A. A. Tsekouras, C. A. Leach, K. S. Kalogerakis, and R. N. Zare, “Product Rotational Distributions and Specific Opacity Functions for the Reaction Ba + HI → BaI(v=0, 4, 8, 12, 16, 18) + H,”J. Chem. Phys. 97, 7220-7225 (1992).