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Nuclear matter effects on J/psi production in asymmetric Cu plus Au collisions at root S-NN=200 GeV

Adare, A.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Akimoto, R.; Alexander, J.; Alfred, M.; Aoki, K.; Apadula, N. and Aramaki, Y., et al. (2014) In Physical Review C (Nuclear Physics) 90(6).
Abstract
We report on J/psi production from asymmetric Cu + Au heavy-ion collisions at root S-NN = 200 GeV at the Relativistic Heavy Ion Collider at both forward (Cu-going direction) and backward (Au-going direction) rapidities. The nuclear modification of J/psi yields in Cu + Au collisions in the Au-going direction is found to be comparable to that inAu + Au collisions when plotted as a function of the number of participating nucleons. In the Cu-going direction, J/psi production shows a stronger suppression. This difference is comparable in magnitude and has the same sign as the difference expected from shadowing effects due to stronger low-x gluon suppression in the larger Au nucleus.
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Physical Review C (Nuclear Physics)
volume
90
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6
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American Physical Society
external identifiers
  • wos:000349346600001
  • scopus:84919713150
ISSN
0556-2813
DOI
10.1103/PhysRevC.90.064908
language
English
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2015-03-31 09:07:54
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@article{ca1715d2-61d3-4a3f-8bf2-1294ff0f3972,
  abstract     = {We report on J/psi production from asymmetric Cu + Au heavy-ion collisions at root S-NN = 200 GeV at the Relativistic Heavy Ion Collider at both forward (Cu-going direction) and backward (Au-going direction) rapidities. The nuclear modification of J/psi yields in Cu + Au collisions in the Au-going direction is found to be comparable to that inAu + Au collisions when plotted as a function of the number of participating nucleons. In the Cu-going direction, J/psi production shows a stronger suppression. This difference is comparable in magnitude and has the same sign as the difference expected from shadowing effects due to stronger low-x gluon suppression in the larger Au nucleus.},
  articleno    = {064908},
  author       = {Adare, A. and Aidala, C. and Ajitanand, N. N. and Akiba, Y. and Akimoto, R. and Alexander, J. and Alfred, M. and Aoki, K. and Apadula, N. and Aramaki, Y. and Asano, H. and Atomssa, E. T. and Awes, T. C. and Azmoun, B. and Babintsev, V. and Bai, M. and Bai, X. and Bandara, N. S. and Bannier, B. and Barish, K. N. and Bathe, S. and Baublis, V. and Baumann, C. and Baumgart, S. and Bazilevsky, A. and Beaumier, M. and Beckman, S. and Belmont, R. and Berdnikov, A. and Berdnikov, Y. and Bing, X. and Black, D. and Blau, D. S. and Bok, J. S. and Boyle, K. and Brooks, M. L. and Bryslawskyj, J. and Buesching, H. and Bumazhnov, V. and Butsyk, S. and Campbell, S. and Chen, C. -H. and Chi, C. Y. and Chiu, M. and Choi, I. J. and Choi, J. B. and Choi, S. and Christiansen, Peter and Chujo, T. and Cianciolo, V. and Citron, Z. and Cole, B. A. and Cronin, N. and Crossette, N. and Csanad, M. and Csoergo, T. and Datta, A. and Daugherity, M. 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  issn         = {0556-2813},
  language     = {eng},
  number       = {6},
  publisher    = {American Physical Society},
  series       = {Physical Review C (Nuclear Physics)},
  title        = {Nuclear matter effects on J/psi production in asymmetric Cu plus Au collisions at root S-NN=200 GeV},
  url          = {http://dx.doi.org/10.1103/PhysRevC.90.064908},
  volume       = {90},
  year         = {2014},
}