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Search for the Λ b 0 → Λη ′ and Λ b 0 → Λη decays with the LHCb detector

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sword-2021-04-09T18:23:28.original.xml (130 B)
Original SWORD entry document
Date Issued
2015
Journal
Journal of High Energy Physics
Publisher
Springer Science and Business Media LLC
Citation
Aaij, R., et al. "Search for the Lambda(0)(B) -> Lambda Eta ' and Lambda(0)(B) -> Lambda Eta Decays with the Lhcb Detector." Journal of High Energy Physics 9 (2015).
Version
Final published version
Abstract
© 2015, The Author(s). A search is performed for the as yet unobserved baryonic Λb0 → Λη ′ and Λb0 → Λη decays with 3 fb−1 of proton-proton collision data recorded by the LHCb experiment. The B0 → Ks0η ′ decay is used as a normalisation channel. No significant signal is observed for the Λb0 → Λη ′ decay. An upper limit is found on the branching fraction of ℬΛb0→Λη′ < 3.1 × 10−6 at 90% confidence level. Evidence is seen for the presence of the Λb0 → Λη decay at the level of 3σ significance, with a branching fraction (Formula presented.).
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Creative Commons Attribution 4.0 International license
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DOI of Published Version
10.1007/JHEP09(2015)006
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