Monopole Excitation in the Giant-Resonance Region of Pb 208
1976; American Physical Society; Volume: 37; Issue: 5 Linguagem: Inglês
10.1103/physrevlett.37.263
ISSN1092-0145
AutoresH.P. Morsch, P. Decowski, W. Benenson,
Tópico(s)Atomic and Molecular Physics
ResumoInelastic scattering of 45-MeV protons and 70-MeV $^{3}\mathrm{He}$ particles has been used to study the giant-resonance region of $^{208}\mathrm{Pb}$. The giant resonance is found to be highly structured with states of different multipolarities, such as dipole, quadrupole, and octupole. A monopole state is found at 9.11 MeV which exhausts about 2% of the monopole-sum-rule strength.
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