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Award ID contains: 2111046

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  1. ; ; ; ; ; ; ; ; ; ( , The European Physical Journal A)
    Abstract

    The fluoropolymer CYTOP was investigated in order to evaluate its suitability as a coating material for ultracold neutron (UCN) storage vessels. Using neutron reflectometry on CYTOP-coated silicon wafers, its neutron optical potential was measured to be 115.2(2) neV. UCN storage measurements were carried out in a 3.8 l CYTOP-coated aluminum bottle, in which the storage time constant was found to increase from 311(9) s at room temperature to 564(7) s slightly above 10 K. By combining experimental storage data with simulations of the UCN source, the neutron loss factor of CYTOP is estimated to decrease from 1.1(1)$$\times 10^{-4}$$×10-4to 2.7(2)$$\times 10^{-5}$$×10-5at these temperatures, respectively. These results are of particular importance to the next-generation superthermal UCN source SuperSUN, currently under construction at the Institut Laue-Langevin, for which CYTOP is a possible top-surface coating in the UCN production volume.

     
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  2. ; ; ; ; ; ; ; ; ; ; et al ( , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment)
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  3. ; ; ; ; ; ; ; ; ; ; et al ( , Physical Review D)
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  4. ; ; ; ( , Physical Review D)
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  5. ; ; ; ; ; ; ; ; ; ; et al ( , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment)
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  6. ; ; ; ; ; ; ; ; ; ; et al ( , Physics Letters B)
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  7. ; ; ; ; ; ; ; ; ; ; et al ( , Physical Review C)
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  8. ; ; ; ; ; ; ; ; ; ; et al ( , Physical Review C)
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  9. ; ; ; ; ; ; ; ; ; ; et al ( , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment)
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  10. ; ; ; ; ; ; ; ; ; ; et al ( , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment)
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