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首页> 外文期刊>Annals of nuclear energy >Experimental evidence sustaining a compact-extended model for doppler broadening of neutron absorption resonances
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Experimental evidence sustaining a compact-extended model for doppler broadening of neutron absorption resonances

机译：实验证据支持中子吸收共振的多普勒展宽的紧凑扩展模型

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Recently we presented a new model to handle solid state effects on Doppler broadening of neutron absorption resonances (DBNAR) in a simplified manner. Our model extends the commonly used effective temperature gas model (ETGM) to regions of lower energies and temperatures where the latter produces non-negligible errors; at the same time, our model reduces to the ETCM in energy and temperature regions where this model has doubtlessly proved its validity. All this is achieved with a minimum amount of information needed to describe the solid system, which is thus approximately represented by a Debye spectrum, compatible with a great degree of accuracy in the calculation. In this work a robust validation of our model is achieved when it is contrasted against experiment. 【keyworks】Neutron absorption resonances;Doppler broadening;Solid state effects;Experiment
机译：最近，我们提出了一种新模型，以简化的方式处理固态对中子吸收共振（DBNAR）的多普勒展宽的固态影响。我们的模型将常用的有效温度气体模型（ETGM）扩展到能量和温度较低的区域，后者会产生不可忽略的误差。同时，我们的模型在能量和温度区域简化为ETCM，而该模型无疑证明了其有效性。所有这些都是通过描述实体系统所需的最少信息量实现的，该信息因此大致由Debye光谱表示，在计算中具有很高的准确性。在这项工作中，通过与实验对比，可以对我们的模型进行可靠的验证。 【主要工作】中子吸收共振；多普勒展宽；固态效应；实验

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