John, P. R., Modamio, V., Valiente-Dobon, J. J., Mengoni, D., Lunardi, S., Rodriguez, T. R., Bazzacco, D., Gadea, A., Wheldon, C., Alexander, T., de Angelis, G., Ashwood, N., Barr, M., Benzoni, G., Birkenbach, B., Bizzeti, P. G., Bizzeti-Sona, A. M., Bottoni, S., Bowry, M., Bracco, A., Browne, F., Bunce, M., Camera, F., Cederwall, B., Corradi, L., Crespi, F. C. L., Desesquelles, P., Eberth, J., Farnea, E., Fioretto, E., Goergen, A., Gottardo, A., Grebosz, J., Grente, L., Hess, H., Jungclaus, A., Kokalova, Tz., Korichi, A., Korten, W., Kusoglu, A., Lenzi, S., Leoni, S., Ljungvall, J., Maron, G., Meczynski, W., Melon, B., Menegazzo, R., Michelagnoli, C., Mijatovic, T., Million, B., Molini, P., Montagnoli, G., Montanari, D., Napoli, D. R., Nolan, P., Oziol, Ch., Podolyak, Zs., Pollarolo, G., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Roberts, O. J., Rosso, D., Sahin, E., Salsac, M. -D., Scarlassara, F., Sferrazza, M., Simpson, J., Soderstrom, P. -A., Stefanini, A. M., Stezowski, O., Szilner, S., Theisen, Ch., Ur, C. A. and Walshe, J. (2014). Shape evolution in the neutron-rich osmium isotopes: Prompt gamma-ray spectroscopy of Os-196. Phys. Rev. C, 90 (2). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

The shape transition in the neutron-rich Os isotopes is studied by investigating the neutron-rich Os-196 nucleus through in-beam gamma-ray spectroscopy using a two-proton transfer reaction from a Pt-198 target to a Se-82 beam. The beam-like recoils were detected and identified with the large-acceptance magnetic spectrometer PRISMA, and the coincident gamma rays were measured with the advanced gamma tracking array (AGATA) demonstrator. The de-excitation of the low-lying levels of the yrast-band of Os-196 were identified for the first time. The results are compared with state-of-the-art beyond-mean-field calculations, performed for the even-even Os188-198 isotopes. The new results suggest a smooth transition in the Os isotopes from a more axial rotational behavior towards predominately vibrational nuclei through triaxial configurations. An almost perfect gamma-unstable/triaxial rotor yrast band is predicted for Os-196 which is in agreement with the experimentally measured excited states.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
John, P. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Modamio, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Valiente-Dobon, J. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mengoni, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lunardi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rodriguez, T. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bazzacco, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gadea, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wheldon, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Alexander, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
de Angelis, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ashwood, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Barr, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benzoni, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Birkenbach, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bizzeti, P. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bizzeti-Sona, A. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bottoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bowry, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bracco, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Browne, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bunce, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Camera, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cederwall, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Corradi, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F. C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Desesquelles, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Eberth, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Farnea, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fioretto, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Goergen, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gottardo, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grebosz, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grente, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hess, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jungclaus, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kokalova, Tz.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korichi, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korten, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kusoglu, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lenzi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Leoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ljungvall, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Maron, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Meczynski, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Melon, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Menegazzo, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Michelagnoli, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mijatovic, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Million, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Molini, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Montagnoli, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Montanari, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napoli, D. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nolan, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Oziol, Ch.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pollarolo, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pullia, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Quintana, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Recchia, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Roberts, O. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rosso, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sahin, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Salsac, M. -D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scarlassara, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sferrazza, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Simpson, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soderstrom, P. -A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stefanini, A. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stezowski, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Szilner, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Theisen, Ch.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ur, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Walshe, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-432028
DOI: 10.1103/PhysRevC.90.021301
Journal or Publication Title: Phys. Rev. C
Volume: 90
Number: 2
Date: 2014
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1089-490X
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
COEXISTENCE; TRANSITIONS; ISOMERS; OSMultiple languages
Physics, NuclearMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/43202

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