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Azimuthal-Angle Dependence of Charged-Pion-Interferometry Measurements with Respect to Second- and Third-Order Event Planes in Au+Au Collisions at sqrt[s_{NN}]=200 GeV.

Adare, A; Afanasiev, S; Aidala, C; Ajitanand, N N; Akiba, Y; Al-Bataineh, H; Alexander, J; Aoki, K; Aramaki, Y and Atomssa, E T, et al. (2014) In Physical Review Letters 112(22).
Abstract
Charged-pion-interferometry measurements were made with respect to the second- and third-order event plane for Au+Au collisions at sqrt[s_{NN}]=200 GeV. A strong azimuthal-angle dependence of the extracted Gaussian-source radii was observed with respect to both the second- and third-order event planes. The results for the second-order dependence indicate that the initial eccentricity is reduced during the medium evolution, which is consistent with previous results. In contrast, the results for the third-order dependence indicate that the initial triangular shape is significantly reduced and potentially reversed by the end of the medium evolution, and that the third-order oscillations are largely dominated by the dynamical effects from... (More)
Charged-pion-interferometry measurements were made with respect to the second- and third-order event plane for Au+Au collisions at sqrt[s_{NN}]=200 GeV. A strong azimuthal-angle dependence of the extracted Gaussian-source radii was observed with respect to both the second- and third-order event planes. The results for the second-order dependence indicate that the initial eccentricity is reduced during the medium evolution, which is consistent with previous results. In contrast, the results for the third-order dependence indicate that the initial triangular shape is significantly reduced and potentially reversed by the end of the medium evolution, and that the third-order oscillations are largely dominated by the dynamical effects from triangular flow. (Less)
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Physical Review Letters
volume
112
issue
22
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American Physical Society
external identifiers
  • pmid:24949761
  • wos:000336909200003
  • scopus:84901942527
ISSN
1079-7114
DOI
10.1103/PhysRevLett.112.222301
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English
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3a76ca93-7121-44d3-ad3b-a8200e31f26c (old id 4527465)
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2014-07-08 13:45:58
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  abstract     = {Charged-pion-interferometry measurements were made with respect to the second- and third-order event plane for Au+Au collisions at sqrt[s_{NN}]=200 GeV. A strong azimuthal-angle dependence of the extracted Gaussian-source radii was observed with respect to both the second- and third-order event planes. The results for the second-order dependence indicate that the initial eccentricity is reduced during the medium evolution, which is consistent with previous results. In contrast, the results for the third-order dependence indicate that the initial triangular shape is significantly reduced and potentially reversed by the end of the medium evolution, and that the third-order oscillations are largely dominated by the dynamical effects from triangular flow.},
  articleno    = {222301},
  author       = {Adare, A and Afanasiev, S and Aidala, C and Ajitanand, N N and Akiba, Y and Al-Bataineh, H and Alexander, J and Aoki, K and Aramaki, Y and Atomssa, E T and Averbeck, R and Awes, T C and Azmoun, B and Babintsev, V and Bai, M and Baksay, G and Baksay, L and Barish, K N and Bassalleck, B and Basye, A T and Bathe, S and Baublis, V and Baumann, C and Bazilevsky, A and Belikov, S and Belmont, R and Bennett, R and Berdnikov, A and Berdnikov, Y and Bickley, A A and Bok, J S and Boyle, K and Brooks, M L and Buesching, H and Bumazhnov, V and Bunce, G and Butsyk, S and Camacho, C M and Campbell, S and Chen, C-H and Chi, C Y and Chiu, M and Choi, I J and Choudhury, R K and Christiansen, Peter and Chujo, T and Chung, P and Chvala, O and Cianciolo, V and Citron, Z and Cole, B A and Connors, M and Constantin, P and Csanád, M and Csörgő, T and Dahms, T and Dairaku, S and Danchev, I and Das, K and Datta, A and David, G and Denisov, A and Deshpande, A and Desmond, E J and Dietzsch, O 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  issn         = {1079-7114},
  language     = {eng},
  number       = {22},
  publisher    = {American Physical Society},
  series       = {Physical Review Letters},
  title        = {Azimuthal-Angle Dependence of Charged-Pion-Interferometry Measurements with Respect to Second- and Third-Order Event Planes in Au+Au Collisions at sqrt[s_{NN}]=200 GeV.},
  url          = {http://dx.doi.org/10.1103/PhysRevLett.112.222301},
  volume       = {112},
  year         = {2014},
}