First analysis of anisotropic flow with Lee–Yang zeros

We report on the first analysis of directed and elliptic flow with the new method of Lee-Yang zeros. Experimental data are presented for Ru+Ru reactions at 1.69A GeV measured with the FOPI detector at SIS/GSI. The results obtained with several methods, based on the event-plane reconstruction, on Lee...

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Veröffentlicht in:	Physical review. C, Nuclear physics Nuclear physics, 2005-07, Vol.72 (1), Article 011901
Hauptverfasser:	Bastid, N., Andronic, A., Barret, V., Basrak, Z., Benabderrahmane, M. L., Čaplar, R., Cordier, E., Crochet, P., Dupieux, P., Dželalija, M., Fodor, Z., Gašparić, I., Gobbi, A., Grishkin, Y., Hartmann, O. N., Herrmann, N., Hildenbrand, K. D., Hong, B., Kecskemeti, J., Kim, Y. J., Kirejczyk, M., Koczon, P., Korolija, M., Kotte, R., Kress, T., Lebedev, A., Leifels, Y., Lopez, X., Mangiarotti, A., Manko, V., Merschmeyer, M., Moisa, D., Neubert, W., Pelte, D., Petrovici, M., Rami, F., Reisdorf, W., Schuettauf, A., Seres, Z., Sikora, B., Sim, K. S., Simion, V., Siwek-Wilczyńska, K., Smolarkiewicz, M. M., Smolyankin, V., Soliwoda, I. J., Stockmeier, M. R., Stoicea, G., Tyminski, Z., Wiśniewski, K., Wohlfarth, D., Xiao, Z., Yushmanov, I., Zhilin, A., Ollitrault, J.-Y., Borghini, N.
Format:	Artikel
Sprache:	eng
Schlagworte:	ANISOTROPY COLLECTIVE MODEL CORRELATIONS GEV RANGE NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEONS RUTHENIUM 100 TARGET RUTHENIUM 102 TARGET RUTHENIUM 104 REACTIONS RUTHENIUM 104 TARGET RUTHENIUM 99 TARGET
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Zusammenfassung:	We report on the first analysis of directed and elliptic flow with the new method of Lee-Yang zeros. Experimental data are presented for Ru+Ru reactions at 1.69A GeV measured with the FOPI detector at SIS/GSI. The results obtained with several methods, based on the event-plane reconstruction, on Lee-Yang zeros, and on multiparticle cumulants (up to fifth order) applied for the first time at SIS energies, are compared. They show conclusive evidence that azimuthal correlations between nucleons and composite particles at this energy are largely dominated by anisotropic flow.
ISSN:	0556-2813 1089-490X
DOI:	10.1103/PhysRevC.72.011901