Download or read book Isotope Shifts in Atomic Spectra written by W.H. King and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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-upper for a transition, rather than the nuclear physicist's upper-lower. My reasons are given in Section 1. 3 and I hope that nuclear physicists will forgive me for using this notation even for muonic x-ray transitions.
Download or read book Isotope Shift and Hyperfine Structure in Atomic Spectra written by S. A. Ramsden and published by . This book was released on 1956 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Study of Isotope Shifts and Hyperfine Structure in the Atomic Spectrum of Ruthenium written by W. H. King and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Isotope Shift in the Atomic Spectrum of Carbon written by Clyde R. Burnett and published by . This book was released on 1951 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Atomic Spectra written by W. R. Hindmarsh and published by Elsevier. This book was released on 2013-10-22 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomic Spectra compiles papers on the highlighted developments in the atomic spectra. This book discusses regularities in spectra emitted by monatomic gases that lead to an understanding of the structure of atoms and discovery of the principles that govern the behavior of matter on the atomic scale. This compilation includes Rydberg's famous account of the series of spectral lines; Weisskopf and Wigner’s papers on natural line-width; and Bethe’s study on the Lamb shift of energy levels. Papers dealing with the spectra of atoms with more than two electrons in the valence shell and continuous spectra of atoms are not included. This publication is useful to students intending to gain knowledge on the atomic spectra.
Download or read book Isotope Shift in the Atomic Spectrum of Nitrogen written by John Richard Holmes and published by . This book was released on 1942 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Investigations of Hyperfine Structures and Isotope Shifts in Alkali and Alkaline earth Atoms Using Laser Spectroscopy Methods written by Peter Grundevik and published by . This book was released on 1982 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Progress in Atomic Spectroscopy written by H.J. Beyer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: H. J. BEYER AND H. KLEINPOPPEN We are pleased to present Part D of Progress in Atomic Spectroscopy to the scientific community active in this field of research. When we invited authors to contribute articles to Part C to be dedicated to Wilhelm Hanle, we received a sufficiently enthusiastic response that we could embark on two further volumes and thus approach the initial goal (set when Parts A and B were in the planning stage) of an almost comprehensive survey of the current state of atomic spectroscopy. As mentioned in the introduction to Parts A and B, new experimental methods have enriched and advanced the field of atomic spectroscopy to such a degree that it serves not only as a source of atomic structure data but also as a test ground for fundamental atomic theories based upon the framework of quantum mechanics and quantum electrodynamics. However, modern laser and photon correlation techniques have also been applied successfully to probe beyond the "traditional" quantum mechanical and quantum electrodynamical theories into nuclear structure theories, electro weak theories, and the growing field of local realistic theories versus quan tum theories. It is obvious from the contents of this volume and by no means surprising that applications of laser radiation again played a decisive role in the development of new and high-precision spectroscopic techniques.
Download or read book Atomic Spectra written by Heinrich Gerhard Kuhn and published by . This book was released on 1962 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Isotope Shift and Hyperfine Structure Measurements on Silver Actinium and Astatine by In source Resonant Ionization Laser Spectroscopy written by Andrea Teigelhöfer and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Resonant ionization laser ion sources are applied worldwide to increase purity and intensity of rare isotopes at radioactive ion beam facilities. Especially for heavy elements the laser wavelengths required for efficient resonant laser ionization are not only element dependent, but also vary to small degrees from isotope to isotope. Since the first operation of an actinide target at ISAC-TRIUMF in 2008, the demand for neutron-rich isotopes far away from stability has steadily increased. Those isotopes often have very low production rates so that often only a few ions per second are released. In order to study isotope shifts and hyperfine structure of silver, actinium and astatine, in-source resonant ionization spectroscopy in combination with radioactive decay detection has been applied. Despite the Doppler limited resolution, it has the advantage that it is ultra-sensitive and the atomic spectrum for the nuclear ground and isomeric states can be investigated individually. An isobaric separation has been demonstrated for 115-119Ag, where the hyperfine structure of one state showed a splitting of 22 GHz to 38 GHz while for the other state only a single peak spectrum can be resolved. For astatine and actinium, the main interest is to measure and study the optical isotope shift, which is for the first excitation step for neutron-rich isotopes in the order of IS_FES≈±3.7GHz/u for both elements, as these observables give insight into nuclear moments and shape. In addition, also the isotope shift of the second excitation step for astatine has been measured to IS_SES,At≈-1.7GHz/u. Laser spectroscopy on astatine has mainly been performed on the neutron-deficient isotopes 199,205At due to high count rates and low isobaric contamination. With the results obtained it is possible to extrapolate the required wavelength for ionizing and delivering the isotopes 221-225At which are of interest to e.g. electric dipole moment studies.
Download or read book The Isotope Shift in the First Spectrum of Atomic Lithium written by Raymond Hargett Hughes and published by . This book was released on 1954 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Investigation of Short Lived Isotopes by Laser Spectroscopy written by Ernest W. Otten and published by CRC Press. This book was released on 1989-01-31 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser-spectroscopic methods can be applied to the systematic investigation of radioactive isotopes, covering up to 30 isotopes per element (500 nuclides in total). This book shows how the high resolution and sensitivity of laser spectroscopic methods can be used in experiments on the hyperfine structure and isotope shift of the atomic spectrum or applied to the more general problem of trace analysis. It examines the most popular methods in the field including laser spectroscopy on fast beams and resonance ionization spectroscopy, all of which have a number of variants. Techniques of production and the separation of unstable isotopes are described, along with the physics and processes of numerous laser spectroscopic methods. Also included is a summary of the results of experiments carried out on the systematics of nuclear structure in exotic regions of the nuclear chart.
Download or read book Isotope Shift and Hyperfine Structure in the Spectrum of Osmium written by Arthella P. Hines and published by . This book was released on 1962 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Atomic Spectroscopy written by Anatoli V. Andreev and published by Springer Science & Business Media. This book was released on 2006-03-20 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomic Spectroscopy provides a comprehensive discussion on the general approach to the theory of atomic spectra, based on the use of the Lagrangian canonical formalism. This approach is developed and applied to explain the hydrogenic hyperfine structure associated with the nucleus motion, its finite mass, and spin. The non-relativistic or relativistic, spin or spin-free particle approximations can be used as a starting point of general approach. The special attention is paid to the theory of Lamb shift formation. The formulae for hydrogenic spectrum including the account of Lamb shift are written in simple analytical form. The book is of interest to specialists, graduate and postgraduate students, who are involved into the experimental and theoretical research in the field of modern atomic spectroscopy.
Download or read book Nuclear Moments written by H. Kopferman and published by Academic Press. This book was released on 2013-10-22 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear Moments focuses on the processes, methodologies, reactions, and transformations of molecules and atoms, including magnetic resonance and nuclear moments. The book first offers information on nuclear moments in free atoms and molecules, including theoretical foundations of hyperfine structure, isotope shift, spectra of diatomic molecules, and vector model of molecules. The manuscript then takes a look at nuclear moments in liquids and crystals. Discussions focus on nuclear paramagnetic and magnetic resonance and nuclear quadrupole resonance. The text discusses nuclear moments and nuclear models, as well as simple conclusions from experimental data and graphical representations of nuclear models and moments. An explanation of symbols used in the manuscript is also presented. The book is a dependable reference for readers interested in the study of nuclear moments.
Download or read book Investigations of hyperfine structures and isotope shifts in al written by Peter Grundevik and published by . This book was released on 1982 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hyperfine Structure in Line Spectra and Nuclear Spin written by Samuel Tolansky and published by . This book was released on 1953 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
