Quasi-elastic X-ray scattering divergence analysis calculation

Abstract
A FORTRAN 77 program is described that enables a numerical investigation to be made of the variation of instrumental resolution corrections with apparatus configuration for quasi-elastic X-ray scattering. The program is useful for scattering from phonons, defects, low angle Comptom processes and all instances where the energy change on scattering is at most a small fraction of the incident energy. Account can be taken of an irregular incident beam distribution (in angle and in space), a sampl...

Title of program: DIANA88
Catalogue Id: ABJK_v1_0

Nature of problem
The program addresses the problem that an inelastic (x-ray) scattering experiment necessarily records scattering smeared over a spatially spread inhomogeneous diverging incident beam, a sample mosaic spread and a finite area detector. Using measured or simulated apparatus characteristics and sample orientations, the program evalutes these effects on given theoretical intensities.

Versions of this program held in the CPC repository in Mendeley Data
ABJK_v1_0; DIANA88; 10.1016/0010-4655(89)90067-2

This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)

摘要
本文描述了一款FORTRAN 77程序，可针对准弹性X射线散射（quasi-elastic X-ray scattering）场景，开展仪器分辨率校正随仪器配置变化的数值研究。该程序适用于声子、缺陷、低角康普顿（Compton）过程的散射研究，以及所有散射过程中能量变化至多为入射能量极小一部分的场景。程序可考虑不规则入射束分布（角度与空间维度）、样品[原文截断]……

程序名称：DIANA88
目录编号：ABJK_v1_0

问题属性
本程序针对的问题为：非弹性（X射线）散射实验中，采集到的散射信号必然会因空间展宽的非均匀发散入射束、样品镶嵌展宽以及面探测器的有限面积而出现展宽模糊。程序可基于实测或模拟得到的仪器特性与样品取向，评估上述效应对给定理论散射强度的影响。

本程序的版本存于孟德莱数据（Mendeley Data）的CPC程序库中：ABJK_v1_0; DIANA88; 10.1016/0010-4655(89)90067-2

本程序源自贝尔法斯特女王大学所藏的CPC程序库（1969-2019年）