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Limpieza de un detector de materia oscura: un caso de elusividad ontológica y normativa
Jaco de Swart1,2, Annemarie Mol2
1Program in Science, Technology, and Society, and Department of Physics, Massachusetts Institute of Technology, Cambridge, MA, USA.
Social studies of science
|August 30, 2025
Resumen
El experimento XENONnT
Área de la Ciencia:
- Física experimental
- Detección de la materia oscura
- Filosofía de la ciencia
Sus antecedentes:
- La limpieza del laboratorio es fundamental para los experimentos científicos.
- El experimento XENONnT tiene como objetivo detectar partículas masivas de interacción débil (WIMPs), una forma de materia oscura.
- La contaminación en los detectores puede imitar o borrar las señales WIMP, lo que representa un desafío significativo.
Objetivo del estudio:
- Explorar las dimensiones ontológicas y normativas de la "limpieza" en el contexto del experimento de materia oscura XENONnT.
- Analizar los desafíos y paradojas asociados con el logro y el mantenimiento de la limpieza experimental.
- Cuestionar las metas y realidades que los esfuerzos científicos, como las búsquedas de materia oscura, deberían priorizar.
Principales métodos:
- Análisis cualitativo de las prácticas y desafíos del experimento XENONnT.
- Examen de la relación entre la limpieza experimental y las preguntas ontológicas sobre la materia oscura.
- Enfoque de estudio de caso centrado en el detector XENONnT en Gran Sasso, Italia.
Principales resultados:
- La búsqueda de la limpieza absoluta en el detector XENONnT es paradójica, ya que una limpieza adicional puede introducir ruido de fondo indestructible (por ejemplo, neutrinos).
- La cuestión ontológica de la existencia de WIMP sigue abierta, por lo que es imposible responder definitivamente si el detector está "suficientemente limpio".
- El experimento se enfrenta a tensiones prácticas y éticas entre sus objetivos internos de limpieza y las regulaciones ambientales externas.
Conclusiones:
- El concepto de un "detector limpio" es inalcanzable, lo que afecta directamente a la capacidad de responder preguntas fundamentales sobre la materia oscura.
- El estudio destaca la compleja interacción entre la práctica científica, los supuestos ontológicos y los objetivos normativos.
- Esto lleva a una reflexión filosófica más amplia sobre qué "bienes" y "realidades" vale la pena buscar en la investigación científica.
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