Isotope-shift measurements inCa+

Ab initioestimations of the isotope shift for the first three elements of the K isoelectronic sequence

“…Our results show little disagreement with the measurements of Maleki and Goble [40] using a Fabry-Pérot interferometer and Mårtensson-Pendrill et al [41] using fast-ion beam collinear laser spectroscopy; discrepancies are around 6% and 7%, respectively. But we get very good agreement with the latest experiment by Kurth et al (discrepancies of ∼ 0.4% for D 1 and 1.7% for D 2 ) using "dark resonance" generated between ground and excited states [42].…”

“…For all three species, the NMS contribution is maximum, and it decreases with the increasing nuclear mass, but no such regular trend has been observed for the FS and SMS. In Table III, the most stable isotope of potassium 39 K is taken as a reference, and the shifts with 38,40,41,42,43 K are estimated. Our calculated total IS values are in good agreement (∼ 0.6% for the D 1 line and ∼ 0.5% for the D 2 line) with the experiments by Touchard et al [37], Bendali et al [38], and Falke et al [39] for K 41,39 transitions.…”

“…The maximum discrepancies around 3.7% and 5% arise for the D 1 and D 2 lines, respectively, for the transition K 40,39 . Safronova and Johnson performed the calculations of the IS for K 40,39 using the MBPT method up to a third-order correlation correction [11]. Berengut et al performed SCF-Hartree-Fock calculations along with a few orders of correlation [10].…”

“…In Table IV, we present the IS results referred to the isotope 40 Ca along with the experimental results for comparison. Our results show little disagreement with the measurements of Maleki and Goble [40] using a Fabry-Pérot interferometer and Mårtensson-Pendrill et al [41] using fast-ion beam collinear laser spectroscopy; discrepancies are around 6% and 7%, respectively.…”

Isotope shifts of the4s2S01→4s5pP1Mortensen1, Lindballe2, Jensen3 et al. 2004Phys. Rev. A510350View full textAdd to dashboardCite

“…[4,5,6] and references therein) and in singly charged Ca + ions [7,8,9], the 4s 2 1 S 0 → 4s5p 1 P 1 transition considered in the present paper has hitherto not been measured. In contrast to previous experiments, the present measurements use ion Coulomb crystals as means to obtain the spectroscopic data.…”