Schwengner, R., Massarczyk, R., Beyer, R., Bhike, M., Brown, B. A., Sieja, K., Tornow, W., Bemmerer, D., Butterling, M., Derya, V, Dietz, M., Fiedler, F., Friman-Gayer, U., Frotscher, A., Grieger, M., Hartmann, A., Junghans, A. R., Koegler, T., Ludwig, F., Lutz, B., Pai, H., Szuecs, T., Takacs, M. P. and Wagner, A. (2020). Electric and magnetic dipole strength in Fe-54. Phys. Rev. C, 101 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

The dipole strength of the N = 28 closed-shell nuclide Fe-54 was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of kinetic energies of 7.5 and 13.9 MeV at the gamma ELBE 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 HI gamma S 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 gamma-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.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Schwengner, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Massarczyk, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Beyer, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bhike, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Brown, B. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sieja, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tornow, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bemmerer, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Butterling, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Derya, VUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dietz, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fiedler, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Friman-Gayer, U.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Frotscher, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grieger, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hartmann, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Junghans, A. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koegler, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ludwig, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lutz, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pai, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Szuecs, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Takacs, M. P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wagner, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-330439
DOI: 10.1103/PhysRevC.101.064303
Journal or Publication Title: Phys. Rev. C
Volume: 101
Number: 6
Date: 2020
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1089-490X
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
BREMSSTRAHLUNG CROSS-SECTION; NUCLEI; SIMULATION; FORMULA; LIBRARY; LIGHTMultiple languages
Physics, NuclearMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/33043

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