Institution: | 1. Département de Physique, Université de Montréal, Montréal, H3C 3J7, Canada;2. Department of Physics, Queen''s University, Kingston, K7L 3NG, Canada;3. Department of Physics, University of Alberta, Edmonton, T6G 2G7, Canada;4. Department of Physics, Laurentian University, Sudbury, P3E 2C6, Canada;5. Department of Physics & Astronomy, Indiana University South Bend, South Bend, IN 46634, USA;6. Institute of Experimental and Applied Physics, Czech Technical University in Prague, Prague, Cz-12800, Czech Republic;g SNOLAB, Sudbury, P3E 2C6, Canada |