Rotational Excitation of HC3N by H2 and He at low temperatures
Michael Wernli, Laurent Wiesenfeld, Alexandre Faure, Pierre Valiron
Abstract
Rates for rotational excitation of HC3N by collisions with He atoms and H2 molecules are computed for kinetic temperatures in the range 5-20K and 5-100K, respectively. These rates are obtained from extensive quantum and quasi-classical calculations using new accurate potential energy surfaces (PES).
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