https://www.chemeurope.com/en/encyclopedia/Penning_trap.html
Penning_trap
Penning trap Antimatter Overview Annihilation Devices Particle accelerator Penning trap Antiparticles Positron Antiproton Antineutron Uses PET Fuel Weaponry
penning trap
https://pos.sissa.it/431/048/
PoS - Implications of a matter-antimatter mass asymmetry in Penning-trap experiments
of apenning trapposimplicationsmatter
https://su.diva-portal.org/smash/record.jsf?pid=diva2%3A1844542
Measurements of Penning-Malmberg trap patch potentials and associated performance degradation
measurementspenningmalmbergtrappatch