Limits on D0-D0bar Mixing and CP Violation from the Ratio of Lifetimes for Decay to K-pi+, K-K+, and pi-pi+
| dc.creator | The BABAR Collaboration | |
| dc.creator | Aubert, B. | |
| dc.date | 2003-05-31 | |
| dc.date | 2003-07-29 | |
| dc.date.accessioned | 2026-07-07T12:01:58Z | |
| dc.date.available | 2026-07-07T12:01:58Z | |
| dc.description | We present a measurement of $D^0$-$\D0bar$ mixing parameters using the ratios of lifetimes extracted from samples of $D^0$ mesons decaying to $K^-π^+$, $K^-K^+$, and $π^-π^+$. Using 91 ${\rm fb}^{-1}$ of data collected by the BaBar detector at the PEP-II asymmetric-energy $B$ Factory, we obtain a value $Y = (0.8 \pm 0.4 ({\rm stat.}) {}^{+0.5}_{-0.4} ({\rm syst.}))$%, which, in the limit of CP conservation, corresponds to the mixing parameter $y = ΔΓ/2Γ$. Using the difference in lifetimes of $D^0$ and $\D0bar$ mesons, we obtain the CP-violation parameter $ΔY = (-0.8 \pm 0.6 ({\rm stat.}) \pm 0.2 ({\rm syst.}))$%. | |
| dc.description | 7 pages, 2 postscript figues, submitted to Phys.Rev.Lett | |
| dc.identifier | https://arxiv.org/abs/hep-ex/0306003 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/0306003 | |
| dc.identifier | Phys.Rev.Lett.91:121801,2003 | |
| dc.identifier | doi:10.1103/PhysRevLett.91.121801 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/207280 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Limits on D0-D0bar Mixing and CP Violation from the Ratio of Lifetimes for Decay to K-pi+, K-K+, and pi-pi+ | |
| dc.type | text |