1988
DOI: 10.1016/0168-9002(88)90949-7
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Time-of-flight spectrometry of ultracold neutrons with a thin film ferromagnetic chopper

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Cited by 6 publications
(3 citation statements)
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“…Infiltration gives rise to the anomalous large permeability of weakly captured thin films to UCN. But it necessary to stress, that non potential effects may manifest itself only for the matter with relatively small neutron capture cross section, when 2 !1 << aa (b' > 0) (8) b' k Hence, the physical picture of interaction of the long wavelength neutrons with matter predicted in 12,29 essentially differs from the commonly accepted one. That circumstance became a very actual problem for the experimental testing of the dispersion law for UCN.…”
Section: Characteristics Of the Spectrometermentioning
confidence: 88%
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“…Infiltration gives rise to the anomalous large permeability of weakly captured thin films to UCN. But it necessary to stress, that non potential effects may manifest itself only for the matter with relatively small neutron capture cross section, when 2 !1 << aa (b' > 0) (8) b' k Hence, the physical picture of interaction of the long wavelength neutrons with matter predicted in 12,29 essentially differs from the commonly accepted one. That circumstance became a very actual problem for the experimental testing of the dispersion law for UCN.…”
Section: Characteristics Of the Spectrometermentioning
confidence: 88%
“…That may have happened if the absorption cross-section of the material of the new filters was remarkably greater than that of the others. Then the requirement (8) would not be satisfied and the correction terms would be suppressed. That looks now very unlikely that there was any pollution by high-absorption material but that may be tested by the analysis of filter material.…”
mentioning
confidence: 96%
“…On the observation of resonant tunneling UCN through NIF was reported in papers [36][37][38]. The physical effects that arise as ultracold neutrons pass through a NIF oscillating in space are the subject of the recent work [16] in which main attention is paid to non-stationary effects arising at fast modulation of the wave that passes through an oscillating potential structure.…”
Section: Resonant Tunneling Of Neutrons Through a Double Potential Ba...mentioning
confidence: 99%