Measurement of branching fractions of Lambda c+-pK0SK0S and Lambda c+-pK0S eta at Belle
dc.contributor.author | Li, L. K. | en |
dc.contributor.author | Kinoshita, K. | en |
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dc.contributor.author | Piilonen, Leo E. | en |
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dc.date.accessioned | 2024-01-22T13:44:03Z | en |
dc.date.available | 2024-01-22T13:44:03Z | en |
dc.date.issued | 2023-02-15 | en |
dc.description.abstract | We present a study of a singly Cabibbo-suppressed decay Λc+→pKS0KS0 and a Cabibbo-favored decay Λc+→pKS0η based on 980 fb-1 of data collected by the Belle detector, operating at the KEKB energy-asymmetric e+e- collider. We measure their branching fractions relative to Λc+→pKS0: B(Λc+→pKS0KS0)/B(Λc+→pKS0)=(1.48±0.08±0.04)×10-2 and B(Λc+→pKS0η)/B(Λc+→pKS0)=(2.73±0.06±0.13)×10-1. Combining with the world average B(Λc+→pKS0), we have the absolute branching fractions, B(Λc+→pKS0KS0)=(2.35±0.12±0.07±0.12)×10-4 and B(Λc+→pKS0η)=(4.35±0.10±0.20±0.22)×10-3. The first and second uncertainties are statistical and systematic, respectively, while the third ones arise from the uncertainty on B(Λc+→pKS0). The mode Λc+→pKS0KS0 is observed for the first time and has a statistical significance of >10σ. The branching fraction of Λc+→pKS0η has been measured with a threefold improvement in precision over previous results and is found to be consistent with the world average. | en |
dc.description.version | Accepted version | en |
dc.format.extent | 9 page(s) | en |
dc.format.mimetype | application/pdf | en |
dc.identifier | ARTN 032004 (Article number) | en |
dc.identifier.doi | https://doi.org/10.1103/PhysRevD.107.032004 | en |
dc.identifier.eissn | 2470-0029 | en |
dc.identifier.issn | 2470-0010 | en |
dc.identifier.issue | 3 | en |
dc.identifier.orcid | Piilonen, Leo [0000-0001-6836-0748] | en |
dc.identifier.uri | https://hdl.handle.net/10919/117449 | en |
dc.identifier.volume | 107 | en |
dc.language.iso | en | en |
dc.publisher | American Physical Society | en |
dc.rights | In Copyright | en |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | en |
dc.title | Measurement of branching fractions of Lambda c+-pK0SK0S and Lambda c+-pK0S eta at Belle | en |
dc.title.serial | Physical Review D | en |
dc.type | Article - Refereed | en |
dc.type.dcmitype | Text | en |
dc.type.other | Article | en |
dc.type.other | Journal | en |
pubs.organisational-group | /Virginia Tech | en |
pubs.organisational-group | /Virginia Tech/Science | en |
pubs.organisational-group | /Virginia Tech/Science/Physics | en |
pubs.organisational-group | /Virginia Tech/All T&R Faculty | en |
pubs.organisational-group | /Virginia Tech/Science/COS T&R Faculty | en |