ASTRA Proc., 1, 13-17, 2014
https://doi.org/10.5194/ap-1-13-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
 
02 Jun 2014
Ionisation as indicator for cosmic ray acceleration
F. Schuppan1, C. Röken2, N. Fedrau1, and J. Becker Tjus1 1Ruhr-Universität Bochum, Fakultät für Physik & Astronomie, Institut für Theoretische Physik IV, 44780 Bochum, Germany
2Universität Regensburg, Fakultät für Mathematik, 93040 Regensburg, Germany
Abstract. Astrospheres and wind bubbles of massive stars are believed to be sources of cosmic rays with energies E ≲ 1 TeV. These particles are not directly detectable, but their impact on surrounding matter, in particular ionisation of atomic and molecular hydrogen, can lead to observable signatures. A correlation study of both gamma ray emission, induced by proton-proton interactions of cosmic ray protons with kinetic energies Ep ≥ 280 MeV with ambient hydrogen, and ionisation induced by cosmic ray protons of kinetic energies Ep < 280 MeV can be performed in order to study potential sources of (sub)TeV cosmic rays.

Citation: Schuppan, F., Röken, C., Fedrau, N., and Becker Tjus, J.: Ionisation as indicator for cosmic ray acceleration, ASTRA Proc., 1, 13-17, https://doi.org/10.5194/ap-1-13-2014, 2014.
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