Search for eta_c decays into pi pi and K Bar K
| dc.creator | Ablikim, M. | |
| dc.date | 2005-11-08 | |
| dc.date.accessioned | 2026-07-07T10:44:11Z | |
| dc.date.available | 2026-07-07T10:44:11Z | |
| dc.description | Using 58 million $J/ψ$ events taken with the BESII detector, a search for $eta_{c}$ CP violating decays into $ππ$ and $\bar{K}K$ has been performed. No clear $eta_{c}$ is observed, and upper limits for $B(eta_{c}->ππ)$and $B(eta_{c}->\bar{K} K)$ are given at the 90% confidence level, $B(J/ψ->γη_{c})\times B(eta_{c}->π^{+}π^{-})<1.1\times 10^{-5}$ , $B(J/ψ->γη_{c})\times B(eta_{c}->π^{0}π^{0})<0.71\times 10^{-5}$, $B(J/ψ->γη_{c})\times B(eta_{c}->K^{+}K^{-})<0.96\times 10^{-5}$ and $B(J/ψ->γη_{c})\times B(eta_{c}->{K_{s}}^{0}{K_{s}}^{0})<0.53\times 10^{-5}$. | |
| dc.description | 6 pages,4 figures | |
| dc.identifier | https://arxiv.org/abs/hep-ex/0511021 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/0511021 | |
| dc.identifier | Eur.Phys.J.C45:337-341,2006 | |
| dc.identifier | doi:10.1140/epjc/s2005-02445-0 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/182506 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Search for eta_c decays into pi pi and K Bar K | |
| dc.type | text |