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Measurement of the permanent electric dipole moment of the neutron
C. Abel, S. Afach, N. J. Ayres +81
We present the result of an experiment to measure the electric dipole moment (EDM) of the neutron at the Paul Scherrer Institute using Ramsey's method of separated oscillating magn…
New experimental limits on neutron - mirror neutron oscillations in the presence of mirror magnetic field
Z. Berezhiani, R. Biondi, P. Geltenbort +4
Present probes do not exclude that the neutron () oscillation into mirror neutron (), a sterile state exactly degenerate in mass with the neutron, can be a very fast process…
A Gravity of Earth Measurement with a qBOUNCE Experiment
G. Cronenberg, H. Filter, M. Thalhammer +3
We report a measurement of the local acceleration with ultracold neutrons based on quantum states in the gravity potential of the Earth. The new method uses resonant transition…
A Revised Experimental Upper Limit on the Electric Dipole Moment of the Neutron
J. M. Pendlebury, S. Afach, N. J. Ayres +47
We present for the first time a detailed and comprehensive analysis of the experimental results that set the current world sensitivity limit on the magnitude of the electric dipole…
Observation of the Spatial Distribution of Gravitationally Bound Quantum States of Ultracold Neutrons and Its Derivation Using the Wigner Function
G. Ichikawa, S. Komamiya, Y. Kamiya +9
Ultracold neutrons (UCNs) can be bound by the potential of terrestrial gravity and a reflecting mirror. The wave function of the bound state has characteristic modulations. We carr…
A quantized frequency reference in the short-ranged gravity potential and its application for dark matter and dark energy searches
T. Jenke, G. Cronenberg, P. Geltenbort +6
The evidence for the observation of the Higgs spin-0-boson as a manifestation of a scalar field provides the missing corner stone for the standard model of particles (SM). However,…
An Improved Experimental Limit on the Electric Dipole Moment of the Neutron
C. A. Baker, D. D. Doyle, P. Geltenbort +10
An experimental search for an electric-dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin (ILL), Grenoble. Spurious signals from magnetic-field f…