1. Department
of Chemistry and Biochemistry, University of Bern, Freiestrasse
3, 3012 Bern, Switzerland
2. Department
of Chemistry and Biochemistry, Eastern Washington University, 226 Science, Cheney, Washington 99004, United States
3. Department
of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom
4. Department
of Physics, Durham University, South Road, Durham DH1 3LE, United Kingdom
5. ISIS Facility, STFC Rutherford Appleton Laboratory, Chilton, Oxon OX11 0QX, United Kingdom
6. Clarendon
Laboratory, Department of Physics, University of Oxford, Oxford OX1 3PU, United Kingdom
7. National
High Magnetic Field Laboratory, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States