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BROSS, A; CRISLER, M; PORDES, S; VOLK, J; ERREDE, S; WRBANEK, J
Physical review letters, 11/1991, Letnik: 67, Številka: 21Journal Article
A search for short-lived neutral particles which decay to electron-positron pairs has been carried out using a beam of 275-GeV electrons incident on an instrumental tungsten beam dump. The experiment was sensitive to particles up to 10 MeV/{ital c}{sup 2} in mass and down to 4{times}10{sup {minus}16} sec in lifetime.
