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Measurements of Lambda(+)(c) branching fractions of Cabibbo-suppressed decay modes involving Lambda and Sigma(0)

Abstract:

We measure the branching ratios of the Cabibbo-suppressed decays Λc+→ΛK+ and Λc+→Σ0K+ relative to the Cabibbo-favored decay modes Λc+→Λπ+ and Λc+→Σ0π+ to be 0.044±0.004(stat.)±0.003(syst. ) and 0.038±0.005(stat.)±0.003(syst.), respectively. We set an upper limit on the branching ratio at the 90% confidence level for Λc+→ΛK+π+π- of 4.1×10-2 relative to Λc+→Λπ+, and for Λc+→Σ0K+π+π- of 2.0×10-2 relative to Λc+→Σ0π+. We also measure the branching fraction for the Cabibbo-favored mode Λc+→Σ0π+ re...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.75.052002

Authors


Boutigny, D More by this author
Couderc, F More by this author
Karyotakis, Y More by this author
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Journal:
PHYSICAL REVIEW D
Volume:
75
Issue:
5
Publication date:
2007-03-05
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:8fcaabe6-53bf-49a5-a3f8-b8fb93923479
Source identifiers:
12550
Local pid:
pubs:12550
Language:
English

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