Affiliation: | (1) Institute for Theoretical Physics, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland , CH;(2) Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Russia , RU;(3) Department of Theoretical Physics 2, Lund University, Solvegatan 14A, 22362 Lund, Sweden , SE;(4) Laboratory of Information Technologies, Joint Institute for Nuclear Research, 141980 Dubna, Russia , RU;(5) High Energy Physics Institute, Tbilisi State University, University St. 9, 380086 Tbilisi, Georgia , GE;(6) Department of Physics, University of Massachusetts, Amherst, MA 01003, USA , US;(7) Department of Theoretical Physics, Comenius University, 28415 Bratislava, Slovakia , SK |