Abstract

A feasibility study of a non–conventional Penning-Malmberg trap is presented. The study is based on simulations performed by the WARP code. [1,2] Comparisons with previous simulations done with the Charged Particle Optics (CPO) programs [3] are presented under homogeneous magnetic field conditions; however, real B fields do not have a significant effect.. The analysis has been carried out on micro-traps of radii ranging from 10 to 100 micrometers and length of 126 mm. Different configurations of the applied electric fields have been considered and an axial uniform magnetic field of 7 T was used in most of the simulations. For the final device, the microtraps should be combined into a multiple parallel tube array. Results from the simulations with the WARP and CPO codes indicate that decreasing the microtrap radius allows an increase in the total number of positrons per macrotrap. This is due to the increased number of micro-tubes when reducing the beam radius.

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