1. Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
2. Department of Physics, Princeton University, Princeton, New Jersey 08544, United States
3. Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824-2320, United States
4. Institut za fiziku, Bijenička 46, Zagreb HR-10000, Croatia
5. Diamond Light Source Ltd, Harwell Science and Innovation Campus, Didcot OX11 0DE, United Kingdom
6. Donostia International Physics Center, Donostia-San Sebastian 20018, Spain