Electric and magnetic dipole strength in 66Zn

R. Schwengner; R. Massarczyk; M. Scheck; W. Tornow; G. Battaglia; T. Beck; D. Bemmerer; N. Benouaret; R. Beyer; M. Butterling; F. Fiedler; S. W. Finch; C. Fransen; U. Friman-Gayer; A. Frotscher; R. Gonzalez; M. Grieger; A. Hartmann; T. Hensell; E. Hoemann; H. Hoffmann; R. V. F. Janssens; S. Johnson; M. D. Jones; A. R. Junghans; N. Kelly; J. Kleemann; Krishichayan; D. R. Little; F. Ludwig; S. E. Müller; D. O'Donnell; O. Papst; E. Pirovano; J. Sinclair; M. P. Takács; S. Turkat; S. Urlaß; A. Wagner; V. Werner; O. Wieland; J. Wilhelmy

doi:10.1103/PhysRevC.103.024312

Electric and magnetic dipole strength in ⁶⁶Zn

R. Schwengner, R. Massarczyk, M. Scheck, W. Tornow, G. Battaglia, T. Beck, D. Bemmerer, N. Benouaret, R. Beyer, M. Butterling, F. Fiedler, S. W. Finch, C. Fransen, U. Friman-Gayer, A. Frotscher, R. Gonzalez, M. Grieger, A. Hartmann, T. Hensell, E. HoemannH. Hoffmann, R. V. F. Janssens, S. Johnson, M. D. Jones, A. R. Junghans, N. Kelly, J. Kleemann, Krishichayan, D. R. Little, F. Ludwig, S. E. Müller, D. O'Donnell, O. Papst, E. Pirovano, J. Sinclair, M. P. Takács, S. Turkat, S. Urlaß, A. Wagner, V. Werner, O. Wieland, J. Wilhelmy

School of Computing, Engineering and Physical Sciences

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Abstract

The dipole strength of the nuclide ⁶⁶Zn was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.5 and 13.4 MeV at the γ ELBE facility as well as using quasimonoenergetic and linearly polarized photon beams of 30 energies within the range of 4.3 to 9.9 MeV at the HI γ S facility. A total of 128 J = 1 states were identified, among them 9 with 1⁺ and 86 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 M 1 strengths from resolved 1⁺ states are compared with results of large-scale shell-model calculations.

Original language	English
Article number	024312
Number of pages	14
Journal	Physical Review C
Volume	103
DOIs	https://doi.org/10.1103/PhysRevC.103.024312
Publication status	Published - 11 Feb 2021

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2021 02 01 Schwengner et al Electric finalFinal published version, 731 KBLicence: CC BY

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Schwengner, R., Massarczyk, R., Scheck, M., Tornow, W., Battaglia, G., Beck, T., Bemmerer, D., Benouaret, N., Beyer, R., Butterling, M., Fiedler, F., Finch, S. W., Fransen, C., Friman-Gayer, U., Frotscher, A., Gonzalez, R., Grieger, M., Hartmann, A., Hensell, T., ... Wilhelmy, J. (2021). Electric and magnetic dipole strength in ⁶⁶Zn. Physical Review C, 103, Article 024312. https://doi.org/10.1103/PhysRevC.103.024312

@article{b5002e8308504fc58a0eee447c05445f,

title = "Electric and magnetic dipole strength in 66Zn",

abstract = " The dipole strength of the nuclide 66Zn was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.5 and 13.4 MeV at the γ ELBE facility as well as using quasimonoenergetic and linearly polarized photon beams of 30 energies within the range of 4.3 to 9.9 MeV at the HI γ S facility. A total of 128 J = 1 states were identified, among them 9 with 1+ and 86 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 M 1 strengths from resolved 1+ states are compared with results of large-scale shell-model calculations.",

author = "R. Schwengner and R. Massarczyk and M. Scheck and W. Tornow and G. Battaglia and T. Beck and D. Bemmerer and N. Benouaret and R. Beyer and M. Butterling and F. Fiedler and Finch, {S. W.} and C. Fransen and U. Friman-Gayer and A. Frotscher and R. Gonzalez and M. Grieger and A. Hartmann and T. Hensell and E. Hoemann and H. Hoffmann and Janssens, {R. V. F.} and S. Johnson and Jones, {M. D.} and Junghans, {A. R.} and N. Kelly and J. Kleemann and Krishichayan and Little, {D. R.} and F. Ludwig and M{\"u}ller, {S. E.} and D. O'Donnell and O. Papst and E. Pirovano and J. Sinclair and Tak{\'a}cs, {M. P.} and S. Turkat and S. Urla{\ss} and A. Wagner and V. Werner and O. Wieland and J. Wilhelmy",

year = "2021",

month = feb,

day = "11",

doi = "10.1103/PhysRevC.103.024312",

language = "English",

volume = "103",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

}

Schwengner, R, Massarczyk, R, Scheck, M, Tornow, W, Battaglia, G, Beck, T, Bemmerer, D, Benouaret, N, Beyer, R, Butterling, M, Fiedler, F, Finch, SW, Fransen, C, Friman-Gayer, U, Frotscher, A, Gonzalez, R, Grieger, M, Hartmann, A, Hensell, T, Hoemann, E, Hoffmann, H, Janssens, RVF, Johnson, S, Jones, MD, Junghans, AR, Kelly, N, Kleemann, J, Krishichayan, Little, DR, Ludwig, F, Müller, SE, O'Donnell, D, Papst, O, Pirovano, E, Sinclair, J, Takács, MP, Turkat, S, Urlaß, S, Wagner, A, Werner, V, Wieland, O & Wilhelmy, J 2021, 'Electric and magnetic dipole strength in ⁶⁶Zn', Physical Review C, vol. 103, 024312. https://doi.org/10.1103/PhysRevC.103.024312

TY - JOUR

T1 - Electric and magnetic dipole strength in 66Zn

AU - Schwengner, R.

AU - Massarczyk, R.

AU - Scheck, M.

AU - Tornow, W.

AU - Battaglia, G.

AU - Beck, T.

AU - Bemmerer, D.

AU - Benouaret, N.

AU - Beyer, R.

AU - Butterling, M.

AU - Fiedler, F.

AU - Finch, S. W.

AU - Fransen, C.

AU - Friman-Gayer, U.

AU - Frotscher, A.

AU - Gonzalez, R.

AU - Grieger, M.

AU - Hartmann, A.

AU - Hensell, T.

AU - Hoemann, E.

AU - Hoffmann, H.

AU - Janssens, R. V. F.

AU - Johnson, S.

AU - Jones, M. D.

AU - Junghans, A. R.

AU - Kelly, N.

AU - Kleemann, J.

AU - Krishichayan,

AU - Little, D. R.

AU - Ludwig, F.

AU - Müller, S. E.

AU - O'Donnell, D.

AU - Papst, O.

AU - Pirovano, E.

AU - Sinclair, J.

AU - Takács, M. P.

AU - Turkat, S.

AU - Urlaß, S.

AU - Wagner, A.

AU - Werner, V.

AU - Wieland, O.

AU - Wilhelmy, J.

PY - 2021/2/11

Y1 - 2021/2/11

N2 - The dipole strength of the nuclide 66Zn was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.5 and 13.4 MeV at the γ ELBE facility as well as using quasimonoenergetic and linearly polarized photon beams of 30 energies within the range of 4.3 to 9.9 MeV at the HI γ S facility. A total of 128 J = 1 states were identified, among them 9 with 1+ and 86 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 M 1 strengths from resolved 1+ states are compared with results of large-scale shell-model calculations.

AB - The dipole strength of the nuclide 66Zn was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.5 and 13.4 MeV at the γ ELBE facility as well as using quasimonoenergetic and linearly polarized photon beams of 30 energies within the range of 4.3 to 9.9 MeV at the HI γ S facility. A total of 128 J = 1 states were identified, among them 9 with 1+ and 86 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 M 1 strengths from resolved 1+ states are compared with results of large-scale shell-model calculations.

U2 - 10.1103/PhysRevC.103.024312

DO - 10.1103/PhysRevC.103.024312

M3 - Article

SN - 2469-9985

VL - 103

JO - Physical Review C

JF - Physical Review C

M1 - 024312

ER -

Electric and magnetic dipole strength in 66Zn

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Electric and magnetic dipole strength in ⁶⁶Zn