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Dissociative recombination of rotationally cold ArH
Ábel Kálosi, Manfred Grieser, Leonard W. Isberner +11
We have experimentally studied dissociative recombination (DR) of electronically and vibrationally relaxed ArH in its lowest rotational levels, using an electron--ion merged-be…
Frequency Ratio Measurements with 18-digit Accuracy Using a Network of Optical Clocks
Boulder Atomic Clock Optical Network, Collaboration, : +35
Atomic clocks occupy a unique position in measurement science, exhibiting higher accuracy than any other measurement standard and underpinning six out of seven base units in the SI…
Spontaneous creation and persistence of ground-state coherence in a resonantly driven intra-cavity atomic ensemble
D. G. Norris, A. D. Cimmarusti, L. A. Orozco +2
The spontaneous creation and persistence of ground-state coherence in an ensemble of intracavity Rb atoms has been observed as a quantum beat. Our system realizes a quantum eraser,…
Comparison of hyperfine anomalies in the 5S_{1/2} and 6S_{1/2} levels of ^{85}Rb and ^{87}Rb
A. Perez Galvan, Y. Zhao, L. A. Orozco +4
We observe a hyperfine anomaly in the measurement of the hyperfine splitting of the 6S_{1/2} excited level in rubidium. We perform two step spectroscopy using the 5S_{1/2}->5P_{1/2…
Lifetime Measurement of the 6s Level of Rubidium
E. Gomez, F. Baumer, A. D. Lange +2
We present a lifetime measurements of the 6s level of rubidium. We use a time-correlated single-photon counting technique on two different samples of rubidium atoms. A vapor cell w…
Lifetime Measurement of the 8s Level in Francium
E. Gomez, L. A. Orozco, A. Perez Galvan +1
We measure the lifetime of the 8s level on a magneto-optically trapped sample of ^{210}Fr atoms with time-correlated single-photon counting. The 7P_{1/2} state serves as the resona…
Measurement method for the nuclear anapole moment of laser trapped alkali atoms
E. Gomez, S. Aubin, G. D. Sprouse +2
Weak interactions within a nucleus generate a nuclear spin dependent parity violating electromagnetic moment; the anapole moment. In heavy nuclei, the anapole moment is the dominan…