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Isotope Shift In The Spectrum Of Neutral Lead
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Book Synopsis Isotope Shift in the Spectrum of Neutral Lead by : Thurston E. Manning
Download or read book Isotope Shift in the Spectrum of Neutral Lead written by Thurston E. Manning and published by . This book was released on 1950 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Isotope Shifts in Atomic Spectra by : W.H. King
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.
Book Synopsis Isotopes by : U.S. Atomic Energy Commission
Download or read book Isotopes written by U.S. Atomic Energy Commission and published by . This book was released on 1952 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a technical report and as such will prove a primary interest to those concerned with the technical aspects of isotope utilization.
Book Synopsis Eight-year isotope summary by : U.S. Atomic Energy Commission
Download or read book Eight-year isotope summary written by U.S. Atomic Energy Commission and published by . This book was released on 1955 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Reference Material, United States Atomic Energy Program: Eight-year isotope summary by : U.S. Atomic Energy Commission
Download or read book Selected Reference Material, United States Atomic Energy Program: Eight-year isotope summary written by U.S. Atomic Energy Commission and published by . This book was released on 1955 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1974 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Fifteen-year Summary of Publications Involving the Uses of Electromagnetically Enriched Stable Isotopes by : P. S. Baker
Download or read book A Fifteen-year Summary of Publications Involving the Uses of Electromagnetically Enriched Stable Isotopes written by P. S. Baker and published by . This book was released on 1963 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Specific Isotope Effect in the Hyperfine Spectrum of the Lead Atom by : Beryl Herbert Dickinson
Download or read book The Specific Isotope Effect in the Hyperfine Spectrum of the Lead Atom written by Beryl Herbert Dickinson and published by . This book was released on 1934 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Isotopes written by and published by . This book was released on 1946 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Isotope Shift Spectroscopy of Ions in Cryogenically Cooled Neutral Plasmas by : Nishant Bhatt
Download or read book Isotope Shift Spectroscopy of Ions in Cryogenically Cooled Neutral Plasmas written by Nishant Bhatt and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes precision measurements of isotope shifts of Nd$^+$ ions using a novel cryogenic ion source. Isotope shift measurements are useful in searching for a hypothetical light boson that couples with electrons and neutrons, and which could be the long-sought-after dark matter particle. Isotope shifts of two transitions of the same element, scaled by a mass-dependent factor, can be plotted against each other to make a King plot. The nonlinearity of such a King plot can be used to constrain the mass of the new physics boson and its coupling strength to electrons and neutrons (denoted as $y_ey_n$). In this experiment, we take advantage of five stable spin-zero isotopes of neodymium to measure the isotope shifts of two optical transitions in Nd$^+$ with MHz-level accuracy. The experiment employs the cryogenic ion source, which is designed to produce cold and dense neutral plasmas by laser ablation of metal targets, followed by cryogenic buffer gas cooling. In this ion source, large ion densities ($\gtrsim 10^9$ cm$^{-3}$) can be obtained at temperatures as low as \SI{6}{\K}. The lasers used for the isotope shift measurements were stabilized using a novel transfer interferometer laser stabilization method, which is a simple and robust way to stabilize multiple lasers with different frequencies. The King plot analysis of the Nd$^+$ isotope shift measurements constrains $y_ey_n\lesssim \num{1.4e-9}$, which is comparable to the constraints placed by state-of-the-art isotope shift measurements on other atomic ions. We also discuss the prospects for further improvements to the accuracy of Nd$^+$ isotope shifts using telecom-band optical clock transitions identified in this thesis, which could probe for new physics bosons with $y_ey_n$ as low as $\num{e-15}$, and lead to extremely precise tests of physics beyond the standard model.
Book Synopsis The Spectroscopic Isotope Shift in Singly Ionized Lead by : Felix Eugene Geiger
Download or read book The Spectroscopic Isotope Shift in Singly Ionized Lead written by Felix Eugene Geiger and published by . This book was released on 1950 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis United States Government Publications Monthly Catalog by :
Download or read book United States Government Publications Monthly Catalog written by and published by . This book was released on 1950 with total page 1596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalogue of Publications Issued by the Government of the United States by : United States. Superintendent of Documents
Download or read book Catalogue of Publications Issued by the Government of the United States written by United States. Superintendent of Documents and published by . This book was released on 1950 with total page 1338 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Download or read book ORNL written by and published by . This book was released on 19?? with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1953 with total page 1872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Current challenges in photosynthesis: From natural to artificial by : Harvey J.M. Hou
Download or read book Current challenges in photosynthesis: From natural to artificial written by Harvey J.M. Hou and published by Frontiers E-books. This book was released on 2014-10-03 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: Jules Verne (1828-1905), author of Around the World in Eighty Days (1873) and Journey to the Center of the Earth (1864), wrote in 1875 “I believe that water will one day be used as a fuel, because the hydrogen and oxygen which constitute it, used separately or together, will furnish an inexhaustible source of heat and light. I therefore believe that, when coal (oil) deposits are oxidised, we will heat ourselves by means of water. Water is the fuel of the future” Solar energy is the only renewable energy source that has sufficient capacity for the global energy need; it is the only one that can address the issues of energy crisis and global climate change. A vast amount of solar energy is harvested and stored via photosynthesis in plants, algae, and cyanobacteria since over 3 billion years. Today, it is estimated that photosynthesis produces more than 100 billion tons of dry biomass annually, which would be equivalent to a hundred times the weight of the total human population on our planet at the present time, and equal to a global energy storage rate of about 100 TW. The solar power is the most abundant source of renewable energy, and oxygenic photosynthesis uses this energy to power the planet using the amazing reaction of water splitting. During water splitting, driven ultimately by sunlight, oxygen is released into the atmosphere, and this, along with food production by photosynthesis, supports life on our earth. The other product of water oxidation is “hydrogen” (proton and electron). This ‘hydrogen’ is not normally released into the atmosphere as hydrogen gas but combined with carbon dioxide to make high energy containing organic molecules. When we burn fuels we combine these organic molecules with oxygen. The design of new solar energy systems must adhere to the same principle as that of natural photosynthesis. For us to manipulate it to our benefit, it is imperative that we completely understand the basic processes of natural photosynthesis, and chemical conversion, such as light harvesting, excitation energy transfer, electron transfer, ion transport, and carbon fixation. Equally important, we must exploit application of this knowledge to the development of fully synthetic and/or hybrid devices. Understanding of photosynthetic reactions is not only a satisfying intellectual pursuit, but it is important for improving agricultural yields and for developing new solar technologies. Today, we have considerable knowledge of the working of photosynthesis and its photosystems, including the water oxidation reaction. Recent advances towards the understanding of the structure and the mechanism of the natural photosynthetic systems are being made at the molecular level. To mimic natural photosynthesis, inorganic chemists, organic chemists, electrochemists, material scientists, biochemists, biophysicists, and plant biologists must work together and only then significant progress in harnessing energy via “artificial photosynthesis” will be possible. This Research Topic provides recent advances of our understanding of photosynthesis, gives to our readers recent information on photosynthesis research, and summarizes the characteristics of the natural system from the standpoint of what we could learn from it to produce an efficient artificial system, i.e., from the natural to the artificial. This topic is intended to include exciting breakthroughs, possible limitations, and open questions in the frontiers in photosynthesis research.
Download or read book NBS Special Publication written by and published by . This book was released on 1972 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: