Chronology of Milestone Events in Particle Physics - SARD 1948
Chronology of Milestone Events in Particle Physics

SARD 1948

Sard, R.D.; Althauss, E.J.;
Test of the Hypothesis that the Sea-Level Cosmic-Ray Meson Disintegrates into a Photon and an Electron
Phys. Rev. 73 (1948) 1251;

Motivation
The hypothesis has been tested by searching for delayed coincidences between the 50 MeV photon, detected by its materialization in a Pb sheet and the arrival of the meson that gets stopped. (Extracted from the introductory part of the paper.).

Accelerator COSM Detectors CNTR

Related references
Analyse data from
B. Rossi, M. Sands, and R. D. Sard, Phys. Rev. 72 (1947) 120;

Reactions
  e qnc

Particles studied
  qn

Record comments
Nonexistence of e decay.
    
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