26Trieste Section of INFN, 34127 Trieste, Italy
27Abdus Salam ICTP, 34151 Trieste, Italy
28University of Turin, Department of Physics, 10125 Turin, Italy
29Torino Section of INFN, 10125 Turin, Italy
30University of Illinois at Urbana-Champaign, Department of Physics, Urbana, Illinois 61801-3080, USA
31National Centre for Nuclear Research, 00-681 Warsaw, Poland
32University of Warsaw, Faculty of Physics, 02-093 Warsaw, Poland
33Warsaw University of Technology, Institute of Radioelectronics, 00-665 Warsaw, Poland
34Yamagata University, Yamagata, 992-8510 Japan
(Received 3 September 2015; published 16 February 2017)
Busan 609-735, Republic of Korea and at Physics Department,
Brookhaven National Laboratory, Upton, NY 11973, U.S.A.
gAlso at Chubu University, Kasugai, Aichi, 487-8501 Japan.
hAlso at KEK, 1-1 Oho, Tsukuba, Ibaraki, 305-0801 Japan.
Strahlen- und Kernphysik, 53115 Bonn, Germany.