精密实验首次分离、测量质子、中子之间的弱相互作用力

一组科学家首次测量了原子核中质子和中子之间难以捉摸的弱相互作用。他们选择了最简单的原子核，由一个中子和一个质子组成。通过独特的中子实验，实验物理学家解决了原子核中粒子之间的弱力，这是在描述基本粒子及其相互作用的标准模型中预测到的。

Precision experiment first to isolate, measure weak force between protons, neutrons

https://www.sciencedaily.com/releases/2018/12/181219133238.htm

1. D. Blyth, J. Fry, N. Fomin, R. Alarcon, L. Alonzi, E. Askanazi, S. Baeßler, S. Balascuta, L. Barrón-Palos, A. Barzilov, J. D. Bowman, N. Birge, J. R. Calarco, T. E. Chupp, V. Cianciolo, C. E. Coppola, C. B. Crawford, K. Craycraft, D. Evans, C. Fieseler, E. Frlež, I. Garishvili, M. T. W. Gericke, R. C. Gillis, K. B. Grammer, G. L. Greene, J. Hall, J. Hamblen, C. Hayes, E. B. Iverson, M. L. Kabir, S. Kucuker, B. Lauss, R. Mahurin, M. McCrea, M. Maldonado-Velázquez, Y. Masuda, J. Mei, R. Milburn, P. E. Mueller, M. Musgrave, H. Nann, I. Novikov, D. Parsons, S. I. Penttilä, D. Počanić, A. Ramirez-Morales, M. Root, A. Salas-Bacci, S. Santra, S. Schröder, E. Scott, P.-N. Seo, E. I. Sharapov, F. Simmons, W. M. Snow, A. Sprow, J. Stewart, E. Tang, Z. Tang, X. Tong, D. J. Turkoglu, R. Whitehead, W. S. Wilburn. First Observation of P-odd γ Asymmetry in Polarized Neutron Capture on Hydrogen. Physical Review Letters, 2018; 121 (24) DOI: 10.1103/PhysRevLett.121.242002