Amplitude extraction in pseudoscalar-meson photoproduction: towards a situation of complete information

Abstract

A complete set for pseudoscalar-meson photoproduction is a minimum set of observables from which one can determine the underlying reaction amplitudes unambiguously. The complete sets considered in this work involve single- and double-polarization observables. It is argued that for extracting amplitudes from data, the transversity representation of the reaction amplitudes offers advantages over alternate representations. It is shown that with the available single-polarization data for the p(γ,K^+)Λreaction, the energy and angular dependence of the moduli of the normalized transversity amplitudes in the resonance region can be determined to a fair accuracy. Determining the relative phases of the amplitudes from double-polarization observables is far less evident.

Accepted in JPhysG; Focus issue "Enhancing the interaction between nuclear experiment and theory through information and statistics" (ISNET)

References in corpus (4)

• Measurement of beam-recoil observables Ox, Oz and target asymmetry for the reaction gamma p -> K Lambda
• A Bayesian analysis of kaon photoproduction with the Regge-plus-resonance model
• Information Content of Polarization Measurements
• Kaon photoproduction from the deuteron in a Regge-plus-resonance approach

Cited by in corpus (7)

• Eta photoproduction in a combined analysis of pion- and photon-induced reactions
• Light Baryon Spectroscopy
• Light baryon resonances from a coupled-channel study including $\mathbf{K\Sigma }$ photoproduction
• Amplitude reconstruction from complete experiments and truncated partial-wave expansions
• The complete experiment problem of pseudoscalar meson photoproduction in a truncated partial wave analysis
• Analysis of the data on spin density matrix elements for $\gamma p\to K^{\ast +}\Lambda$
• New graphical criterion for the selection of complete sets of polarization observables and its application to single-meson photoproduction as well as electroproduction