Decay pattern of the Pygmy Dipole Resonance in 140Ce

Decay pattern of the Pygmy Dipole Resonance in 140Ce

The decay behavior of low-lying dipole states in 140Ce was investigated exploiting the γ3-setup at the HIγS facility using quasi-monochromatic photon beams. Branching ratios of individual excited states as well as average branching ratios to low-lying states have been extracted using γ – γ coinciden...

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Hauptverfasser: Isaak, J, Löher, B, Savran, D, Aumann, T, Beller, J, Cooper, N, Derya, V, Duchêne, M, Endres, J, Fiori, E, Kelley, J H, Knörzer, M, Pietralla, N, Ponomarev, VYu, Romig, C, Scheck, M, Scheit, H, Silva, J, Tonchev, A P, Tornow, W, Weller, H R, Werner, V, Zilges, A, Zweidinger, M
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Decay
Dipoles
Photon beams
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Zusammenfassung:The decay behavior of low-lying dipole states in 140Ce was investigated exploiting the γ3-setup at the HIγS facility using quasi-monochromatic photon beams. Branching ratios of individual excited states as well as average branching ratios to low-lying states have been extracted using γ – γ coincidence measurements. The comparison of the average branching ratios to QPM calculations shows a remarkable agreement between experiment and theory in the energy range from 5.0 to 8.5 MeV.
ISSN:2101-6275
2100-014X
DOI:10.1051/epjconf/20159301048