We report on a search for CP violation in the decay D±→KS0π± using a data set corresponding to an integrated luminosity of 469  fb-1 collected with the BABAR detector at the PEP-II asymmetric energy e+e- storage rings. The CP-violating decay rate asymmetry ACP is determined to be (-0.44±0.13(stat)±0.10(syst))%, consistent with zero at 2.7σ and with the standard model prediction of (-0.332±0.006)%. This is currently the most precise measurement of this parameter.

Search for CP violation in the decay D^{±}→K_{S}^{0}π^{±}

LANCERI, LIVIO;VITALE, LORENZO;
2011-01-01

Abstract

We report on a search for CP violation in the decay D±→KS0π± using a data set corresponding to an integrated luminosity of 469  fb-1 collected with the BABAR detector at the PEP-II asymmetric energy e+e- storage rings. The CP-violating decay rate asymmetry ACP is determined to be (-0.44±0.13(stat)±0.10(syst))%, consistent with zero at 2.7σ and with the standard model prediction of (-0.332±0.006)%. This is currently the most precise measurement of this parameter.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2567221
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