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High-Precision Measurement of the Laser-Trapping Frequencies for $^{209,210,211}$Fr Atoms by Sanguinetti, S.; Calabrese, R.; Corradi, L.; Dainelli, A.; Khanbekyan, A.; Mariotti, E.; de Mauro, C.; Minguzzi, P.; Moi, L.; Stancari, G.; Tomassetti, L.; Veronesi, S. is a scholarly article available to read on EtoBox.

What is High-Precision Measurement of the Laser-Trapping Frequencies for $^{209,210,211}$Fr Atoms about?

We present the accurate measurement of the frequency of the $7S-7P$ laser-trapping transition for three francium isotopes. Our approach is based on an interferometric comparison to deduce the unknown laser frequency from a secondary laser frequency-standard. After careful investigation of systematics, with samples of about 100 atoms the final accuracy reaches 8 MHz, an order of magnitude better than the best previous measurement for $^{210}$Fr, and opens the way to improved tests of the theoretical computation of Fr atomic structure.

Author

Sanguinetti, S.; Calabrese, R.; Corradi, L.; Dainelli, A.; Khanbekyan, A.; Mariotti, E.; de Mauro, C.; Minguzzi, P.; Moi, L.; Stancari, G.; Tomassetti, L.; Veronesi, S.

Published

2008

Language

EN