Quadrupole Moment of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Ne</mml:mi></mml:mrow><mml:mrow><mml:mn>21</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>

Grosof, G. M.; Buck, P.; Lichten, William; Rabi, I. I.

doi:10.1103/physrevlett.1.214

Cited by 42 publications

(38 citation statements)

References 3 publications

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“…In addition, the effect of the Breit interaction is remarkable in the 2p 5 3p 2 [3/2] 2 level, while tiny in the 2p 5 3s 2 [3/2] o 2 . For the magnetic dipole hyperfine interaction constants, the present results differ from previous experimental values [6,24] by less than 2% and 3% for the lower and upper levels, respectively. Furthermore, our values of the electric field gradient for 2p 5 3s 2 [3/2] o 2 is in excellent agreement with the results of Sundholm and Olsen [10] using the finite-element multiconfiguration Hartree-Fock method.…”

Section: Computational Modelcontrasting

confidence: 56%

“…The results are displayed in Table 2 as well as other values available [24,8,10,6,25]. Among these, Q values for 21 Ne reported by Grosof et al [24] and Ducas et al [8] were obtained by fitting the measured hyperfine splittings. It can be seen that the corresponding values have relatively large errors due to the approximations made in the fitting procedures.…”

Section: Computational Modelmentioning

confidence: 99%

“…We should point out that the uncertainty in our Q( 23 Ne) value mainly arises from the experimental error in the B factor reported by Geithner et al [6]. [24] 93(10) Ducas et al [8] 102.9(7.5) Sundholm and Olsen [10] 101.55 (75) Geithner et al [6] 145(6) De Rydt et al [25] 142.9(4.3)…”

Section: Computational Modelmentioning

confidence: 99%

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Atomic parameters for the $2{p}^{5}3p\;{}^{2}{[3/2]}_{2}-2{p}^{5}3s\;{}^{2}{[3/2]}_{2}^{o}$ transition of Ne I relevant in nuclear physics

Godefroid

Wang

2016

J. Phys. B: At. Mol. Opt. Phys.

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We calculated the magnetic dipole hyperfine interaction constants and the electric field gradients of 2p 5 3p 2 [3/2] 2 and 2p 5 3s 2 [3/2] o 2 levels of Ne I by using the multiconfiguration Dirac-Hartree-Fock method. The electronic factors contributing to the isotope shifts were also estimated for the λ = 614.5 nm transition connecting these two states. Electron correlation and relativistic effects including the Breit interaction were investigated in details. Combining with recent measurements, we extracted the nuclear quadrupole moment values for 20 Ne and 23 Ne with a smaller uncertainty than the current available data. Isotope shifts in the 2p 5 3p 2 [3/2] 2 − 2p 5 3s 2 [3/2] o 2 transition based on the present calculated field-and mass-shift parameters are in good agreement with the experimental values. However, the field shifts in this transition are two or three orders of magnitude smaller than the mass shifts, making rather difficult to deduce changes in nuclear charge mean square radii. According to our theoretical predictions, we suggest to use instead transitions connecting levels arising from the 2p 5 3s configuration to the ground state, for which the normal mass shift and specific mass shift contributions counteract each other, producing relatively small mass shifts that are only one order of magnitude larger than relatively large field shifts, especially for the 2p 5 3s 2 [1/2] o 1 − 2p 6 1 S 0 transition.

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Section: Computational Modelcontrasting

confidence: 56%

Section: Computational Modelmentioning

confidence: 99%

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Atomic parameters for the $2{p}^{5}3p\;{}^{2}{[3/2]}_{2}-2{p}^{5}3s\;{}^{2}{[3/2]}_{2}^{o}$ transition of Ne I relevant in nuclear physics

Godefroid

Wang

2016

J. Phys. B: At. Mol. Opt. Phys.

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“…For instance, the measured quadrupole moments of the N=ll and Z= 11 ground states of Ne 21 and Na 23 are +(0.093±0.010) and + (0.10±0.011) b, respectively. 23,24 Incidentally, these electric quadrupole moments correspond to values for Qo of +(0.47±0.05) and +(0.51±0.06), respectively. 18 These are, as expected, close to the Qo for Na 22 .…”

Section: B Rotational-model Description Of Na 22mentioning

confidence: 88%

Nuclear Structure ofNa22. IV. Gamma-Ray Correlation Measurements

1968

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“…A typical recording is shown in figure 4. The hyperfine structure of the metastable 3s [3/2] 2 (1s5) level is well-known [6] and we have used it to verify the frequency calibration given by the Fabry-Pérot etalon. Nearly all the components are well separated.…”

mentioning

confidence: 99%

Doppler-free two-photon spectroscopy of neon. I. Fine structure and hyperfine constants for the 4d' subconfiguration

et al. 1977

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Using Doppler-free two-photon spectroscopy, we have measured the fine structure of the 4d' subconfiguration of neon and the hyperfine constants of the four levels of this subconfiguration for the 21 isotope. We describe the expérimental set-up and we point out the interest of putting the experimental cell inside a Fabry-Pérot cavity locked on the laser wavelength. We compare our expérimental results for the hyperfine constants with the theoretical predictions of Liberman. We show that there is a slight disagreement for the two J = 2 levels. This is explained by introducing a non zero spin orbit coupling ξ4d for the external electron

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Quadrupole Moment ofNe21

Cited by 42 publications

References 3 publications

Atomic parameters for the $2{p}^{5}3p\;{}^{2}{[3/2]}_{2}-2{p}^{5}3s\;{}^{2}{[3/2]}_{2}^{o}$ transition of Ne I relevant in nuclear physics

Atomic parameters for the $2{p}^{5}3p\;{}^{2}{[3/2]}_{2}-2{p}^{5}3s\;{}^{2}{[3/2]}_{2}^{o}$ transition of Ne I relevant in nuclear physics

Nuclear Structure ofNa22. IV. Gamma-Ray Correlation Measurements

Doppler-free two-photon spectroscopy of neon. I. Fine structure and hyperfine constants for the 4d' subconfiguration

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