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Measurement of the decay $K_{L} \to e^{+}e^{-} \gamma \gamma$
The full data set of the NA31 experiment at CERN has been used to analyse the decay mode $K^{0}_{L} \to e^{+}e^{−}\gamma\gamma$. A signal of 47 events has been observed with an estimated background of 6.9 events. The total number of kaon decays in the decay volume was determined to be $(2.1 \pm 0.1_...
Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Lenguaje: | eng |
Publicado: |
1998
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(97)01589-X http://cds.cern.ch/record/363097 |