A: Structure, Spectroscopy, and Reactivity of Molecules and ClustersNovember 19, 2025 * Lauren Bertram Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, OxfordOX1 3QZ, U.K. Sebastien Boutet SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States Xinxin Cheng SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States Robert Joel England SLAC...