一种从液态氙体相中操控和识别单个钡离子的装置
仪器与探测器
2017-03-24 v2
摘要
我们描述了一种用于输运和识别在液态氙中产生的钡离子的系统，这是面向双贝塔衰变实验 nEXO 第二阶段研发工作的一部分。其目标是识别由同位素 Xe 极罕见核衰变产生的 Ba 离子，从而证实该衰变的发生。这一目标通过共振电离光谱 (Resonance Ionization Spectroscopy, RIS) 实现。在本文描述的测试装置中，Ba 离子可在液态氙或真空中产生并收集于洁净基底上。随后将该基底移至真空分析室，利用激光诱导热脱附和 RIS，结合飞行时间 (TOF) 质谱技术，对钡衰变产物进行确证识别。
引用
@article{arxiv.1407.0618,
title = {An apparatus to manipulate and identify individual Ba ions from bulk liquid Xe},
author = {K. Twelker and S. Kravitz and M. Montero Díez and G. Gratta and W. Fairbank and J. B. Albert and D. J. Auty and P. S. Barbeau and D. Beck and C. Benitez-Medina and M. Breidenbach and T. Brunner and G. F. Cao and C. Chambers and B. Cleveland and M. Coon and A. Craycraft and T. Daniels and S. J. Daugherty and C. G. Davis and R. DeVoe and S. Delaquis and T. Didberidze and J. Dilling and M. J. Dolinski and M. Dunford and L. Fabris and J. Farine and W. Feldmeier and P. Fierlinger and D. Fudenberg and G. Giroux and R. Gornea and K. Graham and C. Hall and M. Heffner and S. Herrin and M. Hughes and X. S. Jiang and T. N. Johnson and S. Johnston and A. Karelin and L. J. Kaufman and R. Killick and T. Koffas and R. Krücken and A. Kuchenkov and K. S. Kumar and D. S. Leonard and F. Leonard and C. Licciardi and Y. H. Lin and R. MacLellan and M. G. Marino and B. Mong and D. Moore and A. Odian and I. Ostrovskiy and C. Ouellet and A. Piepke and A. Pocar and F. Retiere and P. C. Rowson and M. P. Rozo and A. Schubert and D. Sinclair and E. Smith and V. Stekhanov and M. Tarka and T. Tolba and D. Tosi and J. -L. Vuilleumier and J. Walton and T. Walton and M. Weber and L. J. Wen and U. Wichoski and L. Yang and Y. -R. Yen and Y. B. Zhao},
journal= {arXiv preprint arXiv:1407.0618},
year = {2017}
}
备注
12 pages, 13 figures