CUPID-Mo无中微子双贝塔衰变实验的首批数据
高能物理 - 实验
2020-06-30 v1 核实验
仪器与探测器
摘要
CUPID-Mo实验正在Mo中搜寻无中微子双贝塔衰变，并为CUPID（带粒子鉴别的CUORE升级）评估低温闪烁LiMoO探测器的技术。CUPID-Mo探测器采用LiMoO晶体配合用于光探测的Ge低温量热计的双读出方案实现本底抑制。热信号与闪烁光信号的同步探测可高效区分与&事件。在本会议录中，我们讨论2019年春季首批2个月取数的结果。除所有探测器在2615keV处具有6.7keV（FWHM）的优异量热性能及优于99.9%的分辨能力外，我们还报告了Th和U的体积放射性纯度。最后，我们根据积累的物理数据给出Mo的yr限制，并讨论CUPID-Mo直至预计2020年初物理取数结束的灵敏度。
引用
@article{arxiv.1911.10426,
title = {First data from the CUPID-Mo neutrinoless double beta decay experiment},
author = {B. Schmidt and E. Armengaud and C. Augier and A. S. Barabash and F. Bellini and G. Benato and A. Benoît and M. Beretta and L. Bergé and J. Billard and Yu. A. Borovlev and Ch. Bourgeois and M. Briere and V. B. Brudanin and P. Camus and L. Cardani and N. Casali and A. Cazes and M. Chapellier and F. Charlieux and M. de Combarieu and I. Dafinei and F. A. Danevich and M. De Jesus and L. Dumoulin and K. Eitel and E. Elkhoury and F. Ferri and B. K. Fujikawa and J. Gascon and L. Gironi and A. Giuliani and V. D. Grigorieva and M. Gros and E. Guerard and D. L. Helis and H. Z. Huang and R. Huang and J. Johnston and A. Juillard and H. Khalife and M. Kleifges and V. V. Kobychev and Yu. G. Kolomensky and S. I. Konovalov and A. Leder and P. Loaiza and L. Ma and E. P. Makarov and P. de Marcillac and L. Marini and S. Marnieros and D. Misiak and X. -F. Navick and C. Nones and V. Novati and E. Olivieri and J. L. Ouellet and L. Pagnanini and P. Pari and L. Pattavina and B. Paul and M. Pavan and H. Peng and G. Pessina and S. Pirro and D. V. Poda and O. G. Polischuk and E. Previtali and Th. Redon and S. Rozov and C. Rusconi and V. Sanglard and K. Schäffner and Y. Shen and V. N. Shlegel and B. Siebenborn and V. Singh and S. Sorbino and C. Tomei and V. I. Tretyak and V. I. Umatov and L. Vagneron and M. Velázquez and M. Weber and B. Welliver and L. Winslow and M. Xue and E. Yakushev and A. S. Zolotarova},
journal= {arXiv preprint arXiv:1911.10426},
year = {2020}
}
备注
Proceedings for TAUP 2019, submitted to IOP Journal of Physics: Conference Series