
dc.contributor.author Younus, I.
dc.date.accessioned 2012-05-14T23:18:46Z
dc.date.available 2012-05-14T23:18:46Z
dc.date.issued 2011-08-09
dc.identifier.citation Physical Review C, 84(2): 1-12 en_US
dc.identifier.uri http://hdl.handle.net/1928/20563
dc.description http://prc.aps.org/pdf/PRC/v84/i2/e024904 en_US
dc.description.abstract Pair correlations between large transverse momentum neutral pion triggers (pT=4--7 GeV/c) and charged hadron partners (pT=3--7 GeV/c) in central (0%–20%) and midcentral (20%–60%) Au+Au collisions at √sNN=200 GeV are presented as a function of trigger orientation with respect to the reaction plane. The particles are at larger momentum than where jet shape modifications have been observed, and the correlations are sensitive to the energy loss of partons traveling through hot dense matter. An out-of-plane trigger particle produces only 26±20% of the away-side pairs that are observed opposite of an in-plane trigger particle for midcentral (20%–60%) collisions. In contrast, near-side jet fragments are consistent with no suppression or dependence on trigger orientation with respect to the reaction plane. These observations are qualitatively consistent with a picture of little near-side parton energy loss either due to surface bias or fluctuations and increased away-side parton energy loss due to a long path through the medium. The away-side suppression as a function of reaction-plane angle is shown to be sensitive to both the energy loss mechanism and the space-time evolution of heavy-ion collisions. en_US
dc.description.sponsorship American Physical Society en_US
dc.language.iso en_US en_US
dc.publisher American Physical Society en_US
dc.title Suppression of away-side jet fragments with respect to the reaction plane in Au+ Au collisions at sqrt [s_ {NN}]= 200 GeV en_US
dc.type Article en_US


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