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http://hdl.handle.net/2445/138443
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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 | 2019-07-26T12:44:48Z | - |
dc.date.available | 2019-07-26T12:44:48Z | - |
dc.date.issued | 2008-05-02 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/2445/138443 | - |
dc.description.abstract | We report on our search for decays proceeding via a tree-level b → c quark transition in which a gluon radiates into an s ¯ s pair. We present observations of the decays B − → D ( * ) + s K − π − and ¯¯¯ B 0 → D + s K 0 S π − and evidence for B − → D + s K − K − and set upper limits on the branching fractions for ¯¯¯ B 0 → D * + s K 0 S π − and B − → D * + s K − K − using 383 × 10 6 Υ ( 4 S ) → B ¯¯¯ B events collected by the BABAR detector at SLAC. We present evidence that the invariant mass distributions of D ( * ) + s K − pairs from B − → D ( * ) + s K − π − decays are inconsistent with the phase-space model, suggesting the presence of charm resonances lying below the D ( * ) + s K − threshold. | - |
dc.format.extent | 7 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/PhysRevLett.100.171803 | - |
dc.relation.ispartof | Physical Review Letters, 2008, vol. 100, num. 17, p. 171803 | - |
dc.relation.uri | https://doi.org/10.1103/PhysRevLett.100.171803 | - |
dc.rights | (c) American Physical Society, 2008 | - |
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 | Observation of Tree-Level B Decays with s¯s Production from Gluon Radiation | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 577717 | - |
dc.date.updated | 2019-07-26T12:44:49Z | - |
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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577717.pdf | 261.91 kB | Adobe PDF | View/Open |
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