VIP 2：针对电子的泡利不相容原理实验检验
仪器与探测器
2015-05-13 v1 量子物理
摘要
自1925年泡利不相容原理(PEP)被发现以来，许多实验研究了其违反情况。VIP（VIolation of the Pauli Principle）实验通过测量一个外部电子被俘获并在其级联过程中发生2p到1s跃迁的概率来检验PEP，其中1s态已被两个电子占据。该跃迁被泡利不相容原理所禁止。VIP实验给出了PEP违反概率的初步上限4.7 x 10^{-29}。目前后续实验VIP 2的装置正在准备中。该实验的目标是通过多种改进（如增强X射线探测器的能量分辨率以及实施主动屏蔽）将PEP违反的上限提高两个数量级。在此我们报告该装置新部件当前正在进行的性能测试。
引用
@article{arxiv.1505.02991,
title = {VIP 2: Experimental tests of the Pauli Exclusion Principle for electrons},
author = {A. Pichler and S. Bartalucci and S. Bertolucci and C. Berucci and M. Bragadireanu and M. Cargnelli and A. Clozza and C. Curceanu and L. De Paolis and S. Di Matteo and A. D`Uffizi and J. P. Egger and C. Guaraldo and M. Iliescu and T. Ishiwatari and M. Laubenstein and J. Marton and E. Milotti and D. Pietreanu and K. Piscicchia and T. Ponta and E. Sbardella and A. Scordo and H. Shi and D. Sirghi and F. Sirghi and L. Sperandio and O. Vazquez-Doce and E. Widmann and J. Zmeskal},
journal= {arXiv preprint arXiv:1505.02991},
year = {2015}
}
备注
EXA 2014 proceedings in Hyperfine Interactions (2015), Springer International Publishing