Institution: | aIstituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, Italy;bSanta Cruz Institute for Particle Physics and Department of Physics, University of California, Santa Cruz, CA 95064, USA;cMax-Planck Institut für extraterrestrische Physik, 85748 Garching, Germany;dKavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA;eDipartimento di Fisica, Università di Pisa, I-56127 Pisa, Italy;fDipartimento di Fisica, M. Merlin dell’ Università e del Politecnico di Bari, I-70126 Bari, Italy;gIstituto Nazionale di Fisica Nucleare, Sezione di Bari, 70126 Bari, Italy;hDipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy;iCenter for Research and Exploration in Space Science and Technology (CRESST), NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA;jUniversity of Maryland, College Park, MD 20742, USA;kIstituto Nazionale di Fisica Nucleare, Sezione di Roma Tor Vergata, I-00133 Roma, Italy;lDepartment of Physics and Astronomy, University of Denver, Denver, CO 80208, USA;mIowa State University, Department of Physics and Astronomy, Ames, IA 50011-3160, USA;nUniversities Space Research Association, NASA Ames Research Center, MS211-3 Moffet Field, CA 94035, USA |