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Author Adams, J. P. ♦ Castel, B. ♦ Sagawa, H.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PHYSICS ♦ ELECTRIC RESONANCE ♦ DIPOLES ♦ LEAD 208 ♦ NEUTRONS ♦ ELECTRON REACTIONS ♦ EXCITATION ♦ EXOTIC RESONANCES ♦ GIANT RESONANCE ♦ PARTICLE-HOLE MODEL ♦ PHOTONEUTRONS ♦ RANDOM PHASE APPROXIMATION
Abstract Neutron halos and their relations to the structure of {ital E}1 resonances are examined in a microscopic random phase approximation continuum calculation of {sup 208}Pb. Our results predict the occurrence of small but distinct {ital E}1 peaks located in the low energy tail of the giant dipole resonance and consisting of highly coherent neutron particle-hole excitations whose energy and strength are found to correspond well to photoneutron and electron scattering data. This work suggests that the high current interest in the appearance of neutron halos in light exotic nuclei could constructively be channeled to investigate similar occurrences in heavier systems where model calculations have already been thoroughly tested. {copyright} {ital 1996 The American Physical Society.}
ISSN 05562813
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-02-01
Publisher Place United States
Journal Physical Review, C
Volume Number 53
Issue Number 2


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