Please use this identifier to cite or link to this item:
http://hdl.handle.net/2445/138457
Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Garra Ticó, Jordi | - |
dc.contributor.author | Graugés Pous, Eugeni | - |
dc.contributor.author | BABAR Collaboration | - |
dc.date.accessioned | 2019-07-26T13:26:22Z | - |
dc.date.available | 2019-07-26T13:26:22Z | - |
dc.date.issued | 2008-02-08 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.uri | http://hdl.handle.net/2445/138457 | - |
dc.description.abstract | We present branching fraction measurements of the decays B + → a + 1 ( 1260 ) K 0 and B 0 → a − 1 ( 1260 ) K + with a ± 1 ( 1260 ) → π ∓ π ± π ± . The data sample corresponds to 383 × 10 6 B ¯¯¯ B pairs produced in e + e − annihilation through the Υ ( 4 S ) resonance. We measure the products of the branching fractions B ( B + → a + 1 ( 1260 ) K 0 ) B ( a + 1 ( 1260 ) → π − π + π + ) = ( 17.4 ± 2.5 ± 2.2 ) × 10 − 6 and B ( B 0 → a − 1 ( 1260 ) K + ) B ( a − 1 ( 1260 ) → π + π − π − ) = ( 8.2 ± 1.5 ± 1.2 ) × 10 − 6 . We also measure the charge asymmetries A ch ( B + → a + 1 ( 1260 ) K 0 ) = 0.12 ± 0.11 ± 0.02 and A ch ( B 0 → a − 1 ( 1260 ) K + ) = − 0.16 ± 0.12 ± 0.01 . The first uncertainty quoted is statistical and the second is systematic. | - |
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.100.051803 | - |
dc.relation.ispartof | Physical Review Letters, 2008, vol. 100, num. 5, p. 051803 | - |
dc.relation.uri | https://doi.org/10.1103/PhysRevLett.100.051803 | - |
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 B+→a+1(1260)K0 and B0→a−1(1260)K+ | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 577707 | - |
dc.date.updated | 2019-07-26T13:26:22Z | - |
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 | |
---|---|---|---|---|
577707.pdf | 220.72 kB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.