Analog of the T> giant dipole resonance in light nuclei

S. Mordechai, C. L. Morris, J. M. O'Donnell, M. A. Kagarlis, D. Fink, H. T. Fortune, D. L. Watson, R. Gilman, H. Ward, A. Williams, Sung Hoon Yoo, C. Fred Moore

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16 Scopus citations


Giant resonances were observed in (π+-) double charge exchange on 13C, 27Al, and 59Co at excitation energies of 8.8, 14.2, and 27.9 MeV, respectively, where the giant dipoles built on the isobaric analog states are expected to appear. Partial angular distributions were measured for both 13C and 27Al and observed to have a dipole shape. The resonance on the T=1/2 targets has a single isospin value (T=3/2) and is the analog of the T> giant dipole state in the above nuclei. The results are in good agreement with photonuclear reactions and indicate a new general method for an accurate determination of the T>=T+1 giant dipole state in T=1/2 nuclei.

Original languageEnglish
Pages (from-to)1111-1115
Number of pages5
JournalPhysical Review C - Nuclear Physics
Issue number3
StatePublished - 1 Jan 1991

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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