Préparation de l'expérience GRANIT et recherche de nouvelles interactions avec les neutrons.
作者： Guillaume Pignol
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摘要: Les etats quantiques du neutron dans le champ de pesanteur offrent une situation unique ou on mesure un phenomene quantique associe a la gravitation. neutrons qui rebondissent sous l'effet au dessus d'un miroir parfait voient leur energie restreinte prendre des valeurs discretes. Le projet GRANIT vise mesurer precisement les niveaux d'energie. Une methode originale l'energie transition entre deux est proposee, ce sera premiere phase GRANIT. Sa faisabilite demontree et parametres dispositifs sont optimises. La sensibilite hypothetique interaction supplementaire analysee. potentiel decouverte compare celui d'autres experiences utilisant neutrons. Notamment, l'utilisation spectrometre dedie moment dipolaire electrique pour rechercher nouvelle dependant spin discutee.
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