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Observations of the Cabibbo-Suppressed decays Λ+c → nπ+ π0, nπ+π-π+ and the Cabibbo-Favored decay Λ+c → nK-π+π+*
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- Ablikim, M. (author)
- Inst High Energy Phys, Beijing 100049, Peoples R China
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- Adlarson, Patrik (author)
- Uppsala universitet,Kärnfysik
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- Johansson, Tord (author)
- Uppsala universitet,Kärnfysik
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- Institute of Physics Publishing (IOPP), 2023
- 2023
- English.
- In: Chinese Physics C. - : Institute of Physics Publishing (IOPP). - 1674-1137 .- 2058-6132. ; 47:2
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Using electron-positron annihilation data samples corresponding to an integrated luminosity of 4.5 fb, collected by the BESIII detector in the energy region between and , we report the first observations of the Cabibbo-suppressed decays , , and the Cabibbo-favored decay with statistical significances of , , and , respectively. The branching fractions of these decays are measured to be %, $ 0.03)$%, and %, where the first uncertainties are statistical and the second are systematic. We find that the branching fraction of the decay is about one order of magnitude higher than that of .
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- Lambda+c baryon
- Branching fraction
- BESIII detector
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Ablikim, M.
- Adlarson, Patrik
- Johansson, Tord
- Kupsc, Andrzej
- Schönning, Karin ...
- Thorén, Viktor
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- Wolke, Magnus
- Zou, J. H.
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- NATURAL SCIENCES
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