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Nobel laureate Hans Dehmelt trapped a positron for three months, which was named “Priscilla”. Dehmelt said that we could not doubt the identity of Priscilla. This poses us a philosophical problem, for we have learnt from quantum physics (in most of its interpretations) that quantum objects shouldn’t have individuality. In this paper, we address on the questions of naming quanta and the issue of individuation. We conclude by saying that, although Dehmelt has named something, this something is not an individual.<br><br>El Premio Nobel Hans Dehmelt aprisionó un positron, que fue llamado “Priscilla”. Dehmelt dijo que no podemos dudar de la identidad de Priscilla. Eso nos coloca un problema filosófico, puesto que aprendimos con la mecánica cuántica (en sus principales interpretaciones) que los objetos cuánticos no deberían tener individualidad. En este artículo, discutimos las cuestiones de nombrar los quanta y las cuestiones de la individuación. Conclúyenos que, a pesar de que Dehmelt nombró algo, ese algo no es un individuo

Is Priscilla, the trapped positron, an individual? Quantum physics, the use of names, and individuation