Effects of HBT correlations on flow measurements
Dinh PM, Borghini N, Ollitrault JY (2000)
Physics Letters B 477(1-3): 51-58.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Dinh, PM;
Borghini, NicolasUniBi
;
Ollitrault, JY
![](https://pub.uni-bielefeld.de/images/icon_orcid.png)
Abstract / Bemerkung
The methods currently used to measure collective flow in nucleus-nucleus collisions assume that the only azimuthal correlations between particles are those arising from their correlation with the reaction plane. However, quantum HBT correlations also produce shea range azimuthal correlations between identical particles. This creates apparent azimuthal anisotropies of a few percent when pions are used to estimate the direction of the reaction plane. These should not be misinterpreted as originating from collective flow. In particular, we show that the peculiar behaviour of the directed and elliptic flow of pions observed by NA49 at low p(T) can be entirely understood in terms of HBT correlations. Such correlations also produce apparent higher Fourier harmonics (of order n greater than or equal to 3) of the azimuthal distribution, with magnitudes of the order of 1%, which should be looked for in the data. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
Erscheinungsjahr
2000
Zeitschriftentitel
Physics Letters B
Band
477
Ausgabe
1-3
Seite(n)
51-58
ISSN
0370-2693
Page URI
https://pub.uni-bielefeld.de/record/2322572
Zitieren
Dinh PM, Borghini N, Ollitrault JY. Effects of HBT correlations on flow measurements. Physics Letters B. 2000;477(1-3):51-58.
Dinh, P. M., Borghini, N., & Ollitrault, J. Y. (2000). Effects of HBT correlations on flow measurements. Physics Letters B, 477(1-3), 51-58. https://doi.org/10.1016/S0370-2693(00)00181-7
Dinh, PM, Borghini, Nicolas, and Ollitrault, JY. 2000. “Effects of HBT correlations on flow measurements”. Physics Letters B 477 (1-3): 51-58.
Dinh, P. M., Borghini, N., and Ollitrault, J. Y. (2000). Effects of HBT correlations on flow measurements. Physics Letters B 477, 51-58.
Dinh, P.M., Borghini, N., & Ollitrault, J.Y., 2000. Effects of HBT correlations on flow measurements. Physics Letters B, 477(1-3), p 51-58.
P.M. Dinh, N. Borghini, and J.Y. Ollitrault, “Effects of HBT correlations on flow measurements”, Physics Letters B, vol. 477, 2000, pp. 51-58.
Dinh, P.M., Borghini, N., Ollitrault, J.Y.: Effects of HBT correlations on flow measurements. Physics Letters B. 477, 51-58 (2000).
Dinh, PM, Borghini, Nicolas, and Ollitrault, JY. “Effects of HBT correlations on flow measurements”. Physics Letters B 477.1-3 (2000): 51-58.
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arXiv: nucl-th/9912013
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