Solar Gamma Ray Lines observed during the Solar Activity of August 2 to August 11, 1972

@article{Chupp1973SolarGR,
  title={Solar Gamma Ray Lines observed during the Solar Activity of August 2 to August 11, 1972},
  author={E. Chupp and D. Forrest and P. Higbie and A. Suri and C. Tsai and P. Dunphy},
  journal={Nature},
  year={1973},
  volume={241},
  pages={333-335}
}
WE report preliminary observations from OSO-7 on the emission of gamma ray lines associated with the solar flares on August 4 and 7, 1972. This is the first observation of such solar gamma rays.