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Remarks on the parity determination of narrow resonances

C. Hanhart, J. Haidenbauer, K. Nakayama, U. -G. Meißner

hep-pharXiv:hep-ph/0410293

Abstract

Recently several proposals were put forward to determine the parity of narrow baryonic resonances, in particular the Θ+. In these proceedings we will briefly comment on the general problems in this task and then discuss in detail the potential of reactions of the type N NΘ+Y, where Y denotes a hyperon (either Σ or Λ) and the arrows indicate that a polarized initial state is required. Besides reiterating the model--independent properties of this class of reactions we discuss the physics content of some model calculations.

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