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Measurement of Gamma(Ks -> pi+pi-gamma)/Gamma(Ks -> pi0pi0) | | The KLOE Collaboration
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18 Apr 2002 | | Journal: | Phys.Lett. B538 (2002) 21-26 | | Subject: | hep-ex | | Abstract: | We have measured the ratio R=Gamma(Ks -> pi+pi-gamma)/Gamma(Ks -> pi0pi0) with the KLOE detector at the DAFNE e+e- collider. This measurement is fully inclusive with respect to the pi+pi-gamma final state. The sample of over 10^6 two-pion decays of tagged Ks mesons allows a statistical error as low as 0.1% to be obtained. The accuracy is limited by systematic uncertainties, which are estimated primarily from data. We find R=2.236 +/- 0.003(stat) +/- 0.015(syst). | | Source: | arXiv, hep-ex/0204024 | | Services: | Forum | Review | PDF | Favorites | |
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