Constraints on vector meson photoproduction spin observables

W. M. Kloet and Frank Tabakin
Phys. Rev. C 61, 015501 – Published 17 December 1999
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Abstract

Extraction of spin observables from vector meson photoproduction on a nucleon target is described. Starting from density matrix elements in the vector meson’s rest frame, we transform to spin observables in the photon-nucleon c.m. frame. Several constraints on the transformed density matrix and on the spin observables follow from requiring that the angular distribution and the density matrix be positive definite. A set of constraints that are required in order to extract meaningful spin observables from forthcoming data are enunciated.

  • Received 23 August 1999

DOI:https://doi.org/10.1103/PhysRevC.61.015501

©1999 American Physical Society

Authors & Affiliations

W. M. Kloet

  • Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08855-0849

Frank Tabakin

  • Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260

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Vol. 61, Iss. 1 — January 2000

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