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Observation of B-0 -> chi K-c0*(0) and evidence for B+ -> chi K-c0*(+)
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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 Research output not available from this repository, contact author.
Official URL: http://dx.doi.org/10.1103/PhysRevD.78.091101
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 |
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| Divisions: | Faculty of 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: |
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| 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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