Giant resonance

Giant resonance

Giant resonance is a high-frequency collective excitation of atomic nuclei, as a property of many-body quantum systems. In the macroscopic interpretation of such an excitation in terms of an oscillation, the most prominent giant resonance is a collective oscillation of all protons against all neutrons in a nucleus.

1947, G. C. Baildwin and G. S. Klaiber observed the giant dipole resonance (GDR) in photonuclear reactions, [Chomaz, section 2.1 (page 5)] in 1972 the giant quadrupole resonance (GQR) was discovered, [Chomaz, section 2.2.1.1 (page 14)] and in 1977 the giant monopole resonance (GMR) was discovered in medium and heavy nuclei. [Chomaz, section 2.2.2.1 (page 20)]

References

External links

* Chomaz, Ph.: [http://www-ist.cea.fr/publicea/exl-doc/00000033058.pdf Collective excitations in nuclei]
* Brink, G. M.: [http://www.mpipks-dresden.mpg.de/~ccm08/Abstract/Brink.pdf Giant resonances in excited nuclei]
* [http://aznp17.com/GR.aspx Giant resonances]


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