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Conference Papers Year : 2020

Coulomb explosion of polycyclic aromatic hydrocarbons induced by heavy cosmic rays: carbon chains production rates

Abstract

The interstellar medium contains both polycyclic aromatic hydrocarbons and cosmic rays. The frontal impact of a single heavy cosmic ray strips out many electrons. The highly charged species then relax by multi-fragmentation, potentially feeding the interstellar medium with hydrocarbon chains. We model both ionization(s) and fragmentation processes and compute the fragments production rates of particular interest for astrophysical models.

Dates and versions

hal-02870861 , version 1 (16-06-2020)

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M. Chabot, K. Béroff, E. Dartois, T. Pino. Coulomb explosion of polycyclic aromatic hydrocarbons induced by heavy cosmic rays: carbon chains production rates. 31st International Conference on Photonic, Electronic, and Atomic Collisions, Jul 2019, Deauville, France. pp.152034, ⟨10.1088/1742-6596/1412/15/152034⟩. ⟨hal-02870861⟩
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