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Measurement of the Mass of the D0 Meson

Abstract : We report a measurement of the D0 meson mass using the decay chain D*(2010)+ -> D0 pi+ with D0 -> K- K- K+ pi+. The data were recorded with the BaBar detector at center-of-mass energies at and near the Y(4S) resonance, and correspond to an integrated luminosity of approximately 477 1/fb. We obtain m(D0) = (1864.841 +- 0.048 +- 0.063) MeV, where the quoted errors are statistical and systematic, respectively. The uncertainty of this measurement is half that of the best previous measurement.
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Submitted on : Wednesday, August 7, 2013 - 11:04:12 AM
Last modification on : Sunday, June 26, 2022 - 11:59:28 AM

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J. P. Lees, V. Poireau, V. Tisserand, N. Arnaud, M. Davier, et al.. Measurement of the Mass of the D0 Meson. Physical Review D, American Physical Society, 2013, 88, pp.071104. ⟨10.1103/PhysRevD.88.071104⟩. ⟨in2p3-00850545⟩



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