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    Adam, W; Adye, T; Ajinenko, I; Alekseev, GD; Alemany, R; Allport, PP; Almehed, S; Amaldi, U; Amato, S; Andersson, P; Andreazza, A; Antilogus, P; Apel, WD; Arnoud, Y; Asman, B; Augustin, JE; Augustinus, A; Baillon, P; Bambade, P; Barao, F; Barbi, M; Bardin, DY; Barker, G; Baronc

    Physics letters. B, 11/1997, Letnik: 414, Številka: 3-4
    Journal Article

    Oscillations of B(s)(0)mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic Z(0) decays registered by DELPHI between 1991 and 1994. A limit on the mass difference between the physical B-s(0) states Delta