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Title: Using GPU parallelization to perform realistic simulations of the LPCTrap experiments
Authors: Fabian, X
Mauger, F
Quemener, G
Velten, Philippe
Ban, G
Couratin, C
Delahaye, P
Duran, D
Fabre, B
Finlay, Paul
Flechard, X
Lienard, E
Mery, A
Naviliat-Cuncic, O
Pons, B
Porobic, Tomica
Severijns, Nathal
Thomas, J.C.
Issue Date: 11-Jun-2015
Publisher: Springer
Host Document: Hyperfine Interact pages:1-9
Conference: International Conference on Trapped Charged Particles and Fundamental Physics (TCP 2014) edition:6 location:Takamatsu, Japan date:1-5 December 2014
Abstract: The LPCTrap setup is a sensitive tool to measure the β − ν angular correlation
coefficient, aβν, 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 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.
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Nuclear and Radiation Physics Section

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