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|a Cowan, Ray Franklin
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|a Massachusetts Institute of Technology. Department of Physics
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|a Sciolla, Gabriella
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|a Sciolla, Gabriella
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|a Cowan, Ray Franklin
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|a Dujmic, Denis
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|a Fisher, Peter H.
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|a Dujmic, Denis
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|a Fisher, Peter H.
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|a Sciolla, Gabriella
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|a Observation of the Υ(1[superscript 3]DJ) bottomonium state through decays to pi+pi-Υ(1S)
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|a Observation of the Υ(13DJ) bottomonium state through decays to π+π-Υ(1S)
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|b American Physical Society,
|c 2011-09-14T16:38:39Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/65839
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|a Based on 122×106Υ(3S) events collected with the BABAR detector, we have observed the Υ(13DJ) bottomonium state through the Υ(3S)→γγΥ(13DJ)→γγpi+pi-Υ(1S) decay chain. The significance for the J=2 member of the Υ(13DJ) triplet is 5.8 standard deviations including systematic uncertainties. The mass of the J=2 state is determined to be 10 164.5±0.8(stat)±0.5(syst) MeV/c2. We use the π+π- invariant mass distribution to confirm the consistency of the observed state with the orbital angular momentum assignment of the Υ(13DJ).
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|a Alfred P. Sloan Foundation
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|a United States. Dept. of Energy
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|a National Science Foundation (U.S.)
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|a en_US
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|a Article
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|t Physical Review D
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