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Positive parity states in {sup 208}Pb excited by the proton decay of the isobaric analog intruder resonance j{sub 15/2} in {sup 209}Bi

Journal Article · · Physical Review. C, Nuclear Physics
 [1]; ; ; ;  [2]; ; ; ; ; ; ; ; ; ; ;  [3];  [4];  [5]; ;  [6]
  1. Max-Planck-Institut fuer Kernphysik, D-69029 Heidelberg (Germany)
  2. Fakultaet fuer Physik, Ludwig-Maximilians--Universitaet Muenchen, D-85748 Garching (Germany)
  3. Physik Department E12, Technische Universitaet Muenchen, D-85748 Garching (Germany)
  4. Institut fuer Kernphysik, Technische Universitaet Darmstadt, D-64289 Darmstadt (Germany)
  5. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520-8120 (United States)
  6. Institut fuer Kernphysik, Universitaet zu Koeln, D-50937 Koeln (Germany)
With the Q3D magnetic spectrograph of the Maier-Leibnitz-Laboratorium at Muenchen at a resolution of about 3 keV, angular distributions and excitation functions of the reaction {sup 208}Pb(p,p{sup '}) were measured at some scattering angles 20 deg. - 138 deg. for several proton energies 14.8-18.1 MeV. All seven known isobaric analog resonances in {sup 209}Bi are covered. By the excitation near the j{sub 15/2} intruder resonance in {sup 209}Bi, several new positive parity states in {sup 208}Pb with excitation energies 4.6-6.2 MeV are identified by comparison of the mean cross section to the known single particle widths. The dominant configuration for 27 positive parity states is determined and compared to the schematic shell model.
OSTI ID:
21389188
Journal Information:
Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 1 Vol. 82; ISSN 0556-2813; ISSN PRVCAN
Country of Publication:
United States
Language:
English