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SEARCH FOR NEUTRAL CHARMLESS B-DECAYS AT LEP

Abstract:

A search for rare charmless decays of Bd 0 and Bs 0 mesons has been performed in the exclusive channels Bd(s) 0 →ηη, Bd(s) 0 →ηπ0 and Bd(s) 0 →π0π0. The data sample consisted of three million hadronic Z decays collected by the L3 experiment at LEP from 1991 through 1994. No candidate event has been observed and the following upper limits at 90% confidence level on the branching ratios have been set: Br(B() d→ηη) <4.1 x 10-4, Br(B() s→ηη) < 1.5 x 10-3, Br(B() d→ηφ()) < 2.5 x 10-4, Br(...

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Publication status:
Published

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Authors


ACCIARRI, M More by this author
ADRIANI, O More by this author
AGUILARBENITEZ, M More by this author
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Journal:
PHYSICS LETTERS B
Volume:
363
Issue:
1-2
Pages:
127-136
Publication date:
1995-11-16
DOI:
ISSN:
0370-2693
URN:
uuid:467d1f45-7f74-47a2-864d-61409fa0af23
Source identifiers:
14004
Local pid:
pubs:14004

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