H$_3^+$ ABUNDANCES MODELED WITH A VARIABLE COSMIC RAY IONIZATION RATE
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Date
2008
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Publisher
Ohio State University
Abstract
Recent observations of $H_3^+$ abundances in diffuse clouds have suggested a higher value for the cosmic ray ionization than has been generally accepted. We provide a model that takes into account a variable cosmic ray ionization, and show that it produces $H_3^+$ abundances close to the observed values. We also apply this method to an IR-dense cloud model.
Description
Author Institution: Physics Department, The Ohio State University, Columbus, OH 43202