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Electron-Volt Spectroscopy On A Pulsed Neutron Source.

Newport, Robert J., Penfold, J., Williams, W.G. (1984) Electron-Volt Spectroscopy On A Pulsed Neutron Source. Nuclear Instruments and Methods in Physics Research, 224 (1-2). pp. 120-132. ISSN 0168-9002. (doi:10.1016/0167-5087(84)90456-3)


The principal design aspects of a pulsed source neutron spectrometer in which the scattered neutron energy is determined by a resonance absorption filter difference method are discussed. Calculations of the accessible dynamic range, resolution and spectrum simulations are given for the spectrometer on a high intensity pulsed neutron source, such as the spallation neutron source (SNS) now being constructed at the Rutherford Appleton Laboratory. Special emphasis is made of the advantage gained by placing coarse and fixed energy-sensitive filters before and after the scatterer; these enhance the inelastic/elastic descrimination of the method. A brief description is given of a double difference filter method which gives a superior difference peak shape as well as a better energy transfer resolution. Finally, some first results of scattering from zirconium hydride, obtained on a test spectrometer, are presented.

Item Type: Article
DOI/Identification number: 10.1016/0167-5087(84)90456-3
Subjects: Q Science
Divisions: Faculties > Sciences > School of Physical Sciences > Functional Materials Group
Depositing User: J.M. Smith
Date Deposited: 14 May 2009 11:36 UTC
Last Modified: 28 May 2019 13:53 UTC
Resource URI: (The current URI for this page, for reference purposes)
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