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Titlebook: Isotope Shifts in Atomic Spectra; W. H. King Book 1984 Springer Science+Business Media New York 1984 X-ray.atoms.experiment.isotope.laser.

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發(fā)表于 2025-3-21 18:27:14 | 只看該作者 |倒序瀏覽 |閱讀模式
書目名稱Isotope Shifts in Atomic Spectra
編輯W. H. King
視頻videohttp://file.papertrans.cn/476/475784/475784.mp4
叢書名稱Physics of Atoms and Molecules
圖書封面Titlebook: Isotope Shifts in Atomic Spectra;  W. H. King Book 1984 Springer Science+Business Media New York 1984 X-ray.atoms.experiment.isotope.laser.
描述Atomic and nuclear physics are two flourishing but distinct branches of physics; the subject of isotope shifts in atomic spectra is one of the few that links these two branches. It is a subject that has been studied for well over fifty years, but interest in the subject, far from flagging, has been stimulated in recent years. Fast computers have enabled theoreticians to evaluate the properties of many-electron atoms, and laser spectroscopy has made it possible to measure isotope shifts in the previously unmeasurable areas of very rare isotopes, short-lived radioactive isotopes, weak transitions, and transitions involving high-lying atomic levels. Isotope shifts can now be measured with greater accuracy than before in both optical transitions and x-ray transitions of muonic atoms; this improved accuracy is revealing new facets of the subject. I am very grateful to Dr. H. G. Kuhn, F. R. S. , for having introduced me to the subject in the 1950s, and for supervising my efforts to measure isotope shifts in the spectrum of ruthenium. I thus approach the subject as an experimental atomic spectroscopist. This bias is obviously apparent in my use of the spectroscopist‘s notation of lower-up
出版日期Book 1984
關鍵詞X-ray; atoms; experiment; isotope; laser; nuclear physics; physics; spectra; spectroscopy
版次1
doihttps://doi.org/10.1007/978-1-4899-1786-7
isbn_softcover978-1-4899-1788-1
isbn_ebook978-1-4899-1786-7
copyrightSpringer Science+Business Media New York 1984
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A Short History of the Subject,visible light of wavelength 500 nm or 5000 ? (Angstrom) this is 3 × 10. Hz in 6 × 10. Hz, or in terms of wavelength, a typical shift is 2.5 pm or 0.025 ?. Such small shifts could not be observed before the advent of interferometric methods into spectroscopy. The first person to use such a method was
地板
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Introduction to the Theory of Mass Shifts in Optical Spectra,. interacting with a point nucleus of mass . via their mutual electrostatic attraction. In classical mechanics the two particles can be treated as one particle with a reduced mass ./(. + .) interacting with an infinitely massive particle at rest.
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發(fā)表于 2025-3-22 11:38:21 | 只看該作者
Introduction to the Theory of Field Shifts in Optical Spectra,not be studied, but the nuclear charge distribution can. The nuclear charge distribution can also be studied by scattering electrons off nuclei elastically. Since the first scattering experiments of Lyman .. (1951) the size of the charge distribution of many nuclei have been found. It has been found
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發(fā)表于 2025-3-22 16:37:12 | 只看該作者
Isotope Shifts in X-Ray Spectra,ompared with optical transitions, the interpretation of shifts in x-ray transitions is simpler but unfortunately their measurement with precision is not. In practice, the only x-ray transitions in which shifts can be usefully measured are the . lines, and the one invariably studied is the .α. line (
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發(fā)表于 2025-3-22 20:40:56 | 只看該作者
Related Techniques for the Determination of Nuclear Structure,gives information about nuclear charge distributions. Isotope shifts can, in principle, give values of the change between isotopes in the mean square radius of the nuclear charge distribution, .〈..〉, but sometimes in practice they give only relative values between different isotope pairs. In such ca
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