Dipole strength distribution of Ge 74

R. Massarczyk, R. Schwengner, L. A. Bernstein, M. Anders, D. Bemmerer, R. Beyer, Z. Elekes, R. Hannaske, A. R. Junghans, T. Kögler, M. Röder, K. Schmidt, A. Wagner, L. Wagner

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Abstract

The dipole strength distribution of Ge74 was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.0 and 12.1 MeV at the linear accelerator ELBE. We identified 94 levels with spin J = 1 up to an excitation energy of 8.9 MeV and analyzed the strength in the quasicontinuum of states. Simulations of statistical γ-ray cascades were performed to estimate intensities of inelastic transitions and to correct the intensities of the ground-state transitions for their branching ratios. The photoabsorption cross section below the neutron-separation energy derived in this way is combined with the photoabsorption cross section obtained from an earlier (γ,n) experiment and compared with phenomenological approximations.

Original languageEnglish
Article number044309
JournalPhysical Review C - Nuclear Physics
Volume92
Issue number4
DOIs
Publication statusPublished - Oct 12 2015

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Massarczyk, R., Schwengner, R., Bernstein, L. A., Anders, M., Bemmerer, D., Beyer, R., Elekes, Z., Hannaske, R., Junghans, A. R., Kögler, T., Röder, M., Schmidt, K., Wagner, A., & Wagner, L. (2015). Dipole strength distribution of Ge 74. Physical Review C - Nuclear Physics, 92(4), [044309]. https://doi.org/10.1103/PhysRevC.92.044309