formation from H 2 O ¿ mediated by the core - excitation - induced nuclear motion in H 2

A. Hiraya, K. Nobusada, M. Simon, K. Okada, T. Tokushima, Y. Senba, H. Yoshida, K. Kamimori, H. Okumura, Y. Shimizu, A.-L. Thomas, P. Millie, I. Koyano, and K. Ueda* Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima 739-8526, Japan Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan LURE, Batiment 209d, Université Paris–Sud, 91405 Orsay Cedex, France CEA/DRECAM/SPAM and Laboratoire Francis Perrin, CEN Saclay, 91191 Gif/Yvette Cedex, France Department of Chemistry, Hiroshima University, Higashi-Hiroshima 739-8526, Japan Department of Material Science, Himeji Institute of Technology, Kamigori, Hyogo 678-1297, Japan Research Institute for Scientific Measurements, Tohoku University, Sendai 980-8577, Japan ~Received 15 August 2000; published 13 March 2001!