## Neutron scattering data analysis 1990: invited and contributed papers from the Conference on Neutron Scattering Data Analysis held at the Rutherford Appleton Laboratory, Chilton, 14-16 March 1990 |

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Page 140

5 Absorption Corrections Tests In the first test the calculated and measured ft for

thickness of 14.5(5)mm were used for the measurements. The calculation of y. is

...

5 Absorption Corrections Tests In the first test the calculated and measured ft for

**vanadium**metal are compared. Four plates of**vanadium**metal with a combinedthickness of 14.5(5)mm were used for the measurements. The calculation of y. is

...

Page 143

Finally, the normalization factor N(X) is obtained by taking the reciprocal of the

final

spectra. The ratios of the N(X) determined using diffraction and

Finally, the normalization factor N(X) is obtained by taking the reciprocal of the

final

**vanadium**spectra after any diffraction peaks have been removed from thatspectra. The ratios of the N(X) determined using diffraction and

**vanadium**cal- ...Page 204

The second reason for performing a fit is to filter out noise since (excluding the

Bragg peaks)

low order Chebyshev polynomial is thus used to perform the fit. A typical fit ...

The second reason for performing a fit is to filter out noise since (excluding the

Bragg peaks)

**vanadium**gives rise to smooth slowly varying spectra. A relativelylow order Chebyshev polynomial is thus used to perform the fit. A typical fit ...

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### Common terms and phrases

Acta Cryst algorithm applications approach atoms Bayesian beam Bragg peaks calculated configuration constraints coordinates corresponding cost function cross-section crystallographic Data Anal data analysis data set defined detector bank determined diffraction data diffractometer elastic scattering energy error bars example experiment experimental Figure Fourier transform Gaussian GENIE GENIE-V3 histogram inelastic instrument intensity interpolation inverse ISIS least squares likelihood function magnetic structure magnetisation density Markov chain matrix MaxEnt Reconstruction Maximum Entropy McGreevy measured method molecular Monte Carlo neutron diffraction neutron scattering normalisation normalization obtained optimisation optimization problems parameters Patterson map performed Phys plot positive powder diffraction presented at Neutron prior probability procedure quasielastic refinement reflectivity data resolution function ROTAX Rutherford Appleton Laboratory sample scan scattering law shown simulated annealing single crystal solution spectra spectrometer spectrum statistical structure factor symmetry technique temperature time-of-flight UNIRAS unit cell vanadium vector wavelength workspace