%0 Journal Article %1 LOHER201672 %A Löher, B. %A Savran, D. %A Aumann, T. %A Beller, J. %A Bhike, M. %A Cooper, N. %A Derya, V. %A Duchêne, M. %A Endres, J. %A Hennig, A. %A Humby, P. %A Isaak, J. %A Kelley, J.H. %A Knörzer, M. %A Pietralla, N. %A Ponomarev, V.Yu. %A Romig, C. %A Scheck, M. %A Scheit, H. %A Silva, J. %A Tonchev, A.P. %A Tornow, W. %A Wamers, F. %A Weller, H. %A Werner, V. %A Zilges, A. %D 2016 %J Physics Letters B %K myown zilges %P 72 - 76 %R https://doi.org/10.1016/j.physletb.2016.02.042 %T The decay pattern of the Pygmy Dipole Resonance of 140Ce %U http://www.sciencedirect.com/science/article/pii/S0370269316001386 %V 756 %X Abstract The decay properties of the Pygmy Dipole Resonance (PDR) have been investigated in the semi-magic N=82 nucleus 140Ce using a novel combination of nuclear resonance fluorescence and γ–γ coincidence techniques. Branching ratios for transitions to low-lying excited states are determined in a direct and model-independent way both for individual excited states and for excitation energy intervals. Comparison of the experimental results to microscopic calculations in the quasi-particle phonon model exhibits an excellent agreement, supporting the observation that the Pygmy Dipole Resonance couples to the ground state as well as to low-lying excited states. A 10% mixing of the PDR and the 21+×PDR is extracted.

@article{LOHER201672, abstract = {Abstract The decay properties of the Pygmy Dipole Resonance (PDR) have been investigated in the semi-magic N=82 nucleus 140Ce using a novel combination of nuclear resonance fluorescence and γ–γ coincidence techniques. Branching ratios for transitions to low-lying excited states are determined in a direct and model-independent way both for individual excited states and for excitation energy intervals. Comparison of the experimental results to microscopic calculations in the quasi-particle phonon model exhibits an excellent agreement, supporting the observation that the Pygmy Dipole Resonance couples to the ground state as well as to low-lying excited states. A 10% mixing of the PDR and the [21+×PDR] is extracted.}, added-at = {2018-01-20T22:21:15.000+0100}, author = {Löher, B. and Savran, D. and Aumann, T. and Beller, J. and Bhike, M. and Cooper, N. and Derya, V. and Duchêne, M. and Endres, J. and Hennig, A. and Humby, P. and Isaak, J. and Kelley, J.H. and Knörzer, M. and Pietralla, N. and Ponomarev, V.Yu. and Romig, C. and Scheck, M. and Scheit, H. and Silva, J. and Tonchev, A.P. and Tornow, W. and Wamers, F. and Weller, H. and Werner, V. and Zilges, A.}, biburl = {https://www.bibsonomy.org/bibtex/294000575f98c649a22f373aabaa6d677/ikpcologne}, description = {The decay pattern of the Pygmy Dipole Resonance of 140Ce - ScienceDirect}, doi = {https://doi.org/10.1016/j.physletb.2016.02.042}, interhash = {1b44478a1a850fd1d4b82fc905536e4b}, intrahash = {94000575f98c649a22f373aabaa6d677}, issn = {0370-2693}, journal = {Physics Letters B}, keywords = {myown zilges}, pages = {72 - 76}, timestamp = {2018-01-21T18:35:33.000+0100}, title = {The decay pattern of the Pygmy Dipole Resonance of 140Ce}, url = {http://www.sciencedirect.com/science/article/pii/S0370269316001386}, volume = 756, year = 2016 }