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First observation of a particle-antiparticle asymmetry in the decay of neutral kaons into π0π0

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Zeitschrift für Physik C Particles and Fields

Abstract

CP violation has been observed as a time-dependent rate asymmetry between the decays ${⩈erline K}^0 ⌝ghtarrow ≪^{0} ≪^{0}$ and K0 → π0π{0}, where the neutral kaons are produced with definite and individually known strangeness in ${⋏r p}p ⌝ghtarrow{⩈erline K}^0 K^+≪^- $ or p̅p → K0 K− π+. A special technique for the data analysis has been developed. The values obtained for ϕ00 and ¦ η00¦ are in agreement with those of previous measurements of CP violation.

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CPLEAR Collaboration. First observation of a particle-antiparticle asymmetry in the decay of neutral kaons into π0π0 . Z Phys C - Particles and Fields 70, 211–217 (1996). https://doi.org/10.1007/s002880050097

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  • DOI: https://doi.org/10.1007/s002880050097

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