不同宿主材料中 $^{229m}$Th 核时干扰素的辐射衰变
核实验
2025-01-22 v2
摘要
我们报告了在 ISOLDE-CERN 进行的对 Th 核时干扰素嵌入于不同宿主材料中辐射衰变的真空紫外光谱研究。确定 Th 嵌入数量与辐射衰变光子数量之比，用于单晶CaF、MgF、LiSrAlF、AlN 和非晶SiO。对于后两种材料，未观察到辐射衰变信号，报告了该比值的上限。在 LiSrAlF 和 CaF 中确定了辐射衰变波长，使其不确定性相对于先前测量降低了 2.5 倍。该值与最近报告的改进值来自激光激发一致。
关键词
引用
@article{arxiv.2408.12309,
title = {Radiative Decay of the $^{229m}$Th Nuclear Clock Isomer in Different Host Materials},
author = {S. V. Pineda and P. Chhetri and S. Bara and Y. Elskens and S. Casci and A. N. Alexandrova and M. Au and M. Athanasakis-Kaklamanakis and M. Bartokos and K. Beeks and C. Bernerd and A. Claessens and K. Chrysalidis and T. E. Cocolios and J. G. Correia and H. De Witte and R. Elwell and R. Ferrer and R. Heinke and E. R. Hudson and F. Ivandikov and Yu. Kudryavtsev and U. Köster and S. Kraemer and M. Laatiaoui and R. Lica and C. Merckling and I. Morawetz and H. W. T. Morgan and D. Moritz and L. M. C. Pereira and S. Raeder and S. Rothe and F. Schaden and K. Scharl and T. Schumm and S. Stegemann and J. Terhune and P. G. Thirolf and S. M. Tunhuma and P. Van Den Bergh and P. Van Duppen and A. Vantomme and U. Wahl and Z. Yue},
journal= {arXiv preprint arXiv:2408.12309},
year = {2025}
}