## 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

vanadium metal are compared. Four plates of vanadium metal with a combined

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

5 Absorption Corrections Tests In the first test the

**calculated**and measured □t forvanadium metal are compared. Four plates of vanadium metal with a combined

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

**calculation**of n is ...Page 208

Instead of using the measured transmission for the basis of the

A) is

assuming a - absorption cross-section (eqn (11)). Figure 10 shows some results ...

Instead of using the measured transmission for the basis of the

**calculation**, <rtot(A) is

**calculated**by integrating the diffraction pattern according to eqn (13) andassuming a - absorption cross-section (eqn (11)). Figure 10 shows some results ...

Page 209

The curves on the left were

right have QmclI = 50A_1. The straight lines correspond to the constant density

term T°(r). correct absolute normalisation. One reason for this is the discrete way

...

The curves on the left were

**calculated**using Qma* = 23.6A-1 whilst those on theright have QmclI = 50A_1. The straight lines correspond to the constant density

term T°(r). correct absolute normalisation. One reason for this is the discrete way

...

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### Common terms and phrases

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 distribution function elastic scattering energy error bars example experiment experimental Figure Fourier transform Gaussian GENIE GENIE-V3 histogram inelastic instrument intensity inverse ISIS least squares likelihood function magnetic structure magnetisation density 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 procedure quasielastic radial distribution functions 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 truncation UNIRAS unit cell vanadium vector wavelength workspace