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Phys. Rev. C 79, 054905 (2009) [10 pages]

Analysis of nucleus-nucleus collisions at high energies and random matrix theory

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R. G. Nazmitdinov1,2, E. I. Shahaliev3,4, M. K. Suleymanov3, and S. Tomsovic5,*
1Departament de Física, Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain
2Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, RU-141980 Dubna, Russia
3High Energy Physics Laboratory, Joint Institute for Nuclear Research, RU-141980 Dubna, Russia
4Institute of Radiation Problems, 370143 Baku, Azerbaijan
5Max-Planck-Institut für Physik komplexer Systeme, Nöthnitzer Straβe 38, D-01187 Dresden, Germany

Received 3 April 2008; revised 10 February 2009; published 6 May 2009

We propose a novel statistical approach to the analysis of experimental data obtained in nucleus-nucleus collisions at high energies which borrows from methods developed within the context of random matrix theory. It is applied to the detection of correlations in a system of secondary particles. We find good agreement between the results obtained in this way and a standard analysis based on the method of effective mass spectra and two-pair correlation function often used in high energy physics. The method introduced here is free from unwanted background contributions.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.79.054905
DOI:
10.1103/PhysRevC.79.054905
PACS:
25.75.Gz, 24.10.-i, 24.60.Ky, 24.60.Lz

*Permanent address: Department of Physics and Astronomy, Washington State University, Pullman, WA 99164-2814, USA.

 
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