[1
]
Department of Physics, Case Western Reserve University, 10900 Euclid Avenue, Cleveland,
Ohio 44106, USA.
[2
]
High Energy Physics, Imperial College London, Blackett Laboratory, London SW7 2BZ,
United Kingdom.
[3
]
South Dakota School of Mines and Technology, 501 East St Joseph Street, Rapid City,
South Dakota 57701, USA.
[4
]
Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
[5
]
Department of Physics, Yale University, 217 Prospect Street, New Haven, Connecticut
06511, USA.
[6
]
Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550,
USA.
[7
]
Department of Physics, University of South Dakota, 414E Clark Street, Vermillion,
South Dakota 57069, USA.
[8
]
Department of Physics, Case Western Reserve University, 10900 Euclid Avenue, Cleveland,
Ohio 44106, USA and Department of Physics, University of California Santa Barbara,
Santa Barbara, California 93106, USA.
[9
]
Department of Physics, Brown University, 182 Hope Street, Providence, Rhode Island
02912, USA.
[10
]
LIP-Coimbra, Department of Physics, University of Coimbra, Rua Larga, 3004-516 Coimbra,
Portugal.
[11
]
SUPA, School of Physics and Astronomy, University of Edinburgh, Edinburgh, EH9 3JZ,
United Kingdom.
[12
]
Department of Physics and Astronomy, University of Rochester, Rochester, New York
14627, USA.
[13
]
Department of Physics, Brown University, 182 Hope Street, Providence, Rhode Island
02912, USA and Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley,
California 94720, USA.
[14
]
Department of Physics, University of California Davis, One Shields Avenue, Davis,
California 95616, USA.
[15
]
Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720,
USA.
[16
]
Department of Physics and Astronomy, University College London, Gower Street, London
WC1E 6BT, United Kingdom.
[17
]
South Dakota School of Mines and Technology, 501 East St Joseph Street, Rapid City,
South Dakota 57701, USA and South Dakota Science and Technology Authority, Sanford
Underground Research Facility, Lead, South Dakota 57754, USA.
[18
]
Department of Physics, University of California Berkeley, Berkeley, California 94720,
USA.
[19
]
Department of Physics, University of California Santa Barbara, Santa Barbara, California
93106, USA.
[20
]
Department of Physics, Texas A & M University, College Station, Texas 77843, USA.
[21
]
Department of Physics, Harvard University, 17 Oxford Street, Cambridge, Massachusetts
02138, USA.
[22
]
South Dakota Science and Technology Authority, Sanford Underground Research Facility,
Lead, South Dakota 57754, USA.