https://doi.org/10.1140/epja/i2009-10836-0
Letter
-variable calculated for the mixture of thermal sources
Institute of Experimental Physics, University of Warsaw, ul. Hoża 69, Warsaw, Poland
* e-mail: mkir@fuw.edu.pl
Received:
16
August
2008
Revised:
2
June
2009
Accepted:
3
June
2009
Published online:
23
June
2009
The 
-variable, a measure of statistical correlation of particle momenta, introduced by Mrówczyński and Gaździcki, has been calculated for the events simulated with a simple thermal toy model. It is shown that mixing two thermal sources of unequal temperature can result in negative values of .
PACS: 25.75.Gz Particle correlations and fluctuations – / 24.60.-k Statistical theory and fluctuations –
© SIF, Springer-Verlag Berlin Heidelberg, 2009
