Search for time-dependent $B_{s}^{0} - \bar{B_{s}^{0}}$ oscillations using a vertex charge dipole technique

30 January 2003

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 67 (1) , 012006
https://doi.org/10.1103/physrevd.67.012006

Abstract

We report a search for

B_{s}^{0} - \bar{B_{s}^{0}}

oscillations using a sample of

400 000

hadronic

Z^{0}

decays collected by the SLD experiment. The analysis takes advantage of the electron beam polarization as well as information from the hemisphere opposite that of the reconstructed B decay to tag the B production flavor. The excellent resolution provided by the pixel CCD vertex detector is exploited to cleanly reconstruct both B and cascade D decay vertices, and tag the B decay flavor from the charge difference between them. We exclude the following values of the

B_{s}^{0} - \bar{B_{s}^{0}}

oscillation frequency:

Δ m_{s} < 4.9 {ps}^{- 1}

and

7.9 < Δ m_{s} < 10.3 {ps}^{- 1}

at the

95 %

confidence level.

Keywords

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This publication has 9 references indexed in Scilit:

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Search for time-dependentBs0−Bs0¯oscillations using a vertex charge dipole technique

Abstract

Keywords

All Related Versions

Search for time-dependent $B_{s}^{0} - \bar{B_{s}^{0}}$ oscillations using a vertex charge dipole technique