Final state interactions in two-particle interferometry

Anchishkin, Dmitry and Heinz, Ulrich and Renk, Peter (1998) Final state interactions in two-particle interferometry. PHYSICAL REVIEW C, 57 (3). pp. 1428-1439. ISSN 0556-2813, 1089-490X

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Abstract

We reconsider the influence of two-particle final state interactions (FSI) on two-particle Bose-Einstein interferometry. We concentrate in particular on the problem of particle emission at different times. Assuming chaoticity of the source. we derive a new general expression for the symmetrized two-particle cross section. We discuss the approximations needed to derive from the general result the Koonin-Pratt formula. Introducing a less stringent version of the so-called smoothness approximation we also derive a more accurate formula. It can be implemented into classical event generators and allows us to calculate FSI corrected two-particle correlation functions via modified Bose-Einstein "weights."

Item Type: Article
Uncontrolled Keywords: BOSE-EINSTEIN CORRELATIONS; PION INTERFEROMETRY; NUCLEAR COLLISIONS
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 28 Feb 2023 07:56
Last Modified: 28 Feb 2023 07:56
URI: https://pred.uni-regensburg.de/id/eprint/50066

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