ΔφϕΔη correlations in central Au+Au collisions at VsNN=200 GeV
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Publication date
2007
Authors
Bai, Y.
Benedosso, F.
Botje, M.A.J.
Castillo, J.
Grebenyuk, O.
Mischke, A.
Peitzmann, T.
Russcher, M.J.
Snellings, R.J.M.
van der Kolk, N.
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Abstract
We report charged particle pair correlation analyses in the space of Δϕ (azimuth) and Δη (pseudorapidity), for central Au+Au collisions at √sNN=200 GeV in the STAR detector. The analysis involves unlike-sign charged pairs and like-sign charged pairs, which are transformed into charge-dependent (CD) signals and charge-independent (CI) signals. We present detailed parametrizations of the data. A model featuring dense gluonic hot spots as first proposed by Van Hove predicts that the observables under investigation would have sensitivity to such a substructure should it occur, and the model also motivates selection of transverse momenta in the range 0.8
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Bai, Y, Benedosso, F, Botje, M A J, Castillo, J, Grebenyuk, O, Mischke, A, Peitzmann, T, Russcher, M J, Snellings, R J M & van der Kolk, N 2007, 'ΔφϕΔη correlations in central Au+Au collisions at VsNN=200 GeV', Physical Review. C, Nuclear physics, vol. 75, no. 3, pp. 034901/1-034901/14.