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Monte Carlo simulations of parasitic and multiple reflections in elastically bent perfect single-crystals
- 1.0365870 - ÚJF 2012 RIV NL eng J - Journal Article
Šaroun, Jan - Kulda, J. - Mikula, Pavol - Vrána, Miroslav
Monte Carlo simulations of parasitic and multiple reflections in elastically bent perfect single-crystals.
Nuclear Instruments & Methods in Physics Research Section A. Roč. 634, č. 1 (2011), S50-S54. ISSN 0168-9002. E-ISSN 1872-9576.
[International Workshop on Neutron Optics. Grenoble, 17.03.2010-19.03.2010]
R&D Projects: GA MPO FR-TI1/378
Institutional research plan: CEZ:AV0Z10480505
Keywords : NEUTRON-DIFFRACTION
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.207, year: 2011
A new model including reflections on multiple diffracting planes has been developed and implemented within the neutron Monte Carlo ray-tracing code of the RESTRAX simulation package to describe the diffraction and transmission properties of elastically bent perfect crystals. The new code provides a quantitative prediction of the intensity of parasitic reflections and of the Renninger effect, both of which can significantly modify the intensity of primary reflections and increase the attenuation of a neutron beam traversing a bent perfect crystal.
Permanent Link: http://hdl.handle.net/11104/0201013
Number of the records: 1