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Dipole and quadrupole excitations in Sr88 up to 6.8MeV

Käubler, L. ; Schnare, H. ; Schwengner, R. ; Prade, H. ; Dönau, F. ; Brentano, P. von ; Eberth, J. ; Enders, J. ; Fitzler, A. ; Fransen, C. ; Grinberg, M. ; Herzberg, R.-D. ; Kaiser, H. ; Neumann-Cosel, P. ; Pietralla, N. ; Richter, A. ; Rusev, G. ; Stoyanov, Ch. ; Wiedenhöver, I. (2004):
Dipole and quadrupole excitations in Sr88 up to 6.8MeV.
In: Physical Review C, 70 (6), pp. 064307. APS, ISSN 0556-2813,
[Article]

Item Type: Article
Erschienen: 2004
Creators: Käubler, L. ; Schnare, H. ; Schwengner, R. ; Prade, H. ; Dönau, F. ; Brentano, P. von ; Eberth, J. ; Enders, J. ; Fitzler, A. ; Fransen, C. ; Grinberg, M. ; Herzberg, R.-D. ; Kaiser, H. ; Neumann-Cosel, P. ; Pietralla, N. ; Richter, A. ; Rusev, G. ; Stoyanov, Ch. ; Wiedenhöver, I.
Title: Dipole and quadrupole excitations in Sr88 up to 6.8MeV
Language: English
Journal or Publication Title: Physical Review C
Journal volume: 70
Number: 6
Publisher: APS
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 > A1: Kernstrukturphysik mit reellen Photonen
Date Deposited: 20 Jun 2011 07:13
Official URL: http://dx.doi.org/10.1103/PhysRevC.70.064307
Identification Number: doi:10.1103/PhysRevC.70.064307
Alternative Abstract:
Alternative abstract Language

Dipole and quadrupole excitations in the semimagic N=50 nucleus 88Sr were investigated at the superconducting Darmstadt electron linear accelerator S-DALINAC with bremsstrahlung of an end-point energy of 6.8 MeV . Many new dipole excitations could be identified, and their reduced excitation probabilities were determined. The experimental findings are discussed in the context of quasiparticle-phonon-model and shell-model calculations. A breaking of the N=50 core is essential to describe the structure of the observed excitations. The two-phonon quadrupole-octupole J?=1- state exhibits unusual features which are presently not understood.

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