Ground state partial radiative widths of /sup 207/Pb + n resonances and M1 and E2 strengths in /sup 208/Pb

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Ground state partial radiative widths of neutron resonances in /sup 207/Pb + n have been measured. A resonance analysis has been carried out in a complete manner below 700 keV neutron energy, and for selected strongly radiation resonances up to 1 MeV. The total magnetic dipole strength detected above neutron separation energy is only 6.8 ..mu../sub 0//sup 2/, but the observed appreciable fragmentation of the M1 strength suggests that considerable strength is missed at excitation energies above 8 MeV. The electric quadrupole strength observed between neutron separation energy and 8.2 MeV is distributed rather uniformly, and corresponds to 4.9% of ... continued below

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Pages: 4

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Weigmann, H.; Koehler, R.; Poortmans, F.; Raman, S. & Wartena, J.A. August 1, 1987.

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Ground state partial radiative widths of neutron resonances in /sup 207/Pb + n have been measured. A resonance analysis has been carried out in a complete manner below 700 keV neutron energy, and for selected strongly radiation resonances up to 1 MeV. The total magnetic dipole strength detected above neutron separation energy is only 6.8 ..mu../sub 0//sup 2/, but the observed appreciable fragmentation of the M1 strength suggests that considerable strength is missed at excitation energies above 8 MeV. The electric quadrupole strength observed between neutron separation energy and 8.2 MeV is distributed rather uniformly, and corresponds to 4.9% of the energy-weighted sum-rule for isoscalar E2 transitions. 10 refs., 2 figs.

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Pages: 4

Notes

NTIS, PC A02/MF A01; 1.

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  • 6. international symposium on capture gamma-ray spectroscopy, Leuven, Belgium, 31 Aug 1987

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  • Other: DE87012933
  • Report No.: CONF-8708101-10
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 6083318
  • Archival Resource Key: ark:/67531/metadc1110995

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  • August 1, 1987

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  • Feb. 22, 2018, 7:45 p.m.

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  • March 28, 2018, 12:51 p.m.

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Weigmann, H.; Koehler, R.; Poortmans, F.; Raman, S. & Wartena, J.A. Ground state partial radiative widths of /sup 207/Pb + n resonances and M1 and E2 strengths in /sup 208/Pb, article, August 1, 1987; United States. (digital.library.unt.edu/ark:/67531/metadc1110995/: accessed August 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.