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Excitation Of Giant Resonances Via Direct Reactions
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Book Synopsis Excitation of Giant Resonances Via Direct Reactions by :
Download or read book Excitation of Giant Resonances Via Direct Reactions written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental measurements of electric giant multipole resonances are discussed. The parameters of the giant quadrupole resonance are now firmly established by an extensive set of measurements. The GQR is providing a significant influence in other areas of nuclear physics. The monopole resonance has now been established and its observation has provided the first direct measure of the nuclear compressibility. A strong case for the existence of a giant octupole resonance is now being made through a variety of hadron reactions. However, the supply of giant multipole resonances has not been exhausted. The newer techniques such as higher energy proton scattering, charge exchange reactions, heavy-ion scattering and pion reactions offer considerable hope for identifying new resonances during the next few years.
Book Synopsis Excitation of Giant Resonances in Intermediate Energy Heavy-ion Reactions by : Ricardo A. Broglia
Download or read book Excitation of Giant Resonances in Intermediate Energy Heavy-ion Reactions written by Ricardo A. Broglia and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Excitation of Giant Resonances Via Charge Exchange Reactions by :
Download or read book Excitation of Giant Resonances Via Charge Exchange Reactions written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Charge-exchange reactions can be useful for identifying isovector resonances. At present the most promising use of charge-exchange reactions with respect to giant resonances is to locate and study Gamow-Teller (GT) resonances. Detailed comparisons between GT and M1 strengths can yield further structure information. 7 figures.
Book Synopsis The Continuous Spectrum and the Excitation of Giant Resonances in the Reaction 16O + 208Pb by : Ricardo A. Broglia
Download or read book The Continuous Spectrum and the Excitation of Giant Resonances in the Reaction 16O + 208Pb written by Ricardo A. Broglia and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Giant Resonances in Single and Double Charge Exchange by :
Download or read book Giant Resonances in Single and Double Charge Exchange written by and published by . This book was released on 1991 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: A long-standing issue in nuclear physics is whether or not multiple excitations of the giant-dipole resonance do exist. Recent studies at LAMPF using pion-induced double-charge exchange reactions show the existence of previously unobserved giant resonances in the continuum at high-excitation energies. Based on their energies, characteristic angular distributions, and the cross sections at which the resonances are observed, they have been identified as two different types of double-collective-excitation modes of the nucleus: (1) The isovector giant-dipole resonance built on the isobaric analog state and (2) the isovector giant-dipole resonance built on the giant dipole. In this report we will discuss the general features of the new resonances as they have emerged from DCX experiments performed recently at LAMPF. 12 refs., 7 figs.
Book Synopsis Strong-absorption Signature of Giant-resonance Excitation in Pion-nuclear Reactions by : Gal, A. (Avraham)
Download or read book Strong-absorption Signature of Giant-resonance Excitation in Pion-nuclear Reactions written by Gal, A. (Avraham) and published by . This book was released on 1981 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Giant Resonances written by P.F. Bortigan and published by Taylor & Francis. This book was released on 2023-05-31 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series of volumes, Contemporary Concepts in Physics, is addressed to the professional physicist and to the serious graduate student of physics. The subject of many-body systems constitutes a central chapter in the study of quantum mechanics, with applications ranging from elementary particle and condensed matter physics to the behaviour of compact stellar objects. Quantal size effects is one of the most fascinating facets of many-body physics; this is testified to by the developments taking place in the study of metallic clusters, fullerenes, nanophase materials, and atomic nuclei. This book is divided into two main parts: the study of giant resonances based on the atomic nucleus ground state (zero temperature), and the study of the y-decay of giant resonances from compound (finite temperature) nuclei.
Book Synopsis Coupled-Channel Models of Direct-Semidirect Capture Via Giant-Dipole Resonances by :
Download or read book Coupled-Channel Models of Direct-Semidirect Capture Via Giant-Dipole Resonances written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Semidirect capture, a two-step process that excites a giant-dipole resonance followed by its radiative de-excitation, is a dominant process near giant-dipole resonances, that is, for incoming neutron energies within 5 20 MeV. At lower energies such processes may affect neutron capture rates that are relevant to astrophysical nucleosynthesis models. We implement a semidirect capture model in the coupled-channel reaction code Fresco and validate it by comparing the cross section for direct-semidirect capture 208Pb(n, g)209Pb to experimental data. We also investigate the effect of low-energy electric dipole strength in the pygmy resonance. We use a conventional single-particle direct-semidirect capture code Cupido for comparison. Furthermore, we present and discuss our results for direct-semidirect capture reaction 130Sn(n, g)131Sn, the cross section of which is known to have a significant effect on nucleosynthesis models.
Book Synopsis Recent Results from Proton Capture to Giant Resonances Built on Highly-excited States by :
Download or read book Recent Results from Proton Capture to Giant Resonances Built on Highly-excited States written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: New measurements of the (p, .gamma.) reaction on natural targets of K and Ca at intermediate proton energies (E/sub p/ = 11 to 36 MeV) reveal excitation functions that are dominated by excited-state giant dipole resonances (ESGDR's) built upon single-particle states in 4°Ca and 41Sc. These ESGDR's all peak near E/sub .gamma./ = 20 MeV and have widths which increase monotonically with the final state's excitation energy. The integrated, inverse (.gamma., P0) cross sections are shown to be proportional to the known single-particle spectroscopic strengths indicating a semi-direct mechanism for the capture process. 12 references, 13 figures.
Book Synopsis Excitation and Photon Decay of Giant Multipole Resonances by :
Download or read book Excitation and Photon Decay of Giant Multipole Resonances written by and published by . This book was released on 1990 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: A brief review of the excitation of giant multipole resonances via Coulomb excitation is given which emphasizes the very large cross sections that can be realized through this reaction for both isoscalar and isovector resonances. Discussion and results where available, are provide for the measurement of the photon decay of one and two phonon giant resonances. It is pointed out throughout the presentation that the use of E1 photons as a tag'' provides a means to observe weakly excited resonances that cannot be observed in the singles spectra. 14 refs., 12 figs., 1 tab.
Book Synopsis Excitation of Giant Resonances in 208 Pb by 200 and 334 MeV Protons by : Jerry Edward Lisantti
Download or read book Excitation of Giant Resonances in 208 Pb by 200 and 334 MeV Protons written by Jerry Edward Lisantti and published by . This book was released on 1985 with total page 278 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 1976 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Giant Resonances and Intermediate Energy Heavy Ions by :
Download or read book Giant Resonances and Intermediate Energy Heavy Ions written by and published by . This book was released on 1991 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: We briefly explore how large cross sections for excitation of both isoscalar and isovector giant multipole resonances which can be obtained using intermediate energy heavy-ion reactions can be utilized in photon-decay coincidence experiments to provide new information on subjects ranging from basic nuclear structure properties to resonance damping and pre-compound decay. We also discuss experiments in which photon-decay techniques are used as a tag to isolate and identify very weakly excited modes, enabling us to explore such diverse subjects as hadronic excitation of the giant dipole resonance, the distribution of isovector quadrupole strength in 2°8Pb, and the excitation of two-phonon giant resonance strength. 25 refs., 12 figs.
Download or read book Giant Resonances written by M. N. Harakeh and published by Oxford Studies in Nuclear Phys. This book was released on 2001 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Giant resonances are collective excitations of the atomic nucleus, a typical quantum many-body system. The study of these fundamental modes has in many respects contributed to our understanding of the bulk behavior of the nucleus and of the dynamics of non-equilibrium excitations. Although the phenomenon of giant resonances has been known for more than 50 years, a large amount of information has been obtained in the last 10 years. This book gives an up-to-date, comprehensive account of our present knowledge of giant resonances. It presents the experimental facts and the techniques used to obtain that information, describes how these facts fit into theoretical concepts and how this allows to determine various nuclear properties which are otherwise difficult to obtain. Included as an introduction is an overview of the main facts, a short history of how the field has developed in the course of time, and a discussion of future perspectives.
Book Synopsis Neutrino nuclear responses for astro-particle physics by nuclear reactions and nuclear decays by : Hiroyasu Ejiri
Download or read book Neutrino nuclear responses for astro-particle physics by nuclear reactions and nuclear decays written by Hiroyasu Ejiri and published by Frontiers Media SA. This book was released on 2023-07-05 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Excitation and Decay of Giant Resonances by : Ricardo A. Broglia
Download or read book Excitation and Decay of Giant Resonances written by Ricardo A. Broglia and published by . This book was released on 19?? with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1987 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt:
