Last edited by Vilrajas
Tuesday, October 13, 2020 | History

4 edition of Nuclear shapes and nuclear structure at low excitation energies found in the catalog.

Nuclear shapes and nuclear structure at low excitation energies

Nuclear shapes and nuclear structure at low excitation energies

  • 122 Want to read
  • 25 Currently reading

Published by Plenum Press in New York .
Written in English

    Subjects:
  • Nuclear shapes -- Congresses,
  • Nuclear structure -- Congresses,
  • Nuclear spectroscopy -- Congresses

  • Edition Notes

    Statementedited by Michel Vergnes ... [et al.].
    SeriesNATO ASI series., v. 289
    ContributionsVergnes, Michel., North Atlantic Treaty Organization. Scientific Affairs Division., NATO Advanced Research Workshop on Nuclear Shapes and Nuclear Structure at Low Excitation Energies (1991 : Cargèse, France)
    Classifications
    LC ClassificationsQC793.3.N83 N83 1992
    The Physical Object
    Paginationxii, 457 p. :
    Number of Pages457
    ID Numbers
    Open LibraryOL1706372M
    ISBN 100306441950
    LC Control Number92007776

    An NRF facility was established to address some of the most fundamental questions of nuclear structure at low excitation energies. This facility, for example, will allow one to probe the transitions between three major shapes of nuclei, spherical nuclei, quadropole-deformed (football shaped) nuclei, and tri-axial nuclei (all three axes have different lengths).   The LBNL Nuclear Physics Forum (NP Forum) is a weekly (more or less) seminar series covering topics in low-energy nuclear science, including nuclear structure, nuclear chemistry and heavy element research, applied physics and much more. The NP Forum series involves the nuclear structure group, heavy element research group and research groups.

    Audio Books & Poetry Community Audio Computers, Technology and Science Music, Arts & Culture News & Public Affairs Non-English Audio Spirituality & Religion Librivox Free Audiobook CEWEBITY Peaceful Pathways Shaye Tacker Slate 52 NYSTESOLPodcast's Podcast Environment: journeys through a changing world - for iPad/Mac/PC Lessons with Lara. This volume commemorates his important contribution to nuclear physics. The subjects include: (1) traditional low-energy nuclear structure; (2) nuclear structure at extremes of excitation energy, angular momentum, isospin and mass; (3) nucleus-nucleus collisions and phase transitions in nuclear matter; (4) related subjects. Contents.

    Nuclear Potential and the Shell Model. The shell model of the nucleus presumes that a given nucleon moves in an effective attractive potential formed by all the other nucleons. If that is true, then the potential is probably roughly proportional to the nuclear density and therefore could be expressed in the form. The parameters in this model of the potential have been evaluated to be. In nuclear physics and nuclear chemistry, a nuclear reaction is semantically considered to be the process in which two nuclei, or else a nucleus of an atom and a subatomic particle (such as a proton, neutron, or high energy electron) from outside the atom, collide to produce one or more nuclides that are different from the nuclide(s) that began the process (parent nuclei).


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Nuclear shapes and nuclear structure at low excitation energies Download PDF EPUB FB2

Nuclear Shapes and Nuclear Structure at Low Excitation Energies. Editors (view affiliations) Nuclear Shapes and Nuclear Structure at Low Excitation Energies: Theoretical Aspects. Heyde. Pages Algebraic Approaches to Nuclear Structure.

Richard F. Casten. Pages Shape Coexistence in the Pb Region. Nuclear Shapes and Nuclear Structure at Low Excitation Energies. Editors: Vergnes, M., Sauvage, J., Heenen, P.-H., Hong Tuan Duong (Eds.) Free Preview.

In describing nuclear structure and observables that give information on the nuclear shape at low excitation energy, one has to outline the different approximation methods with which to describe the interacting A-nucleon system as close as by: 1.

"Proceedings of a NATO Advanced Research Workshop on Nuclear Shapes and Nuclear Structure at Low Excitation Energies, held June, in Cargèse, France"--Title page verso.

"Published in cooperation with NATO Scientific Affairs Division.". ISBN: OCLC Number: Description: 1 online resource ( pages) Contents: I- Introduction --Introductory Remarks --Panoramic New Vistas of Nuclei in and near Their Ground States --Nuclear Shapes and Nuclear Structure at Low Excitation Energies: Theoretical Aspects --Atomic Physics and Nuclear Properties --II --Atomic Methods in Nuclear Spectroscopy.

Heyde, K. (n.d.). Nuclear Shapes and Nuclear Structure at Low Excitation Energies: Theoretical Aspects. Proc. of the Workshop on Nuclear Shapes and Nuclear Structure. Cadmium nuclei take on multiple shapes at low excitation energies, a discovery that overturns a long-accepted tenet of nuclear structure.

Atomic nuclei take on excited states when they vibrate, rotate, or when their constituent nucleons exchange one nuclear shell for another. In nuclei with nearly filled nuclear shells, it has long been thought that low-energy excitations were due exclusively to different patterns of vibration around a spherical shape.

Nuclear Shapes and Nuclear Structure at Low Excitation Energies: Theoretical Aspects. Proc. of the Workshop on Nuclear Shapes and Nuclear Structure at Low Excitation Author: Kristiaan Heyde. A well established measurement of the nuclear shape deformation is the low energy Coulomb excitation [18, 19].

When deformed nuclei pass through a thin slice of lead (Pb), some of the deformed Author: Douglas Cline. Bohr, A. Physica XXII Amsterdam "Nuclear Reactions Conference THE LOW ENERGY NUCLEAR EXCITATION SPECTRUM by AAGE BOHR *) Universitetets Institut for teoretisk Fysik, Kobenhavn, Danmark Synopsis Various types of nuclear reactions yield information on different aspects of nuclear by: 3.

Low-energy Coulomb excitation therefore allows quantitative nuclear structure studies unimpeded by incomplete knowledge of the nuclear interaction and reaction mechanism. Coulomb excitation has been pioneered in the s and was extensively used during the s and s when heavy-ion accelerators and high-resolution germanium detectors Cited by: Nuclear E2 properties are a direct and an unambiguous measure of the collective shape parameters for quadrupole collectivity.

Coulomb excitation selectively excites collective states with cross sections that are a direct measure of the E2 matrix elements. Advances in the field of Coulomb excitation make it feasible to measure essentially all the E2 matrix elements for low-lying nuclear by: The time scale of the fission process at moderate to high excitation energies is determined by shape-dependent and, most likely, temperature-dependent nuclear dissipation.

Nuclear Shapes Studied by Coulomb Excitation. Annual Review of Nuclear and Particle Science COULOMB EXCITATION AT INTERMEDIATE ENERGIES T. Glasmacher Figure 1: The observed abundances of a typical low-metallicity star (HD ) unveil a clear r-process (and not an s-process) pattern, exactly as found in the Solar System (SS), at least Cited by: Chapter 6 Nuclear Energy Levels The nucleus, like the atom, has discrete energy levels whose location and properties are governed by the rules of quantum mechanics.

The locations of the excited states differ for each nucleus. The excitation energy, E x, depends on the internal structure of each nucleus. The excitation and decay of these giant resonances can provide information about shapes of nuclei at high excitation and about the compressibility of nuclear matter.

Results from giant resonance studies indicate that the shell effect persists high into the region previously thought to be statistical.

Nuclear Shapes Studied by Coulomb Excitation Nuclear Shapes Studied by Coulomb Excitation Cline, D AND OVERVIEW Nuclear excitation caused by the time-dependent electromagnetic field acting between colliding atomic nuclei is called Coulomb excitation.

For bombarding energies well below the Coulomb barrier, the colliding nuclei remain sufficiently far apart. Chapter 7—Nuclear Reactions At high enough excitation energies, a nucleus can undergo a series of normal modes of collective oscillations called giant resonances.

The nucleus rings like a bell at distinct frequencies with all the nucleons participating and sharing the excitation energy. 6 CHAPTER NUCLEAR MODELS Nuclei, as well, show a “shell-like” structure, as seen in Figure Figure For now, substitute Figure in Krane’s book, p.

This figure shows shell-induced regularities of the 2pseparation energies for sequences of isotones same N, and 2nseparation energies for sequences of Size: KB.

NUCLEAR SHAPES books () while several review articles outline the progress in this field (6, ). The early Coulomb excitation experiments employed light ions for which. Find many great new & used options and get the best deals for NATO Advanced Science Institutes Ser. Physics: Nuclear Shapes and Nuclear Structure at Low Excitation Energies Vol.

by M. Vergnes, H. T. Duong, J. Sauvage and P. H. Heenen (, Hardcover) at the best online prices at eBay! Free shipping for many products! Experimental evidence is presented for isomer depletion through nuclear excitation by electron capture in molybdenum nuclei.

If an atomic nucleus absorbs an electron of the right energy, it Cited by: The principle of mirror symmetry, which states that nuclear structure remains the same when protons are swapped for neutrons and vice versa, has been found to be broken in the lowest-energy forms.