A new method for measuring the neutron lifetime using an in situ neutron detector.
Rev Sci Instrum
; 88(5): 053508, 2017 May.
Article
en En
| MEDLINE
| ID: mdl-28571423
ABSTRACT
In this paper, we describe a new method for measuring surviving neutrons in neutron lifetime measurements using bottled ultracold neutrons (UCN), which provides better characterization of systematic uncertainties and enables higher precision than previous measurement techniques. An active detector that can be lowered into the trap has been used to measure the neutron distribution as a function of height and measure the influence of marginally trapped UCN on the neutron lifetime measurement. In addition, measurements have demonstrated phase-space evolution and its effect on the lifetime measurement.
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1
Colección:
01-internacional
Base de datos:
MEDLINE
Idioma:
En
Revista:
Rev Sci Instrum
Año:
2017
Tipo del documento:
Article
País de afiliación:
Estados Unidos