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Observations of Λb0 → ΛK+π− and Λb0 → ΛK+K− decays and searches for other Λb0 and Ξb0 decays to Λh+h′− final states
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LHCb collaboration (Including: Back, J. J., Blake, Thomas, Crocombe, Andrew, Gershon, T. J., Kreps, Michal, Langenbruch, Christoph, Latham, Thomas, Loh, David, Mathad, Abhijit , O’Hanlon, Daniel, Poluektov, Anton, Wallace, Charlotte and Wicht, Jean). (2016) Observations of Λb0 → ΛK+π− and Λb0 → ΛK+K− decays and searches for other Λb0 and Ξb0 decays to Λh+h′− final states. Journal of High Energy Physics, 2016 (5). p. 81. 81. doi:10.1007/jhep05(2016)081
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WRAP-observations-decays-searches-other-decays-final-states-2016.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (552Kb) | Preview |
Official URL: https://doi.org/10.1007/jhep05(2016)081
Abstract
A search is performed for the charmless three-body decays of the Λb0 and Ξb0 baryons to the final states Λh+h′−, where h(′) = π or K. The analysis is based on a data sample, corresponding to an integrated luminosity of 3 fb−1 of pp collisions, collected by the LHCb experiment. The Λb0 → ΛK+π− and Λb0 → ΛK+K− decays are observed for the first time and their branching fractions and CP asymmetry parameters are measured. Evidence is seen for the Λb0 → Λπ+π− decay and limits are set on the branching fractions of Ξb0 baryon decays to the Λh+h′− final states.
| Item Type: | Journal Article | ||||||
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| Divisions: | Faculty of Science > Physics | ||||||
| SWORD Depositor: | Library Publications Router | ||||||
| Journal or Publication Title: | Journal of High Energy Physics | ||||||
| Publisher: | Springer Berlin Heidelberg | ||||||
| ISSN: | 1029-8479 | ||||||
| Official Date: | 13 May 2016 | ||||||
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| Volume: | 2016 | ||||||
| Number: | 5 | ||||||
| Page Range: | p. 81 | ||||||
| Article Number: | 81 | ||||||
| DOI: | 10.1007/jhep05(2016)081 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access |
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