Geant4 Monte Carlo simulations for the LPCTrap setup
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- Rodríguez, D., Ban, G., Durand, D. et al. Eur. Phys. J. A (2009) 42: 397. doi:10.1140/epja/i2009-10733-6
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The LPCTrap setup at GANIL is fully operational since 2006. The first breakthrough was the detection of 100000 coincidences between the \( \beta\) particles and the recoil ions from the decay of 6He+ produced by the SPIRAL source. After preparation, the decaying nuclei are confined in a transparent Paul trap which is surrounded by a \( \beta\) -telescope made of a double-sided silicon strip detector followed by a scintillator, and by a micro-channel plate position-sensitive detector to record in coincidence the \( \beta\) particles and the recoil ions. Simulations of this system are needed in order to study possible systematic effects and extract with high accuracy the \( \beta\) -\( \nu\) angular-correlation coefficient. A code based on Geant4 is well suited for this purpose. In this contribution the results from the simulations compared with those from the experiment will be presented and discussed.