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http://hdl.handle.net/2445/131754
Title: | A Study of radiative bottomonium transitions using converted photons |
Author: | Garra Ticó, Jordi Graugés Pous, Eugeni BABAR Collaboration |
Keywords: | Física de partícules Experiments Particle physics Experiments |
Issue Date: | 10-Oct-2011 |
Publisher: | American Physical Society |
Abstract: | We use ( 111 ± 1 ) million Υ ( 3 S ) and ( 89 ± 1 ) million Υ ( 2 S ) 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 Υ ( 3 S ) → γ χ b 0 , 2 ( 1 P ) decay, make precise measurements of the branching fractions for χ b 1 , 2 ( 1 P , 2 P ) → γ Υ ( 1 S ) and χ b 1 , 2 ( 2 P ) → γ Υ ( 2 S ) decays, and search for radiative decay to the η b ( 1 S ) and η b ( 2 S ) states. |
Note: | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevD.84.072002 |
It is part of: | Physical Review D, 2011, vol. 84, num. 7, p. 072002 |
URI: | http://hdl.handle.net/2445/131754 |
Related resource: | https://doi.org/10.1103/PhysRevD.84.072002 |
ISSN: | 1550-7998 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
Files in This Item:
File | Description | Size | Format | |
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602010.pdf | 1.11 MB | Adobe PDF | View/Open |
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