BaBar Collaboration (Including:

). (2008) Observation of B-0 -> chi K-c0*(0) and evidence for B+ -> chi K-c0*(+). Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.78 (No.9). article no. 091101(R). doi:10.1103/PhysRevD.78.091101 ISSN 1550-7998.

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Abstract

We present the observation of the decay B-0 -> chi K-c0(*0) as well as evidence of B+ -> chi K-c0(*+), with an 8.9 and a 3.6 standard deviation significance, respectively, using a data sample of 454 X 10(6) Y(4S) -> B (B) over bar decays collected with the BABAR detector at the PEP-II B meson factory located at the Stanford Linear Accelerator Center (SLAC). The measured branching fractions are B(B-0 -> chi K-c0(*0)) = (1.7 +/- 0.3 +/- 0.2) x 10(-4) and B(B+ -> chi K-c0(*+)) = (1.4 +/- 0.5 +/- 0.2) x 10(-4), where the first quoted errors are statistical and the second are systematic. We obtain a branching fraction upper limit of B(B+ -> chi K-c0(*+)) < 2.1 x 10(-4) at the 90% confidence level.

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title:	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher:	American Physical Society
ISSN:	1550-7998
Official Date:	November 2008
Dates:	Date Event November 2008 UNSPECIFIED
Volume:	Vol.78
Number:	No.9
Number of Pages:	8
Page Range:	article no. 091101(R)
DOI:	10.1103/PhysRevD.78.091101
Status:	Peer Reviewed
Publication Status:	Published

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