A compact dication source for Ba2+ tagging and heavy metal ion sensor development

We present a tunable metal ion beam that deliverscontrollable ion currents in the picoamp range for testing ofdry-phase ion sensors. Ion beams are formed by sequential atomicevaporation and single or multiple electron impact ionization,followed by acceleration into a sensing region. Controllability...

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Veröffentlicht in:	Journal of instrumentation 2023-07, Vol.18 (7), p.P07044
Hauptverfasser:	Navarro, K.E., Baeza-Rubio, J., Boyd, M., Foss, F.W., Jones, B.J.P., Miller, R.L., Nygren, D.R., Samaniego, F.J., Tiscareno, M.R., Adams, C., Almazán, H., Álvarez, V., Aparicio, B., Aranburu, A.I., Arazi, L., Arnquist, I.J., Ayet, S., Bailey, K., Ballester, F., del Barrio-Torregrosa, M., Bayo, A., Borges, F.I.G.M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J.V., Cebrián, S., Cid, L., Conde, C.A.N., Contreras, T., Dey, E., Díaz, G., Dickel, T., Elorza, M., Escada, J., Esteve, R., Fahs, A., Felkai, R., Fernandes, L.M.P., Ferreira, A.L., Freixa, Z., Generowicz, J., Goldschmidt, A., Gómez-Cadenas, J.J., González, R., Grocott, J., Guenette, R., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C.A.O., Hernando Morata, J.A., Herrero-Gómez, P., Herrero, V., Hervés Carrete, C., Ho, J., Ho, P., Ifergan, Y., Labarga, L., Larizgoitia, L., Lebrun, P., Lopez, F., López-March, N., Mano, R.D.P., Marques, A.P., Martín-Albo, J., Martínez-Lema, G., Martínez-Vara, M., Meziani, Z.E., Mistry, K., Monrabal, F., Monteiro, C.M.B., Mora, F.J., Muñoz Vidal, J., Novella, P., Nuñez, A., Oblak, E., Odriozola-Gimeno, M., Palacio, J., Parmaksiz, I., Pelegrin, J., Pérez Maneiro, M., Querol, M., Redwine, A.B., Rivilla, I., Rodríguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., dos Santos, J.M.F., Simón, A., Sorel, M., Stanford, C., Teixeira, J.M.R., Toledo, J.F., Usón, A., Veloso, J.F.C.A., Waiton, J., White, J.T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Barium Beam Optics Beta decay electron beam (EBIS) Electron beams electron cyclotron resonance (ECR) Electron impact Heavy metals Heavy-ion detectors Ion beams Ion currents Ion identification systems ion sources Ion sources (positive ions, negative ions, electron cyclotron resonance (ECR), electron beam (EBIS)) negative ions OTHER INSTRUMENTATION positive ions
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Beschreibung
Zusammenfassung:	We present a tunable metal ion beam that deliverscontrollable ion currents in the picoamp range for testing ofdry-phase ion sensors. Ion beams are formed by sequential atomicevaporation and single or multiple electron impact ionization,followed by acceleration into a sensing region. Controllability ofthe ionic charge state is achieved through tuning of electrodepotentials that influence the retention time in the ionizationregion. Barium, lead, and cadmium samples have been used to test thesystem, with ion currents identified and quantified using aquadrupole mass analyzer. Realization of a clean Ba2+ ion beam within a bench-top system represents an important technicaladvance toward the development and characterization of bariumtagging systems for neutrinoless double beta decay searches in xenongas. This system also provides a testbed for investigation of novelion sensing methodologies for environmental assay applications, withdication beams of Pb2+ and Cd2+ also demonstrated for thispurpose.
ISSN:	1748-0221 1748-0221
DOI:	10.1088/1748-0221/18/07/P07044