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The PanEDM Neutron Electric Dipole Moment Experiment at the ILL
David Wurm, Douglas H. Beck, Tim Chupp +24
The neutron's permanent electric dipole moment is constrained to below (90% C.L.) [ arXiv:hep-ex/0602020, arXiv:1509.04411 ], by experiments usi…
Magnetic field uniformity in neutron electric dipole moment experiments
C. Abel, N. Ayres, T. Baker +53
Magnetic field uniformity is of the utmost importance in experiments to measure the electric dipole moment of the neutron. A general parametrization of the magnetic field in terms…
Ultracold neutron production and up-scattering in superfluid helium between 1.1 K and 2.4 K
K. K. H. Leung, S. Ivanov, F. M. Piegsa +2
Ultracold neutrons (UCNs) were produced in a 4 liter volume of superfluid helium using the PF1B cold neutron beam facility at the Institut Laue-Langevin and then extracted to a det…
Gravitational Depolarization of Ultracold Neutrons: Comparison with Data
S. Afach, N. J. Ayres, C. A. Baker +47
We compare the expected effects of so-called gravitationally enhanced depolarization of ultracold neutrons to measurements carried out in a spin-precession chamber exposed to a var…
A comparison of two magnetic ultra-cold neutron trapping concepts using a Halbach-octupole array
K. Leung, S. Ivanov, F. Martin +3
This paper describes a new magnetic trap for ultra-cold neutrons (UCNs) made from a 1.2 m long Halbach-octupole array of permanent magnets with an inner bore radius of 47 mm combin…
New source for ultracold neutrons at the Institut Laue-Langevin
F. M. Piegsa, M. Fertl, S. N. Ivanov +5
A new intense superthermal source for ultracold neutrons (UCN) has been installed at a dedicated beam line at the Institut Laue-Langevin. Incident neutrons with a wavelength of 0.8…