Title

New measurement of B→D*π branching fractions

Document Type

Article

Publication Date

1-1-1998

Abstract

The decays Υ(4S)→BB, followed by B→D*π and D*→Dπ, permit reconstruction of all kinematic quantities that describe the sequence without reconstruction of the D, with reasonably low backgrounds. Using an integrated e e luminosity of 3.1fb accumulated at the Υ(4S) by the CLEO-II detector, we report measurements of B(B →D* π )=(2.81±0.11±0.21±0.05)×10 and B(B →D*0π )=(4.34±0.33±0.34±0.18) ×10 . © 1998 The American Physical Society. + − −1 0 + − −3 − − −3

Publication Name

Physical Review Letters

Volume Number

80

First Page

2762

Last Page

2766

Issue Number

13

DOI

10.1103/PhysRevLett.80.2762

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