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Modeling the acceleration and modulation of anomalous cosmic ray oxygen

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Strauss, R.D.
Potgieter, M.S.
Ferreira, S.E.S.

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Elsevier

Abstract

After the solar wind termination shock crossings of the Voyager spacecraft, the acceleration of anomalous cosmic rays has become a very contentious subject. In this paper we examine several topics pertinent to anomalous cosmic ray oxygen acceleration and transport using a numerical cosmic ray modulation model. These include the effects of drifts on a purely Fermi I accelerated spectra, the effects of introducing higher charge states of oxygen into the modulation model, examining the viability of momentum diffusion as a re-acceleration process in the heliosheath and examining energy spectra, and intensity gradients, in the inner heliosphere during consecutive drift cycles

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Strauss, R.d T., Potgieter, M.S. & Ferreira, S.E.S. 2011. Modeling the acceleration and modulation of anomalous cosmic ray oxygen. Advances in space research, 48(1):65-75. [https://doi.org/10.1016/j.asr.2011.03.014]

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