Abstract
We construct a dynamical model to study the pion correlations in the 5π annihilation ofp¯ p at rest. For the resonant channels, the simplest Lorentz-invariant couplings have been used. It is found that, in addition to the Bose-Einstein correlations caused by the finite size of the source, the dynamical correlations from the channels with intermediate resonances are important for explaining the experimental two-pion correlation function. The reliability of two standard methods for pion interferometry is tested in our model.
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On leave from Institute of Nuclear Research, Academia Sinica, P.O. Box 800204, Shanghai 201800, China
We thank Roland Rosenfelder for reading the manuscript. One of the authors, H.Q.S. wishes to thank the University of Zürich for support during his stay and the theory department at PSI for hospitality.
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Song, H.Q., Zou, B.S., Locher, M.P. et al. Dynamics of multipionp¯ p annihilation. Z. Physik A - Hadrons and Nuclei 342, 439–445 (1992). https://doi.org/10.1007/BF01294954
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DOI: https://doi.org/10.1007/BF01294954