μ 原子与 μ 离子的激光光谱学
原子物理
2016-09-13 v1
摘要
本文对轻 μ 原子或 μ 离子（其中一个负 μ 子 束缚于原子核）的 Lamb 移位（2S-2P 能级差）进行了激光光谱学测量。由于 μ 子质量大，其波函数与原子核的重叠度大幅增加，因此这些测量得到了显著改进的原子核均方根电荷半径值。质子和氘核半径的精度分别比相应的 CODATA 值高出 10 倍和 3 倍，但小了 7 个标准差。μ 氦-3 和 μ 氦-4 离子的数据正在分析中，将提供新的见解。未来，将通过 1S 超精细分裂的激光光谱学测定质子和氦-3 原子核的（磁）Zemach 半径，而 μ 锂、μ 铍和 μ 硼的 Lamb 移位可用于改进各自的电荷半径。
引用
@article{arxiv.1609.03440,
title = {Laser Spectroscopy of Muonic Atoms and Ions},
author = {Randolf Pohl and François Nez and Luis M. P. Fernandes and Marwan Abdou Ahmed and Fernando D. Amaro and Pedro Amaro and François Biraben and João M. R. Cardoso and Daniel S. Covita and Andreas Dax and Satish Dhawan and Marc Diepold and Beatrice Franke and Sandrine Galtier and Adolf Giesen and Andrea L. Gouvea and Johannes Götzfried and Thomas Graf and Theodor W. Hänsch and Malte Hildebrandt and Paul Indelicato and Lucile Julien and Klaus Kirch and Andreas Knecht and Paul Knowles and Franz Kottmann and Julian J. Krauth and Eric-Olivier Le Bigot and Yi-Wei Liu and José A. M. Lopes and Livia Ludhova and Jorge Machado and Cristina M. B. Monteiro and Françoise Mulhauser and Tobias Nebel and Paul Rabinowitz and Joaquim M. F. dos Santos and José Paulo Santos and Lukas A. Schaller and Karsten Schuhmann and Catherine Schwob and Csilla I. Szabo and David Taqqu and João F. C. A. Veloso and Andreas Voss and Birgit Weichelt and Aldo Antognini},
journal= {arXiv preprint arXiv:1609.03440},
year = {2016}
}
备注
Contribution to LEAP 2016 in Kanazawa, Japan