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arXiv 1807.07570physics.ins-detnucl-ex
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用GRIFFIN谱仪进行γ-γ角相关分析技术

Gamma-gamma angular correlation analysis techniques with the GRIFFIN spectrometer

J. K. Smith, A. D. MacLean, W. Ashfield, A. Chester, A. B. Garnsworthy, C. E. Svensson

摘要:

γ-γ角相关测量是一种强有力的工具,用于识别参与$γ$ -射线级联的激发核态的角动量(自旋),并用于测量多极级和混合比的过渡。尽管物理角相关性可以根据第一原理完全计算,但实验效应可能会使系数的提取以及有关自旋和混合比的结论变得困难。在这篇文章中,我们提出了数据分析技术开发的三叶草探测器的GRIFFIN光谱仪在TRIUMF-ISAC结合GEANT 4模拟,以提取准确的实验结果。

英文摘要:

Gamma-gamma angular correlation measurements are a powerful tool for identifying the angular momentum (spin) of excited nuclear states involved in a $γ$-ray cascade, and for measuring the multipole orders and mixing ratios of transitions. Though the physical angular correlations are fully calculable from first principles, experimental effects can make the extraction of coefficients and thus conclusions about spins and mixing ratios difficult. In this article we present data analysis techniques developed for the clover detectors of the GRIFFIN spectrometer at TRIUMF-ISAC combined with GEANT4 simulations in order to extract accurate experimental results.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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