Transverse momentum dependence of eta meson suppression in Au+Au collisions at sqrt(s_NN) = 200 GeV
Creators: name: Adare, A.
name: Afanasiev, S.
name: Aidala, C.
name: Ajitanand, N. N.
name: Akiba, Y.
name: Al-Bataineh, H.
name: Alexander, J.
name: Aoki, K.
name: Aphecetche, L.
name: Aramaki, Y.
name: Asai, J.
name: Atomssa, E. T.
name: Averbeck, R.
name: Awes, T. C.
name: Azmoun, B.
name: Babintsev, V.
name: Bai, M.
name: Baksay, G.
name: Baksay, L.
name: Baldisseri, A.
name: Barish, K. N.
name: Barnes, P. D.
name: Bassalleck, B.
name: Basye, A. T.
name: Bathe, S.
name: Batsouli, S.
name: Baublis, V.
name: Baumann, C.
name: Bazilevsky, A.
name: Belikov, S.
name: Belmont, R.
name: Bennett, R.
name: Berdnikov, A.
name: Berdnikov, Y.
name: Bickley, A. A.
name: Boissevain, J. G.
name: Bok, J. S.
name: Borel, H.
name: Boyle, K.
name: Brooks, M. L.
name: Buesching, H.
name: Bumazhnov, V.
name: Bunce, G.
name: Butsyk, S.
name: Camacho, C. M.
name: Campbell, S.
name: Chang, B. S.
name: Chang, W. C.
name: Charvet, J. -L.
name: Chen, C. -H.
name: Chernichenko, S.
name: Chi, C. Y.
name: Chiu, M.
name: Choi, I. J.
name: Choudhury, R. K.
name: Christiansen, P.
name: Chujo, T.
name: Chung, P.
name: Churyn, A.
name: Chvala, O.
name: Cianciolo, V.
name: Citron, Z.
name: Cole, B. A.
name: Connors, M.
name: Constantin, P.
name: Csanád, M.
name: Csörgő, T.
name: Dahms, T.
name: Dairaku, S.
name: Danchev, I.
name: Das, K.
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name: David, G.
name: Denisov, A.
name: d'Enterria, D.
name: Deshpande, A.
name: Desmond, E. J.
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name: Durham, J. M.
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Publisher: name: arXiv
Year: 2010
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: New measurements by the PHENIX experiment at RHIC for eta production at midrapidity as a function of transverse momentum (p_T) and collision centrality in sqrt(s_NN) = 200 GeV Au+Au and p+p collisions are presented. They indicate nuclear modification factors (R_AA) that are similar both in magnitude and trend to those found in earlier pi^0 measurements. Linear fits to R_AA in the 5--20 GeV/c p_T region show that the slope is consistent with zero within two standard deviations at all centralities although a slow rise cannot be excluded. Having different statistical and systematic uncertainties the pi^0 and eta measurements are complementary at high p_T; thus, along with the extended p_T range of these data they can provide additional constraints for theoretical modeling and the extraction of transport properties.
description: 427 authors, 7 pages, 6 figures, 3 tables. Submitted to Phys. Rev. C, Rapid Communications. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html