title: Measurement of the half-life of ⁶⁸Ga.
abstract: The half-life of the positron-emitter (68)Ga has been measured by following the decay rate with two systems based on ionization chamber and Ge detectors. The decay rate was measured for periods of time up to 10 half-lives. The combination of the 6 results obtained with both systems gives a value of T1/2=67.845(18) min, in good agreement with recommended data and with an uncertainty lower than any other previously reported value.
authors.affiliation: Laboratorio de Metrología de Radiaciones Ionizantes, CIEMAT, Avenida Complutense 40, Madrid 28040, Spain. Electronic address: e.garciatorano@ciemat.es.
authors.forename: Eduardo
authors.initials: E
authors.lastname: García-Toraño
authors.affiliation: Laboratorio de Metrología de Radiaciones Ionizantes, CIEMAT, Avenida Complutense 40, Madrid 28040, Spain.
authors.forename: Virginia
authors.initials: V
authors.lastname: Peyrés Medina
authors.affiliation: Unidad de Aplicaciones Biomédicas y Farmacocinética, CIEMAT, Avenida Complutense 40, Madrid 28040, Spain.
authors.forename: Eduardo
authors.initials: E
authors.lastname: Romero
authors.affiliation: Laboratorio de Metrología de Radiaciones Ionizantes, CIEMAT, Avenida Complutense 40, Madrid 28040, Spain.
authors.forename: Miguel
authors.initials: M
authors.lastname: Roteta
keywords: (68)Ga; Half-life; Nuclear medicine