John, P. R., Valiente-Dobon, J. J., Mengoni, D., Modamio, V., Lunardi, S., Bazzacco, D., Gadea, A., Wheldon, C., Rodriguez, T. R., 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., Corradi, L., Crespi, F. C. L., Melon, B., Farnea, E., Fioretto, E., Gottardo, A., Grente, L., Hess, H., Kokalova, Tz., Korten, W., Kusoglu, A., Lenzi, S., Leoni, S., Ljungvall, J., Menegazzo, R., Michelagnoli, C., Mijatovic, T., Montagnoli, G., Montanari, D., Napoli, D. R., Podolyak, Zs., Pollarolo, G., Recchia, F., Reiter, P., Roberts, O. J., Sahin, E., Salsac, M. -D., Scarlassara, F., Sferrazza, M., Soderstrom, P. -A., Stefanini, A. M., Szilner, S., Ur, C. A., Vogt, A. and Walshe, J. (2017). In-beam gamma-ray spectroscopy of the neutron-rich platinum isotope Pt-200 toward the N=126 shell gap. Phys. Rev. C, 95 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

The neutron-rich nucleus Pt-200 is investigated via in-beam gamma-ray spectroscopy to study the shape evolution in the neutron-rich platinum isotopes towards the N = 126 shell closure. The two-neutron transfer reaction Pt-198(Se-82, Se-80)Pt-200 is used to populate excited states of Pt-200. The Advanced Gamma Ray Tracking Array (AGATA) demonstrator coupled with the PRISMA spectrometer detects gamma rays coincident with the Se-80 recoils, the binary partner of Pt-200. The binary partner method is applied to extract the gamma-ray transitions and build the level scheme of Pt-200. The level at 1884 keV reported by Yates et al. [S. W. Yates, E. M. Baum, E. A. Henry, L. G. Mann, N. Roy, A. Aprahamian, R. A. Meyer, and R. Estep, Phys. Rev. C 37, 1889 (1988)] was confirmed to be at 1882.1 keV and assigned as the (6(1)(+)) state. An additional gamma ray was found and it presumably deexcites the (8(1)(+)) state. The results are compared with state-of-the-art beyond mean-field calculations, performed for the even-even Pt190-204 isotopes, revealing that Pt-200 marks the transition from the gamma-unstable behavior of lighter Pt nuclei towards a more spherical one when approaching the N = 126 shell closure.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
John, P. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Valiente-Dobon, J. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mengoni, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Modamio, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lunardi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bazzacco, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gadea, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wheldon, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rodriguez, T. R.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
Corradi, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F. C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Melon, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Farnea, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fioretto, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gottardo, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grente, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hess, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kokalova, Tz.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korten, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kusoglu, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lenzi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Leoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ljungvall, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Menegazzo, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Michelagnoli, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mijatovic, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Montagnoli, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Montanari, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napoli, D. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pollarolo, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Recchia, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Roberts, O. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sahin, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Salsac, M. -D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scarlassara, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sferrazza, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soderstrom, P. -A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stefanini, A. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Szilner, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ur, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vogt, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Walshe, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-227484
DOI: 10.1103/PhysRevC.95.064321
Journal or Publication Title: Phys. Rev. C
Volume: 95
Number: 6
Date: 2017
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 2469-9993
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
NUCLEAR-DATA SHEETS; ROTATION-ALIGNMENT; SHAPE COEXISTENCE; ISOMERS; PT-190; COLLECTIVITY; STATES; EVEN; HG; OSMultiple languages
Physics, NuclearMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/22748

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