New class of Hanbury-Brown-Twiss parameters

Wiedemann, Urs Achim and Heinz, Ulrich (1997) New class of Hanbury-Brown-Twiss parameters. PHYSICAL REVIEW C, 56 (2). R610-R613. ISSN 0556-2813, 1089-490X

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Abstract

In heavy ion collisions resonances can create strong non-Gaussian effects in the two-pion correlation function. Hence, the commonly used Gaussian fit parameters do not fully characterize these correlators. We suggest a different set of HBT parameters which does not presuppose a particular shape of the correlator and allows one to extract additional information not contained in the Gaussian fit parameters. Within a simple model for an expanding source including resonance decays it is shown that this additional information provides a clean distinction between scenarios with and without transverse flow.

Item Type: Article
Uncontrolled Keywords: HIGH-ENERGY COLLISIONS; HEAVY-ION COLLISIONS; PIONS
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 25 Apr 2023 06:24
Last Modified: 25 Apr 2023 06:24
URI: https://pred.uni-regensburg.de/id/eprint/50684

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