Research Papers in Physics and Astronomy

 

Date of this Version

9-1-1999

Comments

Published by American Physical Society. Phys. Rev. D 60, 051101 (1999). http://prd.aps.org. Copyright © 1999 American Physical Society. Permission to use.

Abstract

We present a measurement of the mass difference Δmd of the two Bd0 mass eigenstates. We use a flavor tagging method based on the lepton charge, in a sample of events with two muons at low transverse momentum. The sample corresponds to an integrated luminosity of 90 pb-1 collected by the Collider Detector at Fermilab. The result obtained is Dmd=0.503±0.064(stat) ±0.071(syst) ps-1.

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