1. Department of Chemistry and
Biochemistry, Eastern Washington University, Cheney, Washington 99004, United States
2. Department of Chemistry, University of Copenhagen, Copenhagen DK-2100, Denmark
3. Clarendon Laboratory, Department
of Physics, University of Oxford, OX1 3PU,
U.K.
4. ISIS Pulsed Muon Facility, Rutherford-Appleton Laboratory, Chilton, Oxfordshire,
OX11 0QX, U.K.
5. Department
of Chemistry, North Carolina State University, Raleigh, North Carolina
27695, United States
6. Swiss Muon
Source, Paul Scherrer Institut, CH-5253, PSI Villigen, Switzerland