We present evidence of D0-D̄0 mixing using a time-dependent amplitude analysis of the decay D0→K+π-π0 in a data sample of 384fb-1 collected with the BABAR detector at the PEP-II e+e- collider at the Stanford Linear Accelerator Center. Assuming CP conservation, we measure the mixing parameters xKππ0′=[2.61-0.68+0.57(stat)±0.39(syst)]%, yKππ0′=[-0.06-0.64+0.55(stat)±0.34(syst)]%. This result is inconsistent with the no-mixing hypothesis with a significance of 3.2 standard deviations. We find no evidence of CP violation in mixing. © 2009 The American Physical Society.

Aubert, B., Bona, M., Karyotakis, Y., Lees, J., Poireau, V., Prencipe, E., et al. (2009). Measurement of D0-D̄0 Mixing from a Time-Dependent Amplitude Analysis of D0→K+π-π0 Decays. PHYSICAL REVIEW LETTERS, 103(21), 1-7 [10.1103/PhysRevLett.103.211801].

Measurement of D0-D̄0 Mixing from a Time-Dependent Amplitude Analysis of D0→K+π-π0 Decays

PATRIGNANI, CLAUDIA;
2009

Abstract

We present evidence of D0-D̄0 mixing using a time-dependent amplitude analysis of the decay D0→K+π-π0 in a data sample of 384fb-1 collected with the BABAR detector at the PEP-II e+e- collider at the Stanford Linear Accelerator Center. Assuming CP conservation, we measure the mixing parameters xKππ0′=[2.61-0.68+0.57(stat)±0.39(syst)]%, yKππ0′=[-0.06-0.64+0.55(stat)±0.34(syst)]%. This result is inconsistent with the no-mixing hypothesis with a significance of 3.2 standard deviations. We find no evidence of CP violation in mixing. © 2009 The American Physical Society.
2009
Aubert, B., Bona, M., Karyotakis, Y., Lees, J., Poireau, V., Prencipe, E., et al. (2009). Measurement of D0-D̄0 Mixing from a Time-Dependent Amplitude Analysis of D0→K+π-π0 Decays. PHYSICAL REVIEW LETTERS, 103(21), 1-7 [10.1103/PhysRevLett.103.211801].
Aubert, B; Bona, M.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Prencipe, E.; Prudent, X.; Tisserand, V.; Tico, J. Garra; Grauges, E.; Lopez, L.; Palano...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/548018
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