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On the analysis of deep inelastic neutron scatering experiments

机译:深部非弹性中子散射实验分析

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We analyze the different steps that must be followed for data processing in Deep Inelastic Neutron Scattering Experiments. Firstly we discuss to what extent multiple scattering effects can affect the measured peak shape, concluding that an accurate calculation of these effects must be performed to extract the desired effective temperature from the experimental data. We present a Monte Carlo procedure to perform these corrections. Next, we focus our attention on experiments performed light nuclei. We examine cases in which the desired information is obtained from the observed peak areas, and we analyze the procedure to obtain an effective temperature from the experimental peaks. As a consequence of the results emerging from those cases we trace the limits of validity of the convolution formalism usually employed, and propose a different treatment of the experimental data for this kind of measurements.
机译:我们分析了深非弹性中子散射实验中数据处理必须遵循的不同步骤。首先,我们讨论了多重散射效应可在多大程度上影响所测峰形,并得出结论,必须对这些效应进行精确计算,才能从实验数据中提取所需的有效温度。我们提出了蒙特卡洛程序来执行这些更正。接下来,我们将注意力集中在进行轻核的实验上。我们检查了从观察到的峰面积中获得所需信息的情况,并分析了从实验峰中获得有效温度的过程。由于从这些情况中得出的结果,我们追踪了通常使用的卷积形式主义有效性的局限性,并针对这种测量方法对实验数据提出了不同的处理方法。

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