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Observation of the Υ(1^{3}D_{J}) bottomonium state through decays to π^{+}π^{-}Υ(1S)
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(2010) Observation of the Υ(1^{3}D_{J}) bottomonium state through decays to π^{+}π^{-}Υ(1S). Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.82 (No.11). article no. 111102(R) . doi:10.1103/PhysRevD.82.111102 Full text not available from this repository, contact author.
Official URL: http://dx.doi.org/10.1103/PhysRevD.82.111102
Abstract
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)→γγπ+π-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).
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| 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: | 22 December 2010 | ||||
| Dates: |
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| Volume: | Vol.82 | ||||
| Number: | No.11 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | article no. 111102(R) | ||||
| DOI: | 10.1103/PhysRevD.82.111102 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | DOE , NSF (USA) , NSERC (Canada) , CEA , CNRS-IN2P3 (France) , BMBF , DFG (Germany) , INFN (Italy) , FOM (The Netherlands) , NFR (Norway) , MES (Russia) , MEC (Spain) , STFC (United Kingdom) , Marie Curie EIF (European Union) , A. P. Sloan Foundation |
Data sourced from Thomson Reuters' Web of Knowledge
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