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Low-energy dipole modes of excitation below the neutron separation energy

Publication ,  Journal Article
Tonchev, AP; Angell, C; Boswell, M; Howell, CR; Karwowski, HJ; Kelley, JH; Tornow, W; Tsoneva, N
Published in: AIP Conference Proceedings
March 13, 2006

The nuclear resonance fluorescence experiments have been performed at the High Intensity Gamma Source (HIγS) on 138Ba nuclei using four 60% efficient HPGe detectors. Excitation energies, spin, parities, and decay branching ratios were measured for the low-energy dipole modes of excitations. Experimental results on the parity measurement below the neutron separation energy shows that all dipole states in this energy region exhibit E1 excitation. These results are consistent with theoretical prediction of the collective isoscalar nature of this low-energy mode of excitation. © 2006 American Institute of Physics.

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Published In

AIP Conference Proceedings

DOI

EISSN

1551-7616

ISSN

0094-243X

Publication Date

March 13, 2006

Volume

819

Start / End Page

350 / 354
 

Citation

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Tonchev, A. P., Angell, C., Boswell, M., Howell, C. R., Karwowski, H. J., Kelley, J. H., … Tsoneva, N. (2006). Low-energy dipole modes of excitation below the neutron separation energy. AIP Conference Proceedings, 819, 350–354. https://doi.org/10.1063/1.2187883
Tonchev, A. P., C. Angell, M. Boswell, C. R. Howell, H. J. Karwowski, J. H. Kelley, W. Tornow, and N. Tsoneva. “Low-energy dipole modes of excitation below the neutron separation energy.” AIP Conference Proceedings 819 (March 13, 2006): 350–54. https://doi.org/10.1063/1.2187883.
Tonchev AP, Angell C, Boswell M, Howell CR, Karwowski HJ, Kelley JH, et al. Low-energy dipole modes of excitation below the neutron separation energy. AIP Conference Proceedings. 2006 Mar 13;819:350–4.
Tonchev, A. P., et al. “Low-energy dipole modes of excitation below the neutron separation energy.” AIP Conference Proceedings, vol. 819, Mar. 2006, pp. 350–54. Scopus, doi:10.1063/1.2187883.
Tonchev AP, Angell C, Boswell M, Howell CR, Karwowski HJ, Kelley JH, Tornow W, Tsoneva N. Low-energy dipole modes of excitation below the neutron separation energy. AIP Conference Proceedings. 2006 Mar 13;819:350–354.

Published In

AIP Conference Proceedings

DOI

EISSN

1551-7616

ISSN

0094-243X

Publication Date

March 13, 2006

Volume

819

Start / End Page

350 / 354