The spectra and sign distributions of particles from cosmic ray stars at 2860 metres altitude

Summary  Measurements have been made on mesons and protons emitted from stars recorded at 2 800 m and compared with published results for balloon altitudes. It appears that, while the multiplicity of showers is greatly reduced at the lower altitudes, the normalized energy spectra are closely similar. The determination of the sign of the charge of particles leads to a preliminary determination of the positive-negative ratio of mesons produced at this altitude, and ofπp’s primary and secondary to stars.