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Neutron Transfer Reactions On 64zn As A Probe For Testing Shell Model Isospin Symmetry Breaking Theory
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Book Synopsis Neutron Transfer Reactions on 64Zn as a Probe for Testing Shell-Model Isospin-Symmetry-Breaking Theory by : Kyle G. Leach
Download or read book Neutron Transfer Reactions on 64Zn as a Probe for Testing Shell-Model Isospin-Symmetry-Breaking Theory written by Kyle G. Leach and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Transfer Reactions in the Fp-shell Region by : Mahmoud Mahgoub
Download or read book Neutron Transfer Reactions in the Fp-shell Region written by Mahmoud Mahgoub and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Isospin-breaking Interactions in the Nuclear Shell Model by : Aaron Magilligan
Download or read book Isospin-breaking Interactions in the Nuclear Shell Model written by Aaron Magilligan and published by . This book was released on 2021 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ever advancing scale of experimental nuclear physics has lit a fire under nuclear theorists. With the inevitable explosion in the number of exotic isotopes available for study at the soon to be operational Facility for Rare Isotope Beams and other rare isotope labs, the need for quantitative descriptions of nuclei far from stability is clear.The Nuclear Shell Model allows for the calculation of realistic nuclear wavefunctions using configuration-interaction theory. This theory examines only the valence nucleons in a restricted model space or "nuclear shell" and treats the filled shells in the core of the nucleus as inert. Interactions used in this theory usually take the form of one- and two-body terms which can be built up from fundamental theory using various many body methods and are continually being improved. The ab initio based methods now include three-body interactions together with improved methods for handling short-ranged correlations and model space truncations. This enables them to describe binding energies within several MeV and energy spectra within about 500 keV.One can phenomenologically improve upon these interactions by using the energy data for nuclei in a given mass region to obtain effective two-body matrix elements for a given model space. An effective method for doing this is to start with an ab initio based Hamiltonian and then to modify the best determined linear combinations of interaction parameters as determined by the energy data using what is called the singular value decomposition method. This can be thought of as a truncation of the allowed parameter space. The result is that both binding and excitation energies can be described to within 150-200 keV. The relatively small modifications to the ab initio interaction parameters reflect deficiencies in the many-body methods and their inputs.This method has resulted in widely used Hamiltonians for several model spaces. Universal effective sd-shell Hamiltonians have a history dating back to the 1970s, and the newest updates are presented in this dissertation. The USDC interaction, as it is called, and its companion interactions are the first effective sd-shell interactions that incorporate energies in the fitting protocol from proton rich nuclei and explicitly includes isospin-breaking terms. Apart from the addition of a Coulomb interaction, an isotensor term is added to the strong interaction in order to reproduce the oscillation found in the c-coefficients of the Isobaric Multiplet Mass Equation. A modified version of Coulomb is used in the USDCm interaction, which was constrained to better reproduce mirror energy differences.Experimental binding and excitation energies across the shell are reproduced by USDC, apart from the known island of inversion nuclei and the neutron-rich fluorine isotopes. A single-particle model of the Thomas-Ehrman shift is developed to account for coupling to the continuum not present in the shell model results for nuclei at or near the proton dripline. Using this model and the improved theoretical binding energies, new predictions for the proton and neutron driplines are presented. The possibility of 34Ca being a two-neutron emitter is explored.Isospin level mixing of isobaric analogue states with nearby states can significantly impact nuclear decays. Several cases with experimentally measured isospin mixing are explained with the new interactions. However, USDCm over predicts the strength of the associated matrix elements. This motivates a refinement of USDC in which an isovector term is added to the strong interaction and constrained to reproduce changes of mirror energy differences in the isobaric doublets. This is shown to provide the benefits of the modified Coulomb interaction without its detriments.An effective fp-shell interaction is presented tailored to the neutron rich calcium isotopes out to 60Ca. This is constrained with the nuclear interaction fitting code FINCH, developed during the creation of the USDC interactions. This interaction is shown to be a good renormalized fp-shell interaction and several predictions for unobserved states are presented. Using this and inter-model comparisons leads us to conclude that 60Ca is likely doubly-magic to a similar level as $. {68}$Ni.Following these successful implementations of effective universal configuration-interaction Hamiltonians, future research aims to develop an sdpf model space interaction for deeper study of the N=20, 28, and 42 islands of inversion.
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Nucleus written by F.D. Smit and published by Springer Science & Business Media. This book was released on 1999 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the International Conference on The Nucleus: New Physics for the New Millennium, held January 18-22, 1999, at the National Accelerator Centre, Faure, South Africa
Book Synopsis Introductory Nuclear Physics by : Kenneth S. Krane
Download or read book Introductory Nuclear Physics written by Kenneth S. Krane and published by John Wiley & Sons. This book was released on 1991-01-16 with total page 869 pages. Available in PDF, EPUB and Kindle. Book excerpt: INTRODUCTORY NUCLEAR PHYSICS
Book Synopsis Physics Division Annual Report by : Argonne National Laboratory. Physics Division
Download or read book Physics Division Annual Report written by Argonne National Laboratory. Physics Division and published by . This book was released on 2001 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Nuclear Chemistry by : Attila Vértes
Download or read book Handbook of Nuclear Chemistry written by Attila Vértes and published by Springer Science & Business Media. This book was released on 2010-12-10 with total page 3693 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised and extended 6 volume handbook set is the most comprehensive and voluminous reference work of its kind in the field of nuclear chemistry. The Handbook set covers all of the chemical aspects of nuclear science starting from the physical basics and including such diverse areas as the chemistry of transactinides and exotic atoms as well as radioactive waste management and radiopharmaceutical chemistry relevant to nuclear medicine. The nuclear methods of the investigation of chemical structure also receive ample space and attention. The international team of authors consists of scores of world-renowned experts - nuclear chemists, radiopharmaceutical chemists and physicists - from Europe, USA, and Asia. The Handbook set is an invaluable reference for nuclear scientists, biologists, chemists, physicists, physicians practicing nuclear medicine, graduate students and teachers - virtually all who are involved in the chemical and radiopharmaceutical aspects of nuclear science. The Handbook set also provides further reading via the rich selection of references.
Book Synopsis Nuclear Medicine Radiation Dosimetry by : Brian J McParland
Download or read book Nuclear Medicine Radiation Dosimetry written by Brian J McParland and published by Springer Science & Business Media. This book was released on 2010-07-03 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complexities of the requirements for accurate radiation dosimetry evaluation in both diagnostic and therapeutic nuclear medicine (including PET) have grown over the past decade. This is due primarily to four factors: Growing consideration of accurate patient-specific treatment planning for radionuclide therapy as a means of improving the therapeutic benefit, development of more realistic anthropomorphic phantoms and their use in estimating radiation transport and dosimetry in patients, Design and use of advanced Monte Carlo algorithms in calculating the above-mentioned radiation transport and dosimetry which require the user to have a thorough understanding of the theoretical principles used in such algorithms, their appropriateness and their limitations, increasing regulatory scrutiny of the radiation dose burden borne by nuclear medicine patients in the clinic and in the development of new radiopharmaceuticals, thus requiring more accurate and robust dosimetry evaluations. An element common to all four factors is the need for precise radiation dosimetry in nuclear medicine, which is fundamental to the therapeutic success of a patient undergoing radionuclide therapy and to the safety of the patients undergoing diagnostic nuclear medicine and PET procedures. As the complexity of internal radiation dosimetry applied to diagnostic and therapeutic nuclear medicine increases, this book will provide the theoretical foundations for: enabling the practising nuclear medicine physicist to understand the dosimetry calculations being used and their limitations, allowing the research nuclear medicine physicist to critically examine the internal radiation dosimetry algorithms available and under development; and providing the developers of Monte Carlo codes for the transport of radiation resulting from internal radioactive sources with the only comprehensive and definitive.
Book Synopsis Motion Mountain - Vol. 1 - The Adventure of Physics by : Christoph Schiller
Download or read book Motion Mountain - Vol. 1 - The Adventure of Physics written by Christoph Schiller and published by CreateSpace. This book was released on 2013-12-07 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: How high can animals jump? What are the fastest thrown balls? How fast can aeroplanes and butterflies fly? What does the sea level tell us about the sun? What are temperature and heat? What is self-organization? This free colour pdf on introductory physics guarantees to be entertaining, surprising and challenging on every page. The text presents the best stories, images, movies and puzzles in mechanics, gravity and thermodynamics - with little mathematics, always starting from observations of everyday life. This first volume also explains conservation laws and the reversibility of motion, explores mirror symmetry, and presents the principle of cosmic laziness: the principle of least action. This popular series has already more than 160 000 readers. If you are between the age of 16 and 106 and want to understand nature, you will enjoy it! To achieve wonder and thrill on every page, the first volume includes the various "colour of the bear" puzzles and the "picture on the wall" puzzle, explains about the many types of water waves, introduces the art of laying rope, tells about the the dangers of aeroplane toilets, explores the jumping height of different animals, presents the surprising motion of moguls on skiing slopes, explains why ultrasound imaging is not safe for a foetus, gives the ideal shape of skateboard half-pipes, estimates the total length of all capillaries in the human body, explains how it is possible to plunge a bare hand into molten lead, includes a film of an oscillating quartz inside a watch, includes the "handcuff puzzle" and the "horse pulling a rubber with a snail on it" puzzle, explains how jet pilots frighten civilians with sonic superbooms produced by fighter planes, presents the most beautiful and precise sundial available today, shows leap-frogging vortex rings, tells the story of the Galilean satellites of Jupiter, mentions the world records for running backwards and the attempts to break the speed sailing record, and tells in detail how to learn from books with as little effort as possible. Enjoy the reading!
Book Synopsis Nuclear Physics of Stars by : Christian Iliadis
Download or read book Nuclear Physics of Stars written by Christian Iliadis and published by John Wiley & Sons. This book was released on 2015-04-13 with total page 675 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most elements are synthesized, or "cooked", by thermonuclear reactions in stars. The newly formed elements are released into the interstellar medium during a star's lifetime, and are subsequently incorporated into a new generation of stars, into the planets that form around the stars, and into the life forms that originate on the planets. Moreover, the energy we depend on for life originates from nuclear reactions that occur at the center of the Sun. Synthesis of the elements and nuclear energy production in stars are the topics of nuclear astrophysics, which is the subject of this book. It presents nuclear structure and reactions, thermonuclear reaction rates, experimental nuclear methods, and nucleosynthesis in detail. These topics are discussed in a coherent way, enabling the reader to grasp their interconnections intuitively. The book serves both as a textbook for advanced undergraduate and graduate students, with worked examples and end-of-chapter excercises, but also as a reference book for use by researchers working in the field of nuclear astrophysics.
Book Synopsis The Neutron-protron Interaction by : Richard S. Christian
Download or read book The Neutron-protron Interaction written by Richard S. Christian and published by . This book was released on 1949 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Density Functional Theory by : I. Zh Petkov
Download or read book Nuclear Density Functional Theory written by I. Zh Petkov and published by . This book was released on 1991 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the enormous amount of material accumulated in the field of nuclear density functional theory over the last few decades. The goal of the theory is to provide a complete quantum mechanical description and explanation of nuclear phenomena in terms of the local density distribution as a basic ingredient rather than the many particle wavefunction. This leads to a considerable reduction in the mathematical complexity of nuclear many-body problems and to a great conceptual simplicity and visual clarity in its theoretical treatment. The authors develop the mathematical framework on which the theory is based and consider the associated approaches used to analyze experimental data in a variety of nuclei and nuclear processes with widely differing properties.
Book Synopsis Nuclei at the Limits by : Dariusz Seweryniak
Download or read book Nuclei at the Limits written by Dariusz Seweryniak and published by American Institute of Physics. This book was released on 2005-04-20 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: All papers were peer reviewed. The Conference on Nuclei at the Limits covered most of the current experimental and theoretical research in the structure of nuclei. The emphasis was on: nuclei at the limits of their existence in spin, excitation energy, charge and proton-number; neutron-rich nuclei; and the implications of nuclear structure for astrophysics.
Book Synopsis Introduction to Nuclear and Particle Physics by : Saverio D'Auria
Download or read book Introduction to Nuclear and Particle Physics written by Saverio D'Auria and published by Springer. This book was released on 2019-03-18 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook fills the gap between the very basic and the highly advanced volumes that are widely available on the subject. It offers a concise but comprehensive overview of a number of topics, like general relativity, fission and fusion, which are otherwise only available with much more detail in other textbooks. Providing a general introduction to the underlying concepts (relativity, fission and fusion, fundamental forces), it allows readers to develop an idea of what these two research fields really involve. The book uses real-world examples to make the subject more attractive and encourage the use of mathematical formulae. Besides short scientists' biographies, diagrams, end-of-chapter problems and worked solutions are also included. Intended mainly for students of scientific disciplines such as physics and chemistry who want to learn about the subject and/or the related techniques, it is also useful to high school teachers wanting to refresh or update their knowledge and to interested non-experts.
Download or read book The Vortex State written by N. Bontemps and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most spectacular consequences of the description of the superfluid condensate in superfluid He or in superconductors as a single macroscopic quantum state is the quantization of circulation, resulting in quantized vortex lines. This book draws no distinction between superfluid He3 and He4 and superconductors. The reader will find the essential introductory chapters and the most recent theoretical and experimental progress in our understanding of the vortex state in both superconductors and superfluids, from lectures given by leading experts in the field, both experimentalists and theoreticians, who gathered in Cargèse for a NATO ASI. The peculiar features related to short coherence lengths, 2D geometry, high temperatures, disorder, and pinning are thoroughly discussed.
Book Synopsis The Discovery of Isotopes by : Michael Thoennessen
Download or read book The Discovery of Isotopes written by Michael Thoennessen and published by Springer. This book was released on 2016-06-02 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the exciting discovery of every isotope observed on earth to date, which currently numbers some 3000. The discoveries are arranged in chapters according to the observation techniques or production methods. Each chapter contains tables listing the first authors of the first publication as well as details about the production and detection methods used. At the end, a comprehensive table lists all isotopes sorted by elements. The book is based on individual paragraphs for each isotope, which were published over the last few years as separate articles in the journal “Atomic Data and Nuclear Data Tables”. The work re-evaluates all prior assignments judging them with a uniform set of criteria. In addition, the author includes over 100 new isotopes which have been discovered since the articles published. This book is a source of information for researchers as well as enthusiastic laymen alike. From the prepublication review: “The explanations focus on the essentials, which makes the various chapters pleasingly compact. The phrasing is well understandable also for non-experts. This makes the book easy to read, even thrilling. I have to confess that parts of the manuscript I was even reading as an evening lecture in the bed, so exciting was the history of isotope discoveries.” Sigurd Hofmann, Helmholtz Professor at GSI Darmstadt, Germany, and a leading expert in superheavy nuclei
