Spatially uniform calibration of a liquid xenon detector at low energies using (83m)Kr.
作者： T. Marrodán Undagoitia , A. Manalaysay , A. D. Ferella , A. Askin , A. Kish
DOI: 10.1063/1.3436636
关键词: Atomic physics 、 Range (particle radiation) 、 Xenon 、 Particle 、 Calibration 、 Physics 、 Detector 、 Electric field 、 Noble gas 、 Computational physics 、 Quenching
摘要: A difficult task with many particle detectors focusing on interactions below ∼100 keV is to perform a calibration in the appropriate energy range that adequately probes all regions of detector. Because detector response can vary greatly various locations within device, spatially uniform important. We present new method for liquid xenon (LXe) detectors, using short-lived K83mr. This source has transitions at 9.4 and 32.1 keV, as noble gas like Xe, it disperses uniformly Even low activities, existence two provides identifying decays free background. find decreasing energies, LXe light yield increases, while amount electric field quenching diminished. Additionally, we show if any long-lived radioactive backgrounds are introduced by this method, they will less than 67×10−6 events kg−1 day−1 keV−1 next generation ...
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