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Cosmic-ray ionisation in collapsing clouds
Marco Padovani, Patrick Hennebelle, Daniele Galli
Cosmic rays (CR) play an important role in dense molecular cores, affecting their thermal and dynamical evolution and initiating the chemistry. Several studies have shown that the…
The CN/C15 N isotopic ratio towards dark clouds
Pierre Hily-Blant, G. Pineau Des Forêts, Alexandre Faure +2
Understanding the origin of the composition of solar system cosmomaterials is a central question, not only in the cosmochemistry and astrochemistry fields, and requires various app…
Cosmic-ray propagation in molecular clouds
Marco Padovani, Daniele Galli
Cosmic-rays constitute the main ionising and heating agent in dense, starless, molecular cloud cores. We reexamine the physical quantities necessary to determine the cosmic-ray ion…