NUKLEONIKA 2004, 49(Supplement 2):s37-s39

Using UrQMD generated Au-Au collisions, two different methods of introducing Bose-Einstein (BE) correlations among final state particles are applied. New algorithm, which reassigns charges of produced particles but does not alter the original four-momenta, provided by an event generator, is compared to the standard weighting method. Correlation functions C₂ in q_inv and Bertsch-Pratt parametrizations are studied. While longitudinal radii are the same in both approaches, the transverse and invariant radii as well as the correlation strength l are substantially overestimated in charge reassigning approach.