Laser-cooled radioactive francium factory at CYRIC

•Laser-cooled francium factory to search for the electric dipole moment of the electron.•Francium ion beam line was built and tested.•In pilot experiments using rubidium, the neutralization and trapping were achieved. A factory of laser-cooled francium (Fr) atoms is being developed to search for the...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2013-12, Vol.317, p.582-585
Main Authors: Kawamura, Hirokazu, Arikawa, H., Ezure, S., Harada, K., Hayamizu, T., Inoue, T., Ishikawa, T., Itoh, M., Kato, T., Sato, T., Aoki, T., Furukawa, T., Hatakeyama, A., Hatanaka, K., Imai, K., Murakami, T., Nataraj, H.S., Shimizu, Y., Wakasa, T., Yoshida, H.P., Sakemi, Y.
Format: Article
Language:English
Subjects:
Dipole moment
Electric dipoles
Factories
Francium
Industrial plants
Laser cooling and trapping
Pilots
Rubidium
Symmetry violation
Transport
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Summary:•Laser-cooled francium factory to search for the electric dipole moment of the electron.•Francium ion beam line was built and tested.•In pilot experiments using rubidium, the neutralization and trapping were achieved. A factory of laser-cooled francium (Fr) atoms is being developed to search for the electric dipole moment (EDM) of the electron. The factory has achieved the production of Fr ions of 9×105particles/s and transport with a transmission efficiency of 2%. In pilot experiments, the magneto-optical trapping of rubidium (Rb) has been performed using a new ion-to-atom converter. To achieve the Fr trap, the development and design of each of the factory’s components are in progress.
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2013.07.038