Hyperfine structure of the $2 p {}^{2}P_{\frac{1}{2}}$ state in ${}^{9}{Be}^{+}$

1 April 1985

journal article
research article
Published by American Physical Society (APS) in Physical Review A

Vol. 31 (4) , 2711-2714
https://doi.org/10.1103/physreva.31.2711

Abstract

An optical-optical double resonance technique has been used on beryllium ions stored in a Penning trap to measure the magnetic dipole hyperfine interaction constant

A_{\frac{1}{2}}

of the

2 p {}^{2}P_{\frac{1}{2}}

level in

{}^{9}{Be}^{+}

. The measured value of

A_{\frac{1}{2}} = - 118.6 (3.6)

MHz is in good agreement with theoretical calculations. The

2 p {}^{2}P

fine-structure splitting and the

2 s {}^{2}S_{\frac{1}{2}} \to 2 p {}^{2}P_{\frac{3}{2}, \frac{1}{2}}

optical transition frequencies have also been measured.

Keywords

HYPERFINE STRUCTURE

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Hyperfine structure of the2pP122state inBe+9

Abstract

Keywords

Hyperfine structure of the $2 p {}^{2}P_{\frac{1}{2}}$ state in ${}^{9}{Be}^{+}$