Production and trapping of francium atoms

Year: 2004

Authors: Atutov S.N., Biancalana V., Burchianti A., Calabrese R., Corradi L., Dainelli A., Guidi V., Khanbekyan A., Mai B., Marinelli C., Mariotti E., Moi L., Sanguinetti S., Stancari G., Tomassetti L., Veronesi S.

Autors Affiliation: University of Ferrara, INFN, Via Paradiso 12, 44100 Ferrara, Italy; University of Siena, INFM, Via Roma 56, 53100 Siena, Italy; Laboratori Nazionali di Legnaro, Viale dell\’Università 2, 35020 Legnaro PD, Italy; Institute of Automation/Electrometry, Novosibirsk 90, Russian Federation

Abstract: A new facility has been constructed at the INFN Legnaro National Laboratory (LNL) for the production of francium isotopes via a fusion-evaporation nuclear reaction and a laser laboratory has been set up for francium trapping. Francium is produced inside a gold target and after diffusion desorbs from its surface as an ion. A secondary beam line delivers the francium ions to the trapping cell where they are neutralized and trapped in a magneto-optical trap (MOT). Details on the production, delivery and neutralization methods are presented. Preliminary results on trapped francium are also shown. Production rate of ? 106 ions/s and a trap population of about 100 atoms have been achieved.

Journal/Review: NUCLEAR PHYSICS. A (PRINT)

Volume: 746 (1-4 SPEC.ISS.)      Pages from: 421  to: 424

More Information: Erzincan Üniversitesi, EU, HPRI-CT-2001-50034. Instituto Nazionale di Fisica Nucleare, INFN. Ministero dell’Istruzione, dell’Università e della Ricerca, MIUR. – The experiment has been funded by INFN, INFM, MIUR, and the EU under contract HPRI-CT-2001-50034.
KeyWords: Parity violation; Magnetooptical trap; Radioactive atoms
DOI: 10.1016/j.nuclphysa.2004.09.114

Citations: 10
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