Abstract
The LPCTrap setup is a sensitive tool to measure the β − ν angular correlation coefficient, a βν , which can yield the mixing ratio ρ of a β decay transition. The latter enables the extraction of the Cabibbo-Kobayashi-Maskawa (CKM) matrix element V Vud . In such a measurement, the most relevant observable is the energy distribution of the recoiling daughter nuclei following the nuclear β decay, which is obtained using a time-of-flight technique. In order to maximize the precision, one can reduce the systematic errors through a thorough simulation of the whole set-up, especially with a correct model of the trapped ion cloud. This paper presents such a simulation package and focuses on the ion cloud features; particular attention is therefore paid to realistic descriptions of trapping field dynamics, buffer gas cooling and the N-body space charge effects.
Proceedings of the 6th International Conference on Trapped Charged Particles and Fundamental Physics (TCP 2014), Takamatsu, Japan, 1-5 December 2014
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Fabian, X. et al. (2017). Using GPU parallelization to perform realistic simulations of the LPCTrap experiments. In: Wada, M., Schury, P., Ichikawa, Y. (eds) TCP 2014. Springer, Cham. https://doi.org/10.1007/978-3-319-61588-2_20
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DOI: https://doi.org/10.1007/978-3-319-61588-2_20
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-319-61588-2
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