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Study of radiative bottomonium transitions using converted photons
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(2011) Study of radiative bottomonium transitions using converted photons. Physical Review D, Vol.84 (No.7). Article: 072002. doi:10.1103/PhysRevD.84.072002 ISSN 0556-2821.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.84.072002
Abstract
We use (111 +/- 1) million Gamma(3S) and (89 +/- 1) million Gamma(2S) events recorded by the BABAR detector at the PEP-II B-factory at SLAC to perform a study of radiative transitions between bottomonium states using photons that have been converted to e(+)e(-) pairs by the detector material. We observe Gamma(3S) -> gamma chi b(0,2)(1P) decay, make precise measurements of the branching fractions for chi b(1,2)(1P, 2P) -> gamma Gamma(1S) and chi b(1,2)(2P) -> gamma Gamma(2S) decays, and search for radiative decay to the eta(b)(1S) and eta(b)(2S) states.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Physical Review D | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0556-2821 | ||||
| Official Date: | 10 October 2011 | ||||
| Dates: |
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| Volume: | Vol.84 | ||||
| Number: | No.7 | ||||
| Page Range: | Article: 072002 | ||||
| DOI: | 10.1103/PhysRevD.84.072002 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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