Observation of the hadronic transitions chi(b1,2)(2P) -> omega Upsilon(1S)

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Issue Date
2004-06Author
Besson, David Zeke
Publisher
AMERICAN PHYSICAL SOC
Type
Article
Published Version
http://publish.aps.org/Metadata
Show full item recordAbstract
The CLEO Collaboration has made the first observations of hadronic transitions among bottomonium (b (b) over bar) states other than the dipion transitions among Y(nS) states. In our study of Y(3S) decays, we find a significant signal for Y(3S)-->gammaomegaY(1S) that is consistent with radiative decays Y(3S)-->gammachi(b1,2)(2P), followed by chi(b1,2)(2P)-->omegaY(1S). The branching ratios we obtain are B[chi(b1)(2P)-->omegaY(1S)]=(1.63(-0.31-0.15)(+0.35+0.16))% and B[chi(b2)(2P)-->omegaY(1S)]=(1.10(-0.28-0.10)(+0.32+0.11))%, in which the first error is statistical and the second is systematic.
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Citation
Cronin-Hennessy, D, Park, CS, et al. Observation of the hadronic transitions chi(b1,2)(2P) -> omega Upsilon(1S). PHYSICAL REVIEW LETTERS. June 2004. 92(22)
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