Complete set of observables for photoproduction of two pseudoscalars on a nucleon

H. Arenhövel, A. Fix

Research output: Contribution to journalArticle

Abstract

The problem of determining completely the spin amplitudes of photoproduction of two pseudoscalar mesons on a nucleon from observables is studied. The procedure of reconstruction of the scattering matrix elements from a complete set of observables is based on the expressions of all observables as quadratic Hermitian forms in the reaction matrix elements which are derived explicitly. Their inversion allows one to find explicit solutions for the reaction matrix elements in terms of observables. Two methods for finding a complete set of observables are presented. In particular, one set was found that does not contain a triple polarization observable.

Original languageEnglish
Article number034003
JournalPhysical Review C - Nuclear Physics
Volume89
Issue number3
DOIs
Publication statusPublished - 17 Mar 2014

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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