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Observation of the decay Λc+→Σ−π+π+π0
- Source :
- Physics Letters B, Vol 772, Iss C, Pp 388-393 (2017)
- Publication Year :
- 2017
- Publisher :
- Elsevier, 2017.
-
Abstract
- We report the first observation of the decay Λc+→Σ−π+π+π0, based on data obtained in e+e− annihilations with an integrated luminosity of 567 pb−1 at s=4.6 GeV. The data were collected with the BESIII detector at the BEPCII storage rings. The absolute branching fraction B(Λc+→Σ−π+π+π0) is determined to be (2.11±0.33(stat.)±0.14(syst.))%. In addition, an improved measurement of B(Λ+c→Σ−π+π+) is determined as (1.81±0.17(stat.)±0.09(syst.))%.
- Subjects :
- Branching fraction
Charmed baryon
Weak decays
e+e− annihilation
BESIII
Physics
QC1-999
Subjects
Details
- Language :
- English
- ISSN :
- 03702693 and 18732445
- Volume :
- 772
- Issue :
- C
- Database :
- Directory of Open Access Journals
- Journal :
- Physics Letters B
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.8c6ca88ed0434417b58975c8ca548fcb
- Document Type :
- article
- Full Text :
- https://doi.org/10.1016/j.physletb.2017.06.065