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Electric and magnetic dipole strength in Fe 54

Publication ,  Journal Article
Schwengner, R; Massarczyk, R; Beyer, R; Bhike, M; Brown, BA; Krishichayan, ; Sieja, K; Tornow, W; Bemmerer, D; Butterling, M; Derya, V; Pai, H ...
Published in: Physical Review C
June 1, 2020

The dipole strength of the N=28 closed-shell nuclide Fe54 was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of kinetic energies of 7.5 and 13.9 MeV at the γELBE facility as well as using quasimonoenergetic and linearly polarized photon beams of 26 different energies within the range from 5.5 to 11.4 MeV at the HIγS facility. About 100 J=1 states were newly identified, out of them 19 with 1+ and 30 with 1- assignments. The quasicontinuum of unresolved transitions was included in the analysis of the spectra and the intensities of branching transitions were estimated on the basis of simulations of statistical γ-ray cascades. As a result, the photoabsorption cross section up to the neutron-separation energy was determined and compared with predictions of the statistical reaction model. The experimental M1 strengths from resolved 1+ states are compared with results of large-scale shell-model calculations.

Duke Scholars

Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

June 1, 2020

Volume

101

Issue

6

Related Subject Headings

  • 5106 Nuclear and plasma physics
 

Citation

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Schwengner, R., Massarczyk, R., Beyer, R., Bhike, M., Brown, B. A., Krishichayan, ., … Wagner, A. (2020). Electric and magnetic dipole strength in Fe 54. Physical Review C, 101(6). https://doi.org/10.1103/PhysRevC.101.064303
Schwengner, R., R. Massarczyk, R. Beyer, M. Bhike, B. A. Brown, B. A. Krishichayan, K. Sieja, et al. “Electric and magnetic dipole strength in Fe 54.” Physical Review C 101, no. 6 (June 1, 2020). https://doi.org/10.1103/PhysRevC.101.064303.
Schwengner R, Massarczyk R, Beyer R, Bhike M, Brown BA, Krishichayan, et al. Electric and magnetic dipole strength in Fe 54. Physical Review C. 2020 Jun 1;101(6).
Schwengner, R., et al. “Electric and magnetic dipole strength in Fe 54.” Physical Review C, vol. 101, no. 6, June 2020. Scopus, doi:10.1103/PhysRevC.101.064303.
Schwengner R, Massarczyk R, Beyer R, Bhike M, Brown BA, Krishichayan, Sieja K, Tornow W, Bemmerer D, Butterling M, Derya V, Dietz M, Fiedler F, Friman-Gayer U, Frotscher A, Grieger M, Hartmann A, Junghans AR, Kögler T, Ludwig F, Lutz B, Pai H, Szücs T, Takács MP, Wagner A. Electric and magnetic dipole strength in Fe 54. Physical Review C. 2020 Jun 1;101(6).

Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

June 1, 2020

Volume

101

Issue

6

Related Subject Headings

  • 5106 Nuclear and plasma physics