1. TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
2. Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
3. Department of Physics and Astronomy, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
4. Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
5. Stewart Blusson Quantum Matter Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
6. Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
7. Department of Physics, University of Liverpool, Liverpool L69 7ZE, United Kingdom
8. Perimeter Institute for Theoretical Physics, Waterloo, Ontario N2L 2Y5, Canada