Balakrishnan, N.Vieira, M.Babb, J. F.Dalgarno, A.Forrey, R. C.Lepp, S.2019-09-241999Balakrishnan, N., M. Vieira, J. F. Babb, A. Dalgarno, R. C. Forrey, and S. Lepp. 1999. “Rate Coefficients for Ro‐vibrational Transitions in H2Due to Collisions with He.” The Astrophysical Journal 524 (2): 1122–30. https://doi.org/10.1086/307846.0004-637X1538-4357http://nrs.harvard.edu/urn-3:HUL.InstRepos:41397399We present quantum mechanical and quasi-classical trajectory calculations of cross sections for rovibrational transitions in ortho- and para-H-2 induced by collisions with He atoms. Cross sections were obtained for kinetic energies between 10(-4) and 3 eV, and the corresponding rate coefficients were calculated for the temperature range 100 K less than or equal to T less than or equal to 4000 K. Comparisons are made with previous calculations.en-USJournal Article2019-09-2410.1086/307846