Experimental Limit for the Neutron Charge

Shull, C. G.; Billman, K. W.; Wedgwood, F A

doi:10.1103/physrev.153.1415

Cited by 64 publications

(22 citation statements)

References 16 publications

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“…The physical sense of this expression for the decay rate becomes clear after comparison with the semiclassical expressions (9). Taking into account the expression (10) for the classical frequency !…”

Section: Transition Factormentioning

confidence: 92%

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Quantum motion of a neutron in a waveguide in the gravitational field

et al. 2006

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We study theoretically the quantum motion of a neutron in a horizontal waveguide in the gravitational field of the Earth. The waveguide in question is equipped with a mirror below and a rough surface absorber above. We show that such a system acts as a quantum filter, i.e. it effectively absorbs quantum states with sufficiently high transversal energy but transmits low-energy states. The states transmitted are determined mainly by the potential well formed by the gravitational field of the Earth and the mirror. The formalism developed for quantum motion in an absorbing waveguide is applied to the description of the recent experiment on the observation of the quantum states of neutrons in the Earth's gravitational field

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Section: Transition Factormentioning

confidence: 92%

“…n ; (9) where P n is the probability of absorption of a neutron with energy E n by an absorber during a ''one-time collision,'' while ! n is the frequency of these collisions.…”

Section: The Principle For Observation Of the Quantum Gravitatiomentioning

confidence: 99%

Quantum motion of a neutron in a waveguide in the gravitational field

et al. 2006

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“…For the neutron, one can ask whether there is a coupling (9) where the form factors obey /^O) =/ 2 (0) = 1. Then the first term would be due to a static charge on the neutron, while the second term would be due to a "dynamic" charge, which would also exhibit a generalized v x B force in a magnetic field and an AB effect.…”

Section: (P-?*)•'expmentioning

confidence: 99%

Is There an Aharonov-Bohm Effect for Neutrons?

et al. 1981

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A neutron interferometer experiment testing the existence of an Aharonov-Bohm effect has been performed and no measurable phase shift has been found upon reversal of the enclosed magnetic flux. A positive result would have provided evidence for a breakdown in the standard minimal-coupling scheme for the electromagnetic interaction of a neutron. The sensitivity of the experiment sets the ratio of the Aharonov-Bohm effect for a neutron to that of a particle of charge e to be less than 5 X 10" 12 .

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“…Neutron crystal spectrometers are usually equipped with "imperfect" mosaic crystals which offer much higher integrated reflectivities than 'perfect' ones with zero mosaic spread. For double-crystal diffractometers with ultra-high angular resolution (Shull, Billman & Wedgewood, 1967) and for the extreme energyresolution of neutron back-scattering spectrometers (Birr, Heidemann & Alefeld, 1971) however, the use of perfect crystals is inevitable.…”

Section: Introductionmentioning

confidence: 99%

A perfect-crystal neutron polarizer as an application of magnetic prism refraction

Badurek¹,

Rauch²,

Wilfing³

et al. 1979

J Appl Cryst

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It is demonstrated experimentally that the well known spin‐selective deflection of neutrons transmitted through a static magnetic field region with triangular geometric boundaries combined with the high angular resolution of a non‐dispersive double‐crystal arrangement can be used to polarize a thermal neutron beam to a degree close to unity at reasonably low laboratory fields of 1.0 to 1.5 T.

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Experimental Limit for the Neutron Charge

Cited by 64 publications

References 16 publications

Quantum motion of a neutron in a waveguide in the gravitational field

Quantum motion of a neutron in a waveguide in the gravitational field

Is There an Aharonov-Bohm Effect for Neutrons?

A perfect-crystal neutron polarizer as an application of magnetic prism refraction

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