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Measurement of the branching fraction for ψ(3770)→γχc0
- Source :
- Physics Letters B, Vol 753, Iss C, Pp 103-109 (2016)
- Publication Year :
- 2016
- Publisher :
- Elsevier, 2016.
-
Abstract
- By analyzing a data set of 2.92 fb−1 of e+e− collision data taken at s=3.773 GeV and 106.41×106 ψ(3686) decays taken at s=3.686 GeV with the BESIII detector at the BEPCII collider, we measure the branching fraction and the partial decay width for ψ(3770)→γχc0 to be B(ψ(3770)→γχc0)=(6.88±0.28±0.67)×10−3 and Γ[ψ(3770)→γχc0]=(187±8±19) keV, respectively. These are the most precise measurements to date.
Details
- Language :
- English
- ISSN :
- 03702693 and 18732445
- Volume :
- 753
- Issue :
- C
- Database :
- Directory of Open Access Journals
- Journal :
- Physics Letters B
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.4bc5b2b761db4a08b893476804d55c9c
- Document Type :
- article
- Full Text :
- https://doi.org/10.1016/j.physletb.2015.11.074