Journal article
Measurements of branching fractions of Λ c + → Σ 0 K S 0 π + and Λ c + → Σ 0 K S 0 K +
- Abstract:
- Based on a data sample corresponding to an integrated luminosity of 6.4 fb−1 of e+e− annihilation and collected with the BESIII detector at 13 center-of-mass energy points ranging between 4.600 GeV and 4.950 GeV, we report the first observation of the singly Cabibbo-suppressed decay Λc+→Σ0KS0π+ with a statistical significance of 5.9σ. The branching fraction is determined to be BΛc+→Σ0KS0π+=0.58±0.14stat.±0.04syst.×10−3. In addition, the decay Λc+→Σ0KS0K+ has also been investigated, and the evidence for this decay is obtained with a statistical significance of 3.7σ.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 753.9KB, Terms of use)
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- Publisher copy:
- 10.1007/jhep06(2026)009
Authors
+ U.S. Department of Energy
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- Funder identifier:
- 10.13039/100000015
- Grant:
- DE-FG02-05ER41374
+ Polish National Science Centre
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- Funder identifier:
- 10.13039/501100004281
- Grant:
- 2024/53/B/ST2/00975
+ Swedish Research Council
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- Funder identifier:
- https://ror.org/03zttf063
- Grant:
- 2019.04595
+ European Research Council
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- Funder identifier:
- https://ror.org/0472cxd90
- Grant:
- 758462
+ German Research Foundation
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- Funder identifier:
- https://ror.org/018mejw64
- Grant:
- FOR5327
- Publisher:
- Springer
- Journal:
- Journal of High Energy Physics More from this journal
- Volume:
- 2026
- Issue:
- 6
- Article number:
- 9
- Publication date:
- 2026-06-01
- Acceptance date:
- 2026-04-13
- DOI:
- EISSN:
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1029-8479
- ISSN:
-
1126-6708
- Language:
-
English
- Keywords:
- Source identifiers:
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4110485
- Deposit date:
-
2026-06-03
- ARK identifier:
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Terms of use
- Copyright date:
- 2026
- Licence:
- CC Attribution (CC BY)
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