Experimental study of \etac decays into vector-vector final states
| dc.creator | Ablikim, M. | |
| dc.date | 2005-07-27 | |
| dc.date.accessioned | 2026-07-07T10:28:34Z | |
| dc.date.available | 2026-07-07T10:28:34Z | |
| dc.description | Using 58 million J/ψevents accumulated with the BES II detector, branching fractions for the η_{c} ->VV decays, η_{c} -> ρρ, η_{c} -> K^{*}{\bar K}^{*}, η_{c} -> ωω, and η_{c} -> ϕϕ, are measured. The branching fractions are Br(η_{c} -> ρρ) = (1.25 \pm 0.37 \pm 0.51) \times 10^{-2}, Br(η_{c} -> \K^{*}{\bar K}^{*}) = (10.4 \pm 2.6\pm 4.3) \times 10^{-3}, Br(η_{c} -> ωω) < 6.3 \times 10^{-3} (90 % CL), and Br(η_{c} -> ϕϕ) = (2.5 \pm 0.5 \pm 0.9) \times 10^{-3}. The process η_{c} -> ωϕis also searched for, and the 90% CL upper limit Br(eta_{c} -> ωϕ) < 1.3 \times 10^{-3} is obtained for this process. | |
| dc.description | 12pages,11figures,to be submitted to PRD | |
| dc.identifier | https://arxiv.org/abs/hep-ex/0507100 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/0507100 | |
| dc.identifier | Phys.Rev.D72:072005,2005 | |
| dc.identifier | doi:10.1103/PhysRevD.72.072005 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/177489 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Experimental study of \etac decays into vector-vector final states | |
| dc.type | text |