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Extended sources, final state interactions and Bose-Einstein correlations

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Zeitschrift für Physik C Particles and Fields

Abstract

The isospin 2 ππ interaction is repulsive, thes-wave phase shift reaching ∼−20° at the mass of the ρ meson. Theπ ± π ±correlation function shows a strong Bose-Einstein enhancement but no clear sign of this dynamical repulsion. I present the theory of final state interactions appropriate to particle production from an extended source and demonstrate that the data are entirely consistent with the known features of the ππI=2 interaction. The results are relevant to multiple pion production ine + e − annihilation, hadronic reactions and heavy ion collisions.

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Authors and Affiliations

  1. Department of Nuclear Physics, University of Oxford, Keble Road, OX1 3RH, Oxford, UK

    M. G. Bowler

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  1. M. G. Bowler
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Bowler, M.G. Extended sources, final state interactions and Bose-Einstein correlations. Z. Phys. C - Particles and Fields 39, 81–88 (1988). https://doi.org/10.1007/BF01560395

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  • DOI: https://doi.org/10.1007/BF01560395

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