منابع مشابه
Hyperfine structure of the Sic radical
The millimeter-wave rotational spectrum of the free 2’?SiC radical in the X 311 ground state, produced in a low-pressure glow discharge through SiH, and CO, was detected with the same reactive-molecule spectrometer used earlier to detect Sic and Si13C. Eleven rotational transitions, all but two with resolved hyperfine structure, were measured between 195 GHz (J = 4+ 5) and 372 GHz (J = 8 --+ 9)...
متن کاملDetermining the antiproton magnetic moment from measurements of the hyperfine structure of antiprotonic helium
Recent progress in the spectroscopy of antiprotonic helium has allowed for measuring the separation between components of the hyperfine structure (HFS) of the (37, 35) metastable states with an accuracy of 300 MHz, equivalent to a relative accuracy of 3.10. The analysis of the uncertainties of the available theoretical results on the antiprotonic helium HFS shows that the accuracy of the value ...
متن کاملNuclear magnetic octupole moment and the hyperfine structure of the 5D3Õ2,5Õ2 states of the Ba+ ion
The hyperfine structure of the long-lived 5D3/2 and 5D5/2 levels of Ba + ion is analyzed. A procedure for extracting relatively unexplored nuclear magnetic moments is presented. The relevant electronic matrix elements are computed in the framework of the ab initio relativistic many-body perturbation theory. Both the firstand the second-order in the hyperfine interaction corrections to the energ...
متن کاملImproved theory of the muonium hyperfine structure.
Terms contributing to the hyperfine structure of the muonium ground state at the level of few tenths of kHz have been evaluated. The α(Zα) radiative correction has been calculated numerically to the precision of 0.02 kHz. Leading ln(Zα) terms of order α(Zα), n = 1, 2, 3, and some relativistic corrections have been evaluated analytically. The theoretical uncertainty is now reduced to 0.17 kHz. A...
متن کاملHyperfine fields and magnetic structure in the B phase of CeCoIn 5
We re-analyze Nuclear Magnetic Resonance (NMR) spectra observed at low temperatures and high magnetic fields in the field-induced B-phase of CeCoIn5. The NMR spectra are consistent with incommensurate antiferromagnetic order of the Ce magnetic moments. However, we find that the spectra of the In(2) sites depend critically on the direction of the ordered moments, the ordering wavevector and the ...
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ژورنال
عنوان ژورنال: Physical Review
سال: 1967
ISSN: 0031-899X
DOI: 10.1103/physrev.157.93