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Generalization of the classical xyz-polarization analysis technique to out-of-plane and inelastic scattering

In English

Författare

  • G. Ehlers
  • J. R. Stewart
  • A. R. Wildes
  • Pascale Deen
  • Ken Andersen

Summary, in English

The technique of longitudinal ("xyz") polarization analysis has been used successfully for many years to study disordered magnetic materials in thermal and cold neutron diffraction experiments. The technique allows the simultaneous and unambiguous separation of the nuclear, magnetic, and nuclear spin-incoherent contributions to the scattering. The technical advances seen in recent years, such as the availability of polarized He-3 analyzer cells to cover a large detector solid angle, the ability to detect out-of-plane scattering in a multi-detector, and a significant increase of the usable beam divergence, call for a generalization of the method. A general treatment of the formalism for carrying out neutron polarization analysis will be given in this paper, which describes a possible method of usage at a future, modern diffractometer or inelastic spectrometer with large area multi-detector coverage. (C) 2013 AIP Publishing LLC.

Publiceringsår

2013

Språk

Engelska

Publikation/Tidskrift/Serie

Review of Scientific Instruments

Volym

84

Issue

9

Dokumenttyp

Artikel i tidskrift

Förlag

American Institute of Physics (AIP)

Ämne

  • Natural Sciences
  • Physical Sciences

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1089-7623