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EnglishWe 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.
http://hdl.handle.net/11384/4461| Titolo: | Search for CP violation in the decay D(+/-) -> K(S)(0)pi(+/-) RID C-5223-2009 |
| Autori interni: | LUSIANI, Alberto |
| Data di pubblicazione: | 2011 |
| Rivista: | PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY |
| 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. |
| Handle: | http://hdl.handle.net/11384/4461 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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