Neutron Scattering Data Analysis 1990, Proceedings of the Conference on Neutron Scattering, 14-16 March 1990, Rutherford Appleton Laboratory, UKM. W. Johnson |
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Page 136
... beam ( IB ) , the diffracted beam ( DB ) , main detector bank ( MD ) con- sisting of 20 concentric rings of detectors , the sam- ple ( S ) and the upstream ( US ) and downstream ( DS ) monitors . nominal wavelength λ = 2d sin 010 ...
... beam ( IB ) , the diffracted beam ( DB ) , main detector bank ( MD ) con- sisting of 20 concentric rings of detectors , the sam- ple ( S ) and the upstream ( US ) and downstream ( DS ) monitors . nominal wavelength λ = 2d sin 010 ...
Page 234
... beam of wavelength 12 Å was obtained from the H17 neutron guide after passing through the helical slot velocity selector . The beam is defined by diaphragms before the sample . The planar two- dimensional detector ( 128x128 cells each ...
... beam of wavelength 12 Å was obtained from the H17 neutron guide after passing through the helical slot velocity selector . The beam is defined by diaphragms before the sample . The planar two- dimensional detector ( 128x128 cells each ...
Page 268
... beam by cycling the temperature of the monochromator in a furnace . The obvious difficulty of generating a white beam was partly the reason why crystal analyser instruments were late in development and are still quite rare instruments ...
... beam by cycling the temperature of the monochromator in a furnace . The obvious difficulty of generating a white beam was partly the reason why crystal analyser instruments were late in development and are still quite rare instruments ...
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additional algorithm allows analysis angle applications approach atoms average beam Bragg calculated cell combinatorial optimization configuration constant coordinates correction corresponding cost counts cross-section crystal deconvolution defined density dependent described detector determined diffraction direct display distribution effects elastic scattering energy error estimate example experiment experimental Figure final Fourier function give given inelastic intensity ISIS known limit magnetic Maximum Entropy measured method neutron neutron scattering normalization obtained optimization parameters particular peak performed Phys physical plot positive possible powder presented prior probability problem procedure radial distribution functions range reconstruction References refinement reflections resolution sample scale scan shown shows simulated annealing single solution space spectrum standard statistical structure factor temperature transfer transform unit usually vanadium vector wavelength