Design study of a time of flight small-angle diffractometer for a pulsed neutron source

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The design study for a neutron SAS instrument at Argonne's proposed Intense Pulsed Neutron Source (peak thermal neutron flux 10/sup 16/ n/cm/sup 2/-sec) indicates that an effective high-resolution TOF SAS diffractometer can be constructed. The design features include a converging slit collimator, provision for 5 x 5 cm/sup 2/ sample cross sectional area, and a 1 x 1 m/sup 2/, two-dimensional detector. The fractional wavelength resolution of the instrument is negligibly small for all wavelengths. The resolution was computed by Monte Carlo simulation and is constant over most of the Q range. A special feature of the instrument is the … continued below

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22 pages

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Carpenter, J.M. & Faber, J. Jr. January 1, 1977.

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The design study for a neutron SAS instrument at Argonne's proposed Intense Pulsed Neutron Source (peak thermal neutron flux 10/sup 16/ n/cm/sup 2/-sec) indicates that an effective high-resolution TOF SAS diffractometer can be constructed. The design features include a converging slit collimator, provision for 5 x 5 cm/sup 2/ sample cross sectional area, and a 1 x 1 m/sup 2/, two-dimensional detector. The fractional wavelength resolution of the instrument is negligibly small for all wavelengths. The resolution was computed by Monte Carlo simulation and is constant over most of the Q range. A special feature of the instrument is the wide range of accessible Q's, without the requirement of instrument configurational changes. The flux on sample exceeds that at conventional reactor instruments of comparable resolution.

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22 pages

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Dep. NTIS, PC A02/MF A01.

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  • 4. international conference on small angle scattering of neutrons and x-rays, Gatlinburg, TN, USA, 1 Oct 1977

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  • Report No.: CONF-771077-4
  • Grant Number: W-7405-ENG-38
  • Office of Scientific & Technical Information Report Number: 5264638
  • Archival Resource Key: ark:/67531/metadc1072104

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1977

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  • Feb. 4, 2018, 10:51 a.m.

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  • Jan. 12, 2021, 12:50 p.m.

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Carpenter, J.M. & Faber, J. Jr. Design study of a time of flight small-angle diffractometer for a pulsed neutron source, article, January 1, 1977; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1072104/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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