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Fine Structure in the Energy Region of the Isoscalar Giant Quadrupole Resonance: Characteristic Scales from a Wavelet Analysis

Shevchenko, A. ; Carter, J. ; Fearick, R. ; Förtsch, S. ; Fujita, H. ; Fujita, Y. ; Kalmykov, Y. ; Lacroix, D. ; Lawrie, J. ; Neumann-Cosel, P. ; Neveling, R. ; Ponomarev, V. ; Richter, A. ; Sideras-Haddad, E. ; Smit, F. ; Wambach, J. (2004):
Fine Structure in the Energy Region of the Isoscalar Giant Quadrupole Resonance: Characteristic Scales from a Wavelet Analysis.
In: Physical Review Letters, 93 (12), p. 122501. American Physical Society, ISSN 0031-9007,
[Article]

Item Type: Article
Erschienen: 2004
Creators: Shevchenko, A. ; Carter, J. ; Fearick, R. ; Förtsch, S. ; Fujita, H. ; Fujita, Y. ; Kalmykov, Y. ; Lacroix, D. ; Lawrie, J. ; Neumann-Cosel, P. ; Neveling, R. ; Ponomarev, V. ; Richter, A. ; Sideras-Haddad, E. ; Smit, F. ; Wambach, J.
Title: Fine Structure in the Energy Region of the Isoscalar Giant Quadrupole Resonance: Characteristic Scales from a Wavelet Analysis
Language: English
Journal or Publication Title: Physical Review Letters
Journal volume: 93
Number: 12
Publisher: American Physical Society
Divisions: DFG-Collaborative Research Centres (incl. Transregio)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
05 Department of Physics
05 Department of Physics > Institute of Nuclear Physics
Zentrale Einrichtungen
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC) > A: Kernstrukturphysik
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC) > A: Kernstrukturphysik > A2: Kernstrukturphysik mit virtuellen Photonen
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC) > D: Theoretische Kernstrukturphysik
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC) > D: Theoretische Kernstrukturphysik > D2: Kernstrukturuntersuchungen mit Relevanz für das experimentelle Programm
Date Deposited: 20 Jun 2011 07:12
Official URL: http://dx.doi.org/10.1103/PhysRevLett.93.122501
Identification Number: doi:10.1103/PhysRevLett.93.122501
Alternative Abstract:
Alternative abstract Language

Fine structure in the energy region of the isoscalar giant quadrupole resonance in nuclei is observed in high-resolution proton scattering experiments at iThemba LABS over a wide mass range. A novel method based on wavelet transforms is introduced for the extraction of scales characterizing the fine structure. A comparison with microscopic model calculations including two-particle two-hole (2p2h) degrees of freedom identifies the coupling to surface vibrations as the main source of the observed scales. A generic pattern is also found for the stochastic coupling to the background of the more complex states.

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