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Study of the hyperon-nucleon interaction via final-state interactions in exclusive reactions

Nicholas Zachariou, Daniel Watts, Yordanka Ilieva

SciPost Phys. Proc. 3, 026 (2020) · published 25 February 2020

Proceedings event

24th European Few Body Conference


A novel approach that allows access to long-sought information on the Hyperon-Nucleon (YN) interaction was developed by producing a hyperon beam within a few-body nuclear system, and studying final-state interactions. The determination of polarisation observables, and specifically the beam spin asymmetry, in exclusive reactions allows a detailed study of the various final-state interactions and provides us with the tools needed to isolate kinematic regimes where the YN interaction dominates. High-statistics data collected using the CLAS detector housed in Hall-B of the Thomas Jefferson laboratory allows us to obtain a large set of polarisation observables and place stringent constraints on the underlying dynamics of the YN interaction.

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