1976/08/02 by R. Charles Coombes, R. Flexer, Allison Hall +10 · 1 citation
Physics and Astronomy · #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #Nuclear physics research studies
paper · doi:10.1103/physrevlett.37.249
openalex publication_date 1976/08/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/06/11
We have observed atoms consisting of a pion and a muon produced in the decay KL0\ensuremath→(\ensuremathπ\ensuremathμ)atom\ensuremathν. This represents the first observations of an atom composed of two unstable particles and of an atomic decay of an elementary particle.