The time dependence of B0d-B0d oscillations has been observed using events with a d*, decaying into a D0π+, and a lepton in opposite hemispheres. The time dependence of the oscillations is derived from the displacement of the D0 vertex and the D*-lepton charge correlation. From a fit for the oscillation frequency the mass difference of the B0d states is measured: Δm = [3.44+0.65-0.70(stat.)+0.26-0.20(syst.)] × 10-4 eV/c2.

Observation of the time dependence of B0d-B0d mixing

GREGORIO, ANNA;BOSISIO, LUCIANO;GIANNINI, GIANROSSANO;
1993-01-01

Abstract

The time dependence of B0d-B0d oscillations has been observed using events with a d*, decaying into a D0π+, and a lepton in opposite hemispheres. The time dependence of the oscillations is derived from the displacement of the D0 vertex and the D*-lepton charge correlation. From a fit for the oscillation frequency the mass difference of the B0d states is measured: Δm = [3.44+0.65-0.70(stat.)+0.26-0.20(syst.)] × 10-4 eV/c2.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2563440
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