Ballistic excited state dynamics revealed by polarized fs-XANESRoseanne J. Sension, Nicholas A. Miller, Aniruddha Deb, Roberto Alonso-Mori, James M. Glownia and James E. Penner-HahnEPJ Web Conf., 205 (2019) 05014DOI: https://doi.org/10.1051/epjconf/201920505014