Affiliation: | 1. Institute of High Energy Physics, Beijing 100049, China2. G. I. Budker Institute of Nuclear Physics SB RAS(BINP), Novosibirsk 630090, Russia3. Also at the Novosibirsk State University, Novosibirsk, 630090, Russia4. Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA5. Bochum Ruhr-University, D-44780 Bochum, Germany6. University of Rochester, Rochester, New York 14627, USA |