Observation of π^{−} K^{+} and π^{+} K^{−} Atoms

Author(s): B. Adeva et al. (DIRAC Collaboration)

The DIRAC collaboration at CERN reports the first statistically significant observation of an atom formed from a $\pi$ meson and a $K$ meson.

[Phys. Rev. Lett. 117, 112001] Published Thu Sep 08, 2016