BABAR Collaboration (Including: UNSPECIFIED). (2006) Search for rare quark-annihilation decays, B--> D-s((*)-)phi. PHYSICAL REVIEW D, 73 (1). -. doi:10.1103/PhysRevD.73.011103 ISSN 1550-7998.

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Abstract

We report on searches for B--> D(s)(*-)phi and B--> D-s*(-)phi. In the context of the standard model, these decays are expected to be highly suppressed since they proceed through annihilation of the b and (u) over bar quarks in the B- meson. Our results are based on 234 x 10(6) Upsilon(4S)-> B (B) over bar decays collected with the BABAR detector at SLAC. We find no evidence for these decays, and we set Bayesian 90% confidence level upper limits on the branching fractions B(B--> D(s)(-)phi)< 1.9x10(-6) and B(B--> D-s*(-)phi)< 1.2x10(-5). These results are consistent with standard model expectations.

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Journal or Publication Title:	PHYSICAL REVIEW D
Publisher:	AMERICAN PHYSICAL SOC
ISSN:	1550-7998
Official Date:	January 2006
Dates:	Date Event January 2006 UNSPECIFIED
Volume:	73
Number:	1
Number of Pages:	8
Page Range:	-
DOI:	10.1103/PhysRevD.73.011103
Publication Status:	Published

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