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 Title: MICROWAVE SPECTROSCOPY OF THE CALCIUM 4snf_4s(n+1)d, 4sng, 4snh, 4sni, AND 4snk TRANSITIONS Author(s): Nunkaew, Jirakan Contributor(s): Gallagher, Tom Subject(s): Rydberg Atoms and Molecules Abstract: We use a delayed field ionization technique to observe the microwave transitions of calcium Rydberg states, from the $4snf$ states to the $4s(n+1)d$, $4sng$, $4snh$, $4sni$, and $4snk$ states for $18leq nleq23$. We analyze the observed intervals between the $ell$ and $(ell+1)$, $ellge5$, states of the same $n$ to determine the Ca$^+$ $4s$ dipole and quadrupole polarizabilities. We show that the adiabatic core polarization model is not adequate to extract the Ca$^+$ $4s$ dipole and quadrupole polarizabilities and a non adiabatic treatment is required. We use the non adiabatic core polarization model to determine the ionic dipole and quadrupole polarizabilities to be $alpha_d=76.9(3);a_0^3$ and $alpha_q=206(9);a_0^5$, respectively. Issue Date: 23-Jun-15 Publisher: International Symposium on Molecular Spectroscopy Citation Info: ACS Genre: CONFERENCE PAPER/PRESENTATION Type: Text Language: English URI: http://hdl.handle.net/2142/79327 Date Available in IDEALS: 2016-01-05
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