Institution: | 1. Institute for Nuclear Research, Hungarian Academy of Sciences, MTA Atomki, H-4001 Debrecen, P.O. Box 51, Hungary;2. Nuclear Physics Institute, Academy of Sciences of the Czech Republic, NPI ASCR, Řež near Prague 250 68, Czech Republic;3. Wigner Research Centre for Physics, Hungarian Academy of Sciences, H-1525 Budapest, P.O. Box 49, Hungary |