Research Papers in Physics and Astronomy

 

Date of this Version

5-16-1998

Comments

Published by American Physical Society. Phys. Rev. Lett. 80, 2289 (1998). Permission to use. http://prl.aps.org/. Copyright © 1998 American Physical Society.

Abstract

We have searched for the effective flavor changing neutral-current decays bsl+l- using an inclusive method. We set upper limits on the branching ratios B(bse+e-) < 5.7 X 10-5, B(b+μ-) < 5.8 X 10-5 and Bbse+μ-) < 2.2 3 10-5 [at 90% confidence level (C.L.)]. Combing the dielectron and dimuon decay modes we find bsl+l-) < 4.2 X 10-5 (at 90% C.L.).

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