Integration of single-crystal reflections using area multidetectors

The development of multidetectors for use in X-ray and neutron scattering experiments has created an interest in methods for integrating Bragg peaks in three-dimensional data arrays representing intensity scattered from single crystals. A method of using a priori information, extracted from the strongest peaks, to obtain statistically optimum results has been developed at the Institut Laue-Langevin (ILL), Grenoble. The method is outlined in this paper and results of its application to neutron diffraction are discussed.