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http://hdl.handle.net/2445/131756
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DC Field | Value | Language |
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dc.contributor.author | Garra Ticó, Jordi | - |
dc.contributor.author | Graugés Pous, Eugeni | - |
dc.contributor.author | BABAR Collaboration | - |
dc.date.accessioned | 2019-04-08T10:47:42Z | - |
dc.date.available | 2019-04-08T10:47:42Z | - |
dc.date.issued | 2011-07-27 | - |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/2445/131756 | - |
dc.description.abstract | We study inclusive dipion decays using a sample of 108 × 10 6 Υ ( 3 S ) events recorded with the BABAR detector. We search for the decay mode Υ ( 3 S ) → π + π − h b ( 1 P ) and find no evidence for the bottomonium spin-singlet state h b ( 1 P ) in the invariant mass distribution recoiling against the π + π − system. Assuming the h b ( 1 P ) mass to be 9.900 GeV / c 2 , we measure the upper limit on the branching fraction B [ Υ ( 3 S ) → π + π − h b ( 1 P ) ] < 1.2 × 10 − 4 , at 90% confidence level. We also investigate the χ b J ( 2 P ) → π + π − χ b J ( 1 P ) , Υ ( 3 S ) → π + π − Υ ( 2 S ) , and Υ ( 2 S ) → π + π − Υ ( 1 S ) dipion transitions and present an improved measurement of the branching fraction of the Υ ( 3 S ) → π + π − Υ ( 2 S ) decay and of the Υ ( 3 S ) − Υ ( 2 S ) mass difference. | - |
dc.format.extent | 9 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | American Physical Society | - |
dc.relation.isformatof | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevD.84.011104 | - |
dc.relation.ispartof | Physical Review D, 2011, vol. 84, num. 1, p. 011104 | - |
dc.relation.uri | https://doi.org/10.1103/PhysRevD.84.011104 | - |
dc.rights | (c) American Physical Society, 2011 | - |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Física de partícules | - |
dc.subject.classification | Experiments | - |
dc.subject.other | Particle physics | - |
dc.subject.other | Experiments | - |
dc.title | Study of dipion bottomonium transitions and search for the hb(1P)state | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 602013 | - |
dc.date.updated | 2019-04-08T10:47:42Z | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
Files in This Item:
File | Description | Size | Format | |
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602013.pdf | 362.39 kB | Adobe PDF | View/Open |
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