Experimental determinations of the hyperfine structure in the alkali atoms

Abstract

The measurements of the hyperfine structure of free, naturally occurring, alkali atoms are reviewed. The experimental methods are discussed, as are the relationships between hyperfine structure data and other atomic constants.

XΣ+1andaΣ+Staanum1, Pashov2, Knöckel3 et al. 2007Phys. Rev. A1199592View full textAdd to dashboardCite

“…Calculations similar to those in Ref. [35] show that the observed splitting is well reproduced by the Fermi contact interaction model applying the atomic HFS constants for 7 Li and 133 Cs [36]. In Fig.…”

Electric field induced hyperfine level-crossings in (nD)Cs at two-step laser excitation: Experiment and theory

“…These, in turn, depended on the values of the hyperfine constants A and B, and on the tensor polarizability α 2 . We took the hyperfine constants to be sufficiently well determined (see the review by Arimondo and collaborators [16]) to allow us to use our results to make a new measurement of the tensor polarizabilities of the 9D 3/2 and 7D 3/2 states of cesium. Our results were summarized in Table I and compared with the previous measurements of Fredrikson and Svanberg [9] and of Wessel and Cooper [12], and with the theoretical calculations of α 2 of Wijngaarden and Li [13].…”

“…1 by diagonalizing the hfs and Stark interaction Hamiltonian written in an uncoupled basis [15]. The values for the hfs constant A were taken from the review of Arimondo and collaborators [16], in which the following values were given: A = 7.4(2) MHz for 7D 3/2 as measured in [7], A = 2.35(4) MHz for 9D 3/2 , and A = 1.51(2) MHz for 10D 3/2 as measured in [17,18]. To our knowledge, no other experimental data of hfs constants for these states of Cs were present in literature.…”

Feshbach spectroscopy and analysis of the interaction potentials of ultracold sodium

“…All atomic constants are taken from Ref. [31] except for the atomic mass of sodium, which is obtained from Ref. [32].…”