Measurement of the decays Λc → Σππ at Belle

The BELLE collaboration

研究成果: Article査読

6 被引用数 (Scopus)

抄録

We report measurements of the branching fractions of the decays Λc+→Σ+π-π+, Λc+→Σ0π+π0 and Λc+→Σ+π0π0 relative to the reference channel Λc+→pK-π+. The analysis is based on the full data sample collected at and near the (4S) resonance by the Belle detector at the KEKB asymmetric-energy e+e- collider, corresponding to an integrated luminosity of 711 fb-1. We measure B(Λc+→Σ+π-π+)/B(Λc+→pK-π+)=0.719±0.003±0.024, B(Λc+→Σ0π+π0)/B(Λc+→pK-π+)=0.575±0.005±0.036 and B(Λc+→Σ+π0π0)/B(Λc+→pK-π+)=0.247±0.006±0.019. The listed uncertainties are statistical and systematic, respectively.

本文言語English
論文番号112006
ジャーナルPhysical Review D
98
11
DOI
出版ステータスPublished - 2018 12 1

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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