Measurement of the branching fractions of the singly Cabibbo-suppressed decays $$ {\Lambda}_{\textrm{c}}^{+}\to \textrm{p}\eta $$ and $$ {\Lambda}_{\textrm{c}}^{+}\to \textrm{p}\omega $$

Journal article

Based on 4.5 fb−1 e + e − collision data collected with BESIII detector at seven energy points between 4.600 and 4.699 GeV, the branching fractions for Λc+→pη and Λc+→pω were measured by means of single-tag method. The branching fractions of Λc+→pη and Λc+→pω are determined to be (1.57 ± 0.11stat ± 0.04syst) × 10−3 and (1.11 ± 0.20stat ± 0.07syst) × 10−3, with a statistical significance of greater than 10σ and 5.7σ, respectively. These results are consistent with the previous measurements by BESIII, LHCb and Belle, and the result of Λc+→pη is the most precise to date

Authors: Ablikim, M; Achasov, MN; Adlarson, P; Aliberti, R; Amoroso, A

• Publication status: Published
• Peer review status: Peer reviewed
• Publisher: Springer
• Journal: Journal of High Energy Physics
• Volume: 2023
• Issue: 11
• Pages: 137
• Publication date: 2023-11-21
• DOI: 10.1007/jhep11(2023)137
• EISSN: 1029-8479
• ISSN: 1126-6708
• Language: English