Examinando por Autor "Roederer, Beatriz"

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    Study of a Pair of tt+, t t ~ Mesons with Unusual Characteristics
    (Naciones Unidas, 1958) Roederer, Beatriz; Roederer, Juan
    During calibration of a block of Ilford G-5 emulsions, exposed at an altitude of 29 km during a flight over Italy (“Mantua” grid square), we found a pair of ionization tracks close to the level of minimal ionization.