1. Joint Institute for Nuclear Research, RU-141980 Dubna, Russian Federation
2. L.N. Gumilyov Eurasian National University, 010000 Astana, Kazakhstan
3. Palacky University Olomouc, Department of Experimental Physics, Faculty of Science, 771 46 Olomouc, Czech Republic
4. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China