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Measurements of absolute hadronic branching fractions of the $\Lambda_c^+$ baryon

Submit Time: 2016-09-12
Author: Ablikim, M. and others 1 ;
Institute: 1.BESIII Collaboration;

Abstracts

Using?567pb?1?of?e+e??collisions recorded at?s√=4.599GeV?with the BESIII detector, we report first measurements of absolute hadronic branching fractions of Cabibbo-favored decays of the?Λ+c?baryon with a double-tag technique. A global least-square fitter is utilized to improve the measured precision. Among the measurements for twelve?Λ+c?decay modes, the branching fraction for?Λ+c→pK?π+?is determined to be?(5.84±0.27±0.23)%, where the first uncertainty is statistical and the second is systematic. In addition, the measurements of the branching fractions of the other eleven Cabbibo-favored hadronic decay modes are significantly improved.
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Keywords: BESIII; hadronic;
Recommended references: Ablikim, M. and others.(2016).Measurements of absolute hadronic branching fractions of the $\Lambda_c^+$ baryon.[ChinaXiv:201609.00799] (Click&Copy)
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[V1] 2016-09-12 09:01:30 chinaXiv:201609.00799V1 Download
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