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http://hdl.handle.net/2445/131758
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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 | 2019-04-08T10:55:05Z | - |
dc.date.available | 2019-04-08T10:55:05Z | - |
dc.date.issued | 2011-10-28 | - |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/2445/131758 | - |
dc.description.abstract | We present searches for rare or forbidden charm decays of the form X + c → h ± ℓ ∓ ℓ ( ' ) + , where X + c is a charm hadron ( D + , D + s , or Λ + c ), h ± is a pion, kaon, or proton, and ℓ ( ' ) ± is an electron or muon. The analysis is based on 384 fb − 1 of e + e − annihilation data collected at or close to the Υ ( 4 S ) resonance with the BABAR detector at the SLAC National Accelerator Laboratory. No significant signal is observed for any of the 35 decay modes that are investigated. We establish 90% confidence-level upper limits on the branching fractions between 1 × 10 − 6 and 44 × 10 − 6 depending on the channel. In most cases, these results represent either the first limits or significant improvements on existing limits for the decay modes studied. | - |
dc.format.extent | 13 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.84.072006 | - |
dc.relation.ispartof | Physical Review D, 2011, vol. 84, num. 7, p. 072006 | - |
dc.relation.uri | https://doi.org/10.1103/PhysRevD.84.072006 | - |
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 | Searches for rare or forbidden semileptonic charm decays | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 602015 | - |
dc.date.updated | 2019-04-08T10:55:05Z | - |
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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602015.pdf | 654.92 kB | Adobe PDF | View/Open |
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