Chronology of Milestone Events in Particle Physics - BONETTI 1953
Chronology of Milestone Events in Particle Physics

BONETTI 1953

Bonetti, A.; Levi-Setti, R.; Panetti, M.; Tomasini, G.;
Observation of the Decay at Rest of a Heavy Particle
Nuovo Cim. 10 (1953) 345;

Summary
During an investigation on meson decays in nuclear emulsions exposed at high altitude, carried on as a collaboration between the Genoa and Milan group, a particular event has been observed by G. Tomasini, suggesting the existence of an unstable charged particle heavier than the proton. (Extracted from the introductory part of the paper.).

Accelerator COSM Detectors EMUL

Reactions
  charged charged (neutrals)

Particles studied
  ex

Record comments
First evidence for the charged hyperon.
    
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