闪烁量热器中反冲本底的甄别
天体物理仪器与方法
2010-01-21 v1
摘要
的α衰变是稀有事件搜寻中的危险本底。在此，我们描述了在低温超导温度计稀有事件搜寻（CRESST）中与此α衰变相关的观测结果。我们发现，在我们的晶体中，铅核相对于同能量电子的闪烁光产额为。我们描述了一种通过闪烁箔片甄别这种核反冲本底源的方法，并展示了其有效性。这导致光探测器脉冲形状出现可观测的差异，可用于标记这些事件。我们还提取了铅反冲与电子反冲之间声子探测器脉冲形状的差异，为未来在此类实验中基于脉冲形状甄别的额外本底抑制技术打开了窗口。
引用
@article{arxiv.0903.4687,
title = {Discrimination of Recoil Backgrounds in Scintillating Calorimeters},
author = {R. F. Lang and G. Angloher and M. Bauer and I. Bavykina and A. Bento and A. Brown and C. Bucci and C. Ciemniak and C. Coppi and G. Deuter and F. von Feilitzsch and D. Hauff and S. Henry and P. Huff and J. Imber and S. Ingleby and C. Isaila and J. Jochum and M. Kiefer and M. Kimmerle and H. Kraus and J. -C. Lanfranchi and M. Malek and R. McGowan and V. B. Mikhailik and E. Pantic and F. Petricca and S. Pfister and W. Potzel and F. Pröbst and S. Roth and K. Rottler and C. Sailer and K. Schäffner and J. Schmaler and S. Scholl and W. Seidel and L. Stodolsky and A. J. B. Tolhurst and I. Usherov and W. Westphal},
journal= {arXiv preprint arXiv:0903.4687},
year = {2010}
}
备注
5 pages, 9 figures