Zago, L., Gottardo, A., Valiente-Dobon, J. J., Benzoni, G., Gadea, A., Gorska, M., Lunardi, S., Podolyak, Zs., Regan, P. H., Rudolph, D., Algora, A., de Angelis, G., Bazzacco, D., Benlliure, J., Boutachkov, R., Bracco, A., Bruce, A. M., Camera, F., Casarejos, E., Cortes, M. L., Crespi, F. C. L., Corsi, A., Domingo-Pardo, C., Doncel, M., Engert, T., Geissel, H., Gerl, J., Goasduff, A., Goel, N., Grebosz, J., Gregor, E., Habermann, T., Klupp, S., Kojouharov, I., Kurz, N., Lenzi, S. M., Leoni, S., Mandal, S., Menegazzo, R., Mengoni, D., Million, B., Morales, A. I., Napoli, D. R., Naqvi, F., Nociforo, C., Pfiitzner, M., Pietri, S., Prochazka, A., Recchia, F., Sahin, E., Schaffner, H., Sharma, A., Sitar, B., Siwal, D., Strmen, R., Szarka, I., Ur, C. A., Walker, P. M., Weick, H., Wieland, O. and Wollersheime, H. -J. (2022). High-spin states in Po-212 above the alpha-decaying (18(+)) isomer. Phys. Lett. B, 834. AMSTERDAM: ELSEVIER. ISSN 1873-2445

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Abstract

The nucleus Po-212 has been produced through the fragmentation of a U-238 primary beam at 1GeV/nucleon at GSI, separated with the FRagment Separator, FRS, and studied via isomer gamma-decay spectroscopy with the RISING setup. Two delayed previously unknown gamma rays have been observed. One has been attributed to the E3 decay of a 21(-) isomeric state feeding the alpha-emitting 45-s (18(+)) high-spin isomer. The other gamma-ray line has been assigned to the decay of a higher-lying 23(+) metastable state. These are the first observations of high-spin states above the Po-212 (18(+)) isomer, by virtue of the selectivity obtained via ion-by-ion identification of U-238 fragmentation products. Comparison with shell-model calculations points to shortfalls in the nuclear interactions involving high- jproton and neutron orbitals, to which the region around Z similar to 100 is sensitive. (C) 2022 The Authors. Published by Elsevier B.V.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Zago, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gottardo, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Valiente-Dobon, J. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benzoni, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gadea, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gorska, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lunardi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regan, P. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rudolph, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Algora, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
de Angelis, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bazzacco, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benlliure, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Boutachkov, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bracco, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruce, A. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Camera, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Casarejos, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cortes, M. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F. C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Corsi, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Domingo-Pardo, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Doncel, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Engert, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Geissel, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerl, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Goasduff, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Goel, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grebosz, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gregor, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Habermann, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Klupp, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kojouharov, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kurz, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lenzi, S. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Leoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mandal, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Menegazzo, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mengoni, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Million, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Morales, A. I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napoli, D. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Naqvi, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nociforo, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pfiitzner, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pietri, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Prochazka, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Recchia, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sahin, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schaffner, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sharma, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sitar, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Siwal, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Strmen, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Szarka, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ur, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Walker, P. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Weick, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wieland, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wollersheime, H. -J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-696684
DOI: 10.1016/j.physletb.2022.137457
Journal or Publication Title: Phys. Lett. B
Volume: 834
Date: 2022
Publisher: ELSEVIER
Place of Publication: AMSTERDAM
ISSN: 1873-2445
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SHELL-MODEL; RADIOACTIVE BEAM; EXCITED-STATES; FRAGMENTATION; SPECTROSCOPY; POPULATIONMultiple languages
Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & FieldsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/69668

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