We analyze 230.4 fb(-1) of data collected with the BABAR detector at the PEP-II e(+)e(-) collider at SLAC to search for evidence of D-0-(D) over bar (0) mixing using regions of phase space in the decay D-0 -> K+pi(-)pi(0). We measure the time-integrated mixing rate R-M=(0.023(-0.014)(+0.018)(stat.)+/- 0.004(syst.))%, and R-M < 0.054% at the 95% confidence level, assuming CP invariance. The data are consistent with no mixing at the 4.5% confidence level. We also measure the branching ratio for D-0 -> K+pi(-)pi(0) relative to D-0 -> K-pi(+)pi(0) to be (0.214 +/- 0.008(stat.)+/- 0.008(syst.))%.

Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0) / Aubert, B., Barate, R., Bona, M., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.p., Poireau, V., Tisserand, V., Zghiche, A., Grauges, E., Palano, A., Chen, J.c., Qi, N.d., Rong, G., Wang, P., Zhu, Y.s., Eigen, G., Ofte, I., Stugu, B., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 97:22(2006). [10.1103/physrevlett.97.221803]

Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0)

RAHATLOU, SHAHRAM;BELLINI, Fabio;CAVOTO, Gianluca;DEL RE, Daniele;FACCINI, Riccardo;FERRONI, Fernando;GASPERO, Mario;VOENA C;
2006

Abstract

We analyze 230.4 fb(-1) of data collected with the BABAR detector at the PEP-II e(+)e(-) collider at SLAC to search for evidence of D-0-(D) over bar (0) mixing using regions of phase space in the decay D-0 -> K+pi(-)pi(0). We measure the time-integrated mixing rate R-M=(0.023(-0.014)(+0.018)(stat.)+/- 0.004(syst.))%, and R-M < 0.054% at the 95% confidence level, assuming CP invariance. The data are consistent with no mixing at the 4.5% confidence level. We also measure the branching ratio for D-0 -> K+pi(-)pi(0) relative to D-0 -> K-pi(+)pi(0) to be (0.214 +/- 0.008(stat.)+/- 0.008(syst.))%.
2006
01 Pubblicazione su rivista::01a Articolo in rivista
Search for D-0-(D)over-bar(0) mixing and branching-ratio measurement in the decay D-0 -> K+pi(-)pi(0) / Aubert, B., Barate, R., Bona, M., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J.p., Poireau, V., Tisserand, V., Zghiche, A., Grauges, E., Palano, A., Chen, J.c., Qi, N.d., Rong, G., Wang, P., Zhu, Y.s., Eigen, G., Ofte, I., Stugu, B., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 97:22(2006). [10.1103/physrevlett.97.221803]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/231910
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