We report on a search for CP violation in the decay D(+/-) -> K(S)(0)pi(+/-) 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 A(CP) is determined to be (-0.44 +/- 0: 13(stat) +/- 0.10(syst))%, consistent with zero at 2.7 sigma 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)pi(+/-) RID C-5223-2009

BIANCHI, Fabrizio;GAMBA, Diego;PELLICCIONI, Mario;
2011-01-01

Abstract

We report on a search for CP violation in the decay D(+/-) -> K(S)(0)pi(+/-) 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 A(CP) is determined to be (-0.44 +/- 0: 13(stat) +/- 0.10(syst))%, consistent with zero at 2.7 sigma and with the standard model prediction of (-0.332 +/- 0.006)%. This is currently the most precise measurement of this parameter.
2011
83
071103
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P. D. Sanchez;J. P. Lees;V. Poireau;E. Prencipe;V. Tisserand;J. G. Tico;E. Grauges;M. Martinelli;D. A. Milanes;A. Palano;M. Pappagallo;G. ...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/92343
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