New Limit for the Half-Life of 2K(2neutrino)-Capture Decay Mode of 78Kr
  Features of data accumulated at 1817 hours in the experimental search for 2K(2 \nu)-capture decay mode of Kr-78 are discussed. The new limit for this decay half-life is found to be T_{1/2} > 2.3 *10^{20} yr. (90% C.L.). 
Ju.M. Gavriljuk (1), V.V. Kuzminov (1), N.Ya. Osetrova (1), S.S.   Ratkevich (2) ((1) Institute for Nuclear Research, Moscow...