0000000001195051

AUTHOR

Franke B.

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Transmission of ultra-cold neutrons through guides coated with materials of high optical potential

2014

Abstract We have measured the transmission of ultra-cold neutrons (UCN) through tubes coated on the inside with materials of high optical potentials. The best transmission value, T, normalised to 1 m long UCN guides was obtained with a beryllium coated quartz guide, T=(99.0±1.0)%. Furthermore, excellent transmission coefficients were found for (i) a glass tube coated with NiMo(88/12), T=(97.3 ±0.6)%, (ii) a NiMo(85/15) guide made by the replication technique, T=(97.1 ±0.8)% and (iii) a glass guide coated with NiMo(82/18), T=(96.3 ±2.1)%. The results demonstrate that UCN guides made from coated glass tubes have the same excellent transmission properties as those produced with the replication…

PhysicsNuclear and High Energy Physics010308 nuclear & particles physicsAnalytical chemistrychemistry.chemical_elementReplication (microscopy)01 natural sciencesOptical potential3. Good healthTransmission propertiesTransmission (telecommunications)chemistry0103 physical sciencesNeutronBeryllium010306 general physicsInstrumentationQuartzGlass tubeNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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