NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = C.Morkel Found 3 matches. 2021DO06 Phys.Rev. C 103, 054606 (2021) S.Doge, C.-Y.Liu, A.Young, C.Morkel Incoherent approximation for neutron up-scattering cross sections and its corrections for slow neutrons and low crystal temperatures NUCLEAR REACTIONS 2H(n, n), E=ultracold neutrons (UCN); calculated Placzek-Van Hove corrections for one-phonon scattering σ from solid ortho-deuterium (sD2); deduced incoherent approximation for neutron one-phonon scattering cross sections a factor of 2-5 too high for ultracold neutron (UCN) up-scattering in solid ortho-deuterium. Comparison with other theoretical calculations and with experimental results.
doi: 10.1103/PhysRevC.103.054606
2020DO12 Phys.Rev. C 102, 064607 (2020) S.Doge, J.Hingerl, E.V.Lychagin, C.Morkel Scattering of ultracold neutrons from rough surfaces of metal foils NUCLEAR REACTIONS Al, Cu, Zr(n, n'), E=ultracold neutrons (UCN) and very cold neutrons (VCN); measured transmission of a collimated beam of neutrons through foils of different thicknesses by time-of-flight at the PF2-EDM beamline of the ILL-Grenoble; deduced surface roughness parameters of metal foils. Discussed importance of the use of low-roughness sample containers for accuracy of results in UCN experiments.
doi: 10.1103/PhysRevC.102.064607
2010FR06 Europhys.Lett. 92, 62001 (2010) A.Frei, E.Gutsmiedl, C.Morkel, A.R.Muller, S.Paul, S.Rols, H.Schober, T.Unruh Understanding of ultra-cold-neutron production in solid deuterium NUCLEAR REACTIONS 2H(n, n'), E=thermal; analyzed experimental data; calculated production rates, σ.
doi: 10.1209/0295-5075/92/62001
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