Corpus ID: 117888505

The lifetime of cosmic rays in the Milky Way

@inproceedings{Lipari2014TheLO,
  title={The lifetime of cosmic rays in the Milky Way},
  author={Paolo Lipari},
  year={2014}
}
  • Paolo Lipari
  • Published 2014
  • Physics
  • The most reliable method to estimate the residence time of cosmic rays in the Galaxy is based on the study of the suppression, due to decay, of the flux of unstable nuclei such as beryllium-10, that have lifetime of appropriate duration. The Cosmic Ray Isotope Spectrometer (CRIS) collaboration has measured the ratio between the fluxes of beryllium-10 and beryllium-9 in the energy range E_0 \simeq 70-145 MeV/nucleon, and has used the data to estimate an escape time tau_{ esc} = 15.0 +- 1.6 Myr… CONTINUE READING

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