Elsevier

Physics Letters B

Volume 817, 10 June 2021, 136349
Physics Letters B

Weak kaon production off the nucleon and Watson's theorem

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Abstract

We have improved the tree-level model of Ref. [1] for weak production of kaons off nucleons by partially restoring unitarity. This is achieved by imposing Watson's theorem to the dominant vector and axial-vector contributions in appropriate angular momentum and isospin quantum number sectors. The observable consequences of this procedure are investigated.

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