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http://hdl.handle.net/2445/131437
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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 | 2019-04-04T13:44:00Z | - |
dc.date.available | 2019-04-04T13:44:00Z | - |
dc.date.issued | 2007-12-21 | - |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/2445/131437 | - |
dc.description.abstract | We search for decays of a B meson into a neutral D meson and a charged kaon, with the D meson decaying into a charged kaon, a charged pion, and a neutral pion. This final state can be reached through the b → c transition B − → D 0 K − followed by the doubly Cabibbo-suppressed D 0 → K + π − π 0 , or the b → u transition B − → ¯¯¯ D 0 K − followed by the Cabibbo-favored ¯¯¯ D 0 → K + π − π 0 . The interference of these two amplitudes is sensitive to the angle γ of the unitarity triangle. We present results based on 226 × 10 6 e + e − → Υ ( 4 S ) → B ¯¯¯ B events collected with the BABAR detector at SLAC. We find no significant evidence for these decays and we set a limit R ADS ≡ Γ ( [ K + π − π 0 ] D K − ) + Γ ( [ K − π + π 0 ] D K + ) Γ ( [ K + π − π 0 ] D K + ) + Γ ( [ K − π + π 0 ] D K − ) < 0.039 at 95% confidence level, which we translate with a Bayesian approach into r B ≡ | A ( B − → ¯¯¯ D 0 K − ) / A ( B − → D 0 K − ) | < 0.19 at 95% confidence level. | - |
dc.format.extent | 8 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.76.111101 | - |
dc.relation.ispartof | Physical Review D, 2007, vol. 76, num. 11, p. 111101(R) | - |
dc.relation.uri | https://doi.org/10.1103/PhysRevD.76.111101 | - |
dc.rights | (c) American Physical Society, 2007 | - |
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 | Search for b → u transitions in B− → [K+π−π0]DK− | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 558180 | - |
dc.date.updated | 2019-04-04T13:44:00Z | - |
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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558180.pdf | 517.7 kB | Adobe PDF | View/Open |
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