Institution: | (1) Institute of Nuclear Physics, Uzbekistan Academy of Sciences, 702132 Ulughbek, Tashkent, Uzbekistan;(2) Physics Department, Samarkand State University, University Avenue 15, 703004 Samarkand, Uzbekistan;(3) Physics Department, Simferopol State University, Yaltinskaya 4, 333036 Simferopol, Ukraine |