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Author : Nguyen Dinh Dang
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (258 download)
Download or read book New approach to the width of giant dipole resonance in hot nuclei written by Nguyen Dinh Dang and published by . This book was released on 1994 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (683 download)
Download or read book The Temperature Dependence of the Width of the Giant Dipole Resonance written by and published by . This book was released on 1995 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic study of the full-width-at-half-maximum (FWHM) of the giant-dipole resonance (GDR) as a function of temperature for the nuclei 12°Sn and 2°8Pb confirms the overall theoretical picture of the GDR in hot nuclei; in particular, the role played by large-amplitude thermal fluctuations of the nuclear shape. This is confirmed by the good agreement between theory and experiment achieved over a range of temperatures from 1.25--32 MeV and by the differences in the behavior of the FWHM for 12°Sn and 2°8Pb, which can be attributed to the presence of strong shell corrections favoring spherical shapes in 2°8Pb that are absent in 12°Sn. Finally, the increase in the FWHM over that expected from thermal averaging at temperatures of the order 3.0 MeV is in accordance with the increase expected from the particle evaporation of the compound system.
Author : Bortignon
Publisher : CRC Press
ISBN 13 : 9789057025709
Total Pages : 294 pages
Book Rating : 4.0/5 (257 download)
Download or read book Giant Resonances written by Bortignon and published by CRC Press. This book was released on 1998-07-28 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents a comprehensive introduction to the study of nuclear structure at finite temperature. This basic subject matter is supplemented with material taken from research on the structure of hot nuclei.
Author : Toshio Fukuda
Publisher : World Scientific
ISBN 13 : 9814548480
Total Pages : 442 pages
Book Rating : 4.8/5 (145 download)
Download or read book Perspectives In Heavy-ion Physics - Proceedings Of The 2nd Japan-italy Joint Symposium '95 written by Toshio Fukuda and published by World Scientific. This book was released on 1996-04-25 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: This symposium was organized in order to discuss recent developments and future perspectives in intermediate-energy heavy-ion physics. The subjects included sub-barrier fusion, superheavy elements, fission; halo, skin nuclei; multi-fragmentation, collective flow, compression; properties of hot nuclei; high spin and exotic nuclear shapes; nuclear astrophysics; applications; facilities.
Author : M. E. Faber
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (256 download)
Download or read book The Giant Dipole Resonance in Hot Rotating Nuclei written by M. E. Faber and published by . This book was released on 1983 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dinh Dang Nguyen
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (969 download)
Download or read book Width and Shape of Hot Giant Dipole Resonance written by Dinh Dang Nguyen and published by . This book was released on 1998 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (893 download)
Download or read book Giant Dipole Resonance in the Hot and Thermalized 132Ce Nucleus written by and published by . This book was released on 2006 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The [gamma] decay of the Giant Dipole Resonance in the 132Ce compound nucleus with temperature up to ≈ 4 MeV has been measured. The symmetric 64Ni + 68Zn at E{sub beam} = 300, 400, 500 MeV and the asymmetric reaction 16O + 116Sn at E{sub beam} = 130, 250 MeV have been investigated. Light charged particles and [gamma] rays have been detected in coincidence with the recoiling compound system. In the case of the mass symmetric 64Ni induced reaction the [gamma] and charged particle spectral shapes are found to be consistent with the emission from a fully equilibrated compound nuclei and the GDR parameters are extracted from the data using a statistical model analysis. The GDR width is found to increase almost linear with temperature. This increase is rather well reproduced within a model which includes both the thermal fluctuation of the nuclear shape and the lifetime of the compound nucleus.
Author : Michael Danos
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (227 download)
Download or read book The Width of Giant Resonances in Heavy Nuclei written by Michael Danos and published by . This book was released on 1964 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: In heavy nuclei the damping of the giant resonance is due to thermalization of the energy rather than to direct emission of particles; the latter process is strongly inhibited by the angular momentum barrier. The thermalization proceeds via inelastic collisions leading from the particle-hole state to two-particle twohole states. In heavy nuclei several hundred such states are available at the energy of the giant dipole resonance. The rather large width of the giant resonance arises from the addition of many small partial widths of channels leading to the different two-particle two-hole states. Both the density of the two-particle two-hole states and the mean value of the matrix elements are evaluated in a simplified square well shell model. (Author).
Author : M. (Niels Bohr Institutet) Gallardo
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (488 download)
Download or read book Damping of the Giant Dipole Resonance in Hot, Strongly Rotating Nuclei written by M. (Niels Bohr Institutet) Gallardo and published by . This book was released on 1985 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yasuhisa Abe
Publisher : Springer Science & Business Media
ISBN 13 : 3642763790
Total Pages : 301 pages
Book Rating : 4.6/5 (427 download)
Download or read book New Trends in Nuclear Collective Dynamics written by Yasuhisa Abe and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: "New Trends in Nuclear Collective Dynamics" emphasizes research toward understanding collective and statistical aspects of nuclear dynamics. Well-known lecturers from centers of nuclear research present reviews of recent developments. The topics covered are: -order and chaos in finite quantum systems -dissipation in heavy-ion collisions -collective motionsin warm nuclei -time-dependent mean-field theory with collision terms -nuclear fission and multi-dimensional tunneling -large-scale collective motion
Author : Nguyen Dinh Dang
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (258 download)
Download or read book Damping of Giant Dipole Resonance - a Manifestation of Irreversible Processes in Hot Nuclei written by Nguyen Dinh Dang and published by . This book was released on 1995 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ph Chomaz
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book WIDTH OF GIANT DIPOLE RESONANCES AND LIFE TIME OF COMPOUND NUCLEI. written by Ph Chomaz and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vladimir M Kolomietz
Publisher : World Scientific
ISBN 13 : 9811211795
Total Pages : 586 pages
Book Rating : 4.8/5 (112 download)
Download or read book Mean Field Theory written by Vladimir M Kolomietz and published by World Scientific. This book was released on 2020-05-08 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes recent theoretical and experimental developments in the study of static and dynamic properties of atomic nuclei, many-body systems of strongly interacting neutrons and protons. The theoretical approach is based on the concept of the mean field, describing the motion of a nucleon in terms of a self-consistent single-particle potential well which approximates the interactions of a nucleon with all the other nucleons. The theoretical approaches also go beyond the mean-field approximation by including the effects of two-body collisions.The self-consistent mean-field approximation is derived using the effective nucleon-nucleon Skyrme-type interaction. The many-body problem is described next in terms of the Wigner phase space of the one-body density, which provides a basis for semi-classical approximations and leads to kinetic equations. Results of static properties of nuclei and properties associated with small amplitude dynamics are also presented. Relaxation processes, due to nucleon-nucleon collisions, are discussed next, followed by instability and large amplitude motion of excited nuclei. Lastly, the book ends with the dynamics of hot nuclei. The concepts and methods developed in this book can be used for describing properties of other many-body systems.
Author : M. N. Harakeh
Publisher : Oxford Studies in Nuclear Phys
ISBN 13 : 9780198517337
Total Pages : 658 pages
Book Rating : 4.5/5 (173 download)
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.
Author : Jincheng Xu
Publisher : World Scientific
ISBN 13 : 9814548170
Total Pages : 877 pages
Book Rating : 4.8/5 (145 download)
Download or read book International Nuclear Physics Conference 1995: Nuclear Physics - At The Frontiers Of Knowledge written by Jincheng Xu and published by World Scientific. This book was released on 1996-05-11 with total page 877 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Nuclear Physics Conference, held every three years, is the most pretigeous meeting of nuclear physics. Its programme covers the whole range of nuclear physics and some application, such as relativistic nuclear collisions, mesons and baryons in nuclei, hadron structure and quarks in nuclei, formation and properties of hot nuclei, nuclear reactions at low and intermediate energy, nuclear structure, radioactive nuclear beams, nuclear astrophysics, fundamental interaction and symmetries, experimental technique and new facilities, and applied nuclear physics.The proceedings is a collection of all invited talks on the plenary and parallel sessions. Presented by the leading scientists in their fields, these talks summarized the most recent progress and future prospects in all the aspects of nuclear physics.
Author : Hideyuki Sakai
Publisher : World Scientific
ISBN 13 : 9814544752
Total Pages : 538 pages
Book Rating : 4.8/5 (145 download)
Download or read book New Facet Of Spin Giant Resonances In Nuclei (Sgr97) - Proceedings Of The International Symposium written by Hideyuki Sakai and published by World Scientific. This book was released on 1998-07-31 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on a new development of spin giant resonances in nuclei. It covers: quenching phenomena in Gamow-Teller giant resonances, spin-dipole giant resonances, spin-longitudinal and transverse responses in quasi-elastic scattering, microscopic structures, isoscalar spin responses, and spin excitations in exotic nuclei as well as in related fields. The book provides comprehensive coverage of theory and experiment on intriguing spin phenomena, by distinguished contributors.
Author :
Publisher :
ISBN 13 :
Total Pages : 730 pages
Book Rating : 4.3/5 (91 download)
Download or read book INIS Atomindex written by and published by . This book was released on 1996 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
