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An approximate solution of the equations of motion of Dirac's classical theory f pointlike particles is obtained for a particle in the field of a plane wave, under the assumption that the radiation reaction terms in these equations can be considered as small. The appearance of runaway terms in...
The theoretical formulas for d 5 s are compared with the experimental data of Fe III. The mean deviation between theory and experiment is found to be ±852 cm - 1 . We compared the values of the parameters B and G 2 which are required to give correctly the observed separations between certain...
Precise frequency measurements on rotational transitions occurring in the wavelength range from 2 to 3 mm for a number of molecules have been made. From these, centrifugal stretching effects have been determined and accurate values of the rotational constants obtained. A table including all...
Cross-section curves have been measured as functions of photon energy for the reactions Al 27 ( γ , n ) Al 26 , Mg 24 ( γ , n ) Mg 23 , Mg 25 ( γ , p ) Na 24 , and Mg 26 ( γ , p ) Na 25 . These curves exhibit the peaked shape characteristic of photonuclear reactions, the maximum cross...
Four methods for nuclear polarization and alignment are discussed and compared. In particular, a general theorem regarding the leading term in the expression for nuclear polarization by hfs coupling with external field is obtained. A general method is derived for treating the computation of...
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