Quasi two body e+e- annihilation

G. Kramer, T. F. Walsh

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

We present the helicity formalism for e+ e- annihilation into two-body resonance states, and show how to systematically extract the magnitudes and relative phases of the form factors present in the one-photon exchange approximation. This entails measurement of one-particle density matrices and certain polarization correlations in the final state. We discuss, as an example, the vector meson dominance expectations for annihilation into meson resonances and show how this model can be tested.

Original languageEnglish (US)
Pages (from-to)361-386
Number of pages26
JournalZeitschrift für Physik
Volume263
Issue number5
DOIs
StatePublished - Oct 1 1973

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