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A GEANT4 Monte-Carlo simulation code for precision beta spectroscopy
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SYSNO ASEP 0338847 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title A GEANT4 Monte-Carlo simulation code for precision beta spectroscopy Author(s) Wauters, F. (BE)
Kraev, I. (BE)
Zákoucký, Dalibor (UJF-V) RID, SAI, ORCID
Beck, M. (BE)
Golovko, V. V. (BE)
Kozlov, V. Yu. (BE)
Phalet, T. (BE)
Tandecki, M. (BE)
Traykov, E. (BE)
Van Gorp, S. (BE)
Severijns, N. (BE)Number of authors 11 Source Title Nuclear Instruments & Methods in Physics Research Section A. - : Elsevier - ISSN 0168-9002
Roč. 609, 2-3 (2009), s. 156-164Number of pages 9 s. Language eng - English Country NL - Netherlands Keywords beta decay ; nuclei ; electrons Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders CEZ AV0Z10480505 - UJF-V (2005-2011) UT WOS 000271548200012 Annotation The measurement of the beta asymmetry parameter in nuclear beta decay is a potentially very sensitive tool to search for non V-A components in the charge-changing weak interaction. To reach the required precision (percent level) all effects that modify the emission pattern of the beta radiation, i.e. the geometry of the setup, the effect of the magnetic field on the trajectories of beta particles as well as (back)scattering in the source, on the sample holder and on the detector, have to be correctly taken into account in the analysis of the data. A thorough study of these effects and a new method based on detailed GEANT4 Monte-Carlo simulations that was developed for this purpose is presented here. The code was developed for beta asymmetry measurements by means of the Low Temperature Nuclear Orientation (LTNO) method, but can in principle be generalized to other experimental setups using other polarization techniques. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2010
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