会议论文详细信息
6th European Conference on Neutron Scattering
A new approach to the experiment intended to test the weak equivalence principle for the neutron
Zakharov, M.A.^1 ; Kulin, G.V.^1 ; Frank, A.I.^1 ; Goryunovs, S.V.^1 ; Kustov, D.V.^1
Joint Institute for Nuclear Research, Dubna, Russia^1
关键词: Discrete energy spectra;    Free fall;    Geometry parameter;    Neutron energy;    New approaches;    Phase grating;    Time of flight;    Weak equivalence principle;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/746/1/012050/pdf
DOI  :  10.1088/1742-6596/746/1/012050
来源: IOP
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【 摘 要 】

A new approach to the free fall experiment with UCN is proposed. The idea is that the experiment is performed with neutrons from different equidistant lines of a discrete energy spectrum with a precisely known distance between the lines. Such a spectrum may be formed by neutron diffraction from a moving phase grating. Time-of-flight values of neutrons from different lines of the spectrum must be measured. Neither the initial neutron energy, nor the geometry parameters of the installation are required to be known in this method.

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