Phys. Rev. Lett. 82, 3576 - 3580 (1999)

Search for Bs0-B̅ s0 Oscillations Using the Semileptonic Decay Bs0φ+Xν

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F. Abe et al. (CDF Collaboration)
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Received 5 January 1999

A search for Bs0-B̅ s0 oscillations is performed in a sample of Bs0 semileptonic decays collected using dilepton triggers at the Tevatron Collider during 1992–1995. The Bs0 is reconstructed using phiv meson-lepton correlations; its initial production flavor is determined with the second lepton in the event. From a signal of 1068 with a Bs0 purity of 61%, we obtain a limit on the Bs0-B̅ s0 oscillation frequency of Δms>5.8 ps-1 at 95% confidence level.


©1999 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.82.3576
DOI: 10.1103/PhysRevLett.82.3576
PACS: 14.40.Nd, 13.20.He

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