Affiliation: | (1) St. Petersburg State Polytechnical University, Politekhnicheskaya ul. 29, St. Petersburg, 195251, Russia;(2) Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia;(3) Khlopin Radium Institute, Vtoroi Murinskii pr. 28, St. Petersburg, 194021, Russia;(4) University of P. J. Šafárik, Jesenná 5, SK-041 54 Kosice, Slovak Republic |