Affiliation: | (1) School of Physics and Astronomy, University of Birmingham, B15 2TT, UK;(2) Institut für Kernphysik, Universität Kiel, D-24118 Kiel, Germany;(3) Physikalisches Institut, Universität Bern, CH-3012 Bern, Switzerland;(4) Imperial College, London, SW7 2BZ, United Kingdom;(5) Lunar and Planetary Laboratory, University of Arizona, Tuscon, AZ 85721, USA;(6) Center for Space Research, MIT, Cambridge, MA 02139, USA;(7) Applied Physics Laboratory/, Johns Hopkins University, Laurel, MD 20723, USA;(8) Laboratory for Astrophysics and Space Research, University of Chicago, Chicago, IL 60637, USA |