1211.7193 (A. I. Belesev et al.)

An upper limit on additional neutrino mass eigenstate in 2 to 100 eV
region from "Troitsk nu-mass" data
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A. I. Belesev, A. I. Berlev, E. V. Geraskin, A. A. Golubev, N. A. Likhovid, A. A. Nozik, V. S. Pantuev, V. I. Parfenov, A. K. Skasyrskaya