Krzysiek, M., Kmiecik, M., Maj, A., Bednarczyk, P., Ciemala, M., Fornal, B., Grebosz, J., Mazurek, K., Meczynski, W., Zieblinski, M., Crespi, F. C. L., Bracco, A., Benzoni, G., Blasi, N., Boiano, C., Bottoni, S., Brambilla, S., Camera, F., Giaz, A., Leoni, S., Million, B., Morales, A. I., Nicolini, R., Pellegri, L., Riboldi, S., Vandone, V., Wieland, O., De Angelis, G., Napoli, D. R., Valiente-Dobon, J. J., Bazzacco, D., Farnea, E., Gottardo, A., Lenzi, S., Lunardi, S., Mengoni, D., Michelagnoli, C., Recchia, F., Ur, C., Gadea, A., Huyuk, T., Barrientos, D., Birkenbach, B., Geibel, K., Hess, H., Reiter, P., Steinbach, T., Wiens, A., Burger, A., Gorgen, A., Guttormsen, M., Larsen, A. C. and Siem, S. (2014). Study of the soft dipole modes in Ce-140 via inelastic scattering of O-17. Phys. Scr., 89 (5). BRISTOL: IOP PUBLISHING LTD. ISSN 1402-4896

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Abstract

The main aim of this study was a deeper understanding of the nuclear structure properties of the soft dipole modes in Ce-140, excited via inelastic scattering of weakly bound O-17 projectiles. An important aim was to investigate the 'splitting' of the PDR into two parts: a low-energy isoscalar component dominated by neutron-skin oscillations and a higher-energy component lying on the tail of the giant dipole resonance of a rather isovector character. This was already observed for this nucleus, investigated in (alpha, alpha') and (gamma,gamma') experiments. The experiment was performed at Laboratori Nazionali di Legnaro, Italy. Inelastic scattering of O-17 ion beam at 20 MeV A(-1) was used to excite the resonance modes in the Ce-140 target. Gamma-rays were registered by five triple clusters of AGATA-Demonstrator and nine large volume scintillators (LaBr3). The scattered O-17 ions were identified by two Delta E - E Si telescopes of the TRACE array mounted inside the scattering chamber. The telescopes consisted of two segmented Si-pad detectors, each of 60 pixels. Very preliminary data have shown a strong domination of the E1 transitions in the 'pygmy' region with a character more similar to the one obtained in alpha scattering experiment.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Krzysiek, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kmiecik, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Maj, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bednarczyk, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ciemala, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fornal, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grebosz, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mazurek, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Meczynski, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zieblinski, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F. C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bracco, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benzoni, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blasi, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Boiano, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bottoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Brambilla, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Camera, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Giaz, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Leoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Million, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Morales, A. I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nicolini, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pellegri, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Riboldi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vandone, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wieland, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
De Angelis, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napoli, D. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Valiente-Dobon, J. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bazzacco, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Farnea, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gottardo, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lenzi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lunardi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mengoni, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Michelagnoli, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Recchia, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ur, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gadea, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Huyuk, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Barrientos, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Birkenbach, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Geibel, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hess, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Steinbach, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wiens, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Burger, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gorgen, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Guttormsen, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Larsen, A. C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Siem, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-439061
DOI: 10.1088/0031-8949/89/5/054016
Journal or Publication Title: Phys. Scr.
Volume: 89
Number: 5
Date: 2014
Publisher: IOP PUBLISHING LTD
Place of Publication: BRISTOL
ISSN: 1402-4896
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
Physics, MultidisciplinaryMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/43906

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