Observations with Electron Sensitive Plates Exposed to Cosmic Radiation. II. Further Evidence for the Existence of Unstable Charged Particles of Mass ~ 1000 meand Observations on their Mode of Decay AND Measurement of Diversity Nature 163, 1949, pp. 82-87, pp. 688-689
London: Macmillan, 1949. 1st Edition. FIRST EDITIONS OF TWO PAPERS OF SIGNIFICANCE. The first is a Nobel Prize winning paper outlining the development of photographic techniques that greatly enhanced our ability to study nuclear processes and for the resulting discovery of the pion, a subatomic particle. The prize was awarded..... More