Journal article
Analysis of Λ b 0 → pK − μ + μ − decays
- Abstract:
- The differential branching fraction and angular coefficients of Λb0 → pK−μ+μ− decays are measured in bins of the dimuon mass squared and dihadron mass. The analysis is performed using a data set corresponding to 9 fb−1 of integrated luminosity collected with the LHCb detector between 2011 and 2018. The data are consistent with receiving contributions from a mixture of Λ resonances with different spin-parity quantum numbers. The angular coefficients show a pattern of vector-axial vector interference that is a characteristic of the type of flavour-changing neutral-current transition relevant for these decays.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 1.7MB, Terms of use)
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- Publisher copy:
- 10.1007/jhep12(2024)147
Authors
- Publisher:
- Springer
- Journal:
- Journal of High Energy Physics More from this journal
- Volume:
- 2024
- Issue:
- 12
- Article number:
- 147
- Publication date:
- 2024-12-19
- Acceptance date:
- 2024-12-03
- DOI:
- EISSN:
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1029-8479
- ISSN:
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1126-6708
- Language:
-
English
- Keywords:
- Source identifiers:
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2555479
- Deposit date:
-
2025-01-02
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