An effective, long-lasting, low-energy source of negatively charged ions was designed, constructed, and tested. The source uses electron dissociative attachment in electron-molecule collisions to form a set of anions inside a linear Paul trap. Iodine I2 molecules were used to obtain pure sets of I− anions. The system was tested, providing about 105 ions produced in less than a minute, which can be stored in the trap and used in further experiments.
Production of negatively charged atomic ions inside a linear Paul trap for the formation of antiprotonic atoms / Kłosowski, Ł., Piwiński, M., Linek, A., Grosbart, M., Ciuryło, R., Zawada, M., Teske, M., Sowiński, T., Campos, S.A., Auzins, M., Bhanushali, D., Bhartia, A., Berghold, M., Brusa, R.S., Calik, K., Camper, A., Caravita, R., Castelli, F., Cerchiari, G., Chandran, S., et al.. - In: RADIATION PHYSICS AND CHEMISTRY. - ISSN 0969-806X. - 245:(2026), pp. 113884-113884. [10.1016/j.radphyschem.2026.113884]
Production of negatively charged atomic ions inside a linear Paul trap for the formation of antiprotonic atoms
Brusa, R. S.;Caravita, R.;Chehaimi, A.;Ferguson, R.;Guatieri, F.;Mariazzi, S.;Penasa, L.;
2026-01-01
Abstract
An effective, long-lasting, low-energy source of negatively charged ions was designed, constructed, and tested. The source uses electron dissociative attachment in electron-molecule collisions to form a set of anions inside a linear Paul trap. Iodine I2 molecules were used to obtain pure sets of I− anions. The system was tested, providing about 105 ions produced in less than a minute, which can be stored in the trap and used in further experiments.| File | Dimensione | Formato | |
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