Magnetic dipole moments isotopes

All elements possessing an isotope with a suitable magnetic dipole moment (about half the elements in the periodic table)... 

CJ3 NMR spectra provide information on the skeleton of organic compounds. The low isotopic abundance (1.1 percent) and the rather small magnetic dipole moment of C13 make the spectra difficult to study with a conventional spectrometer. However, FT NMR (Section 8.3) makes natural-abundance C13 studies relatively easy to do. The availability of FT NMR spectrometers has led to a rapid growth of C13 work. 

In recent months results given in Table 2 have been obtained for magnetic dipole moments of Sb, I and Xe proton rich isotopes at the DOLIS-COLD facility at Daresbury. Examples of the data are given in Fig. 4. The 117Sb result should be compared with the established value of 3.54 nm. 

ISOLDE facility at CERN [EBE85a]. Systematical data on magnetic dipole moments, electric quadrupole moments and isotope shifts were obtained in the mass range A=105 to A=127. The mean square charge-radii, deduced from measured isotope shifts, show clearly onset and disappearance of deformation, if compared to a simple two-parameter formula (see Fig.2). The lat-... 

The evaluation of the magnetic dipole moments from the measured A-factors is generally made through a direct comparison with a stable isotope in which the values of I, p. and A are known. Neglecting the hyperfine anomaly (cf. below), the following relation holds within a given level of an element ... 

A considerable extension of the ABMR measurements in the alkali elements, discussed above, was obtained by the introduction of the atomic-beam laser experiments at ISOLDE. With this method the nuclear quadrupole moments could be reached by studying the hfs of the excited state, as well as the IS in the isotopic sequences studied. A number of nuclear spins and magnetic dipole moments was also added. Of particular importance was the discovery of the Dj optical line in francium which opened the way to hfs and IS measurements in this element. The atomic-beam laser spectroscopy works at ISOLDE on the alkali elements 3,Rb, 55CS and Fr have been presented in Refs. [20-25]. 

The first reports of Zeeman-perturbed bromine NQR, both using single crystals of NaBrQa, confirmed prior measurements of the Br magnetic dipole moment ° and also highlighted the fact that Kriiger s ° Zeeman-perturbed NQR theory was valid for both bromine isotopes. ... 

There are several references where this information has been tabulated and reference to the original work may be found. Nuclear Spins and Moments by G. H. Fuller and V. W. Cohen, Nuclear Data Tables, 5,433 (1969) contains data for all the elements. A later compilation by S. Gerstenkorn, J. Physique, 34, 55 (1973) entitled Nuclear Properties Deduced from the Optical Spectra of the Atoms, Nuclear Moments and Isotope Shift of the Actinide and Rare Earth Series, lists the data through 1973. A report Table of Nuclear Moments by V. S. Shirley and C. M. Lederer, Lawrence Berkeley Laboratory, LBL-3450 (Dec. 1974) is a listing of all the elements. They have made corrections to the magnetic dipole moments based on a revised proton moment and have also corrected for diamagnetic shielding. 

The NMR measurements of the magnetic dipole moments of two high-K isomers in Hf and in Hf by the method of online nuclear orientation and the results on the angular distributions of y transitions in the decay of the Hf isotope were reported. ... 

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