Haefner, G., Lozeva, R., Naidja, H., Lebois, M., Jovancevic, N., Thisse, D., Etasse, D., Canavan, R. L., Rudigier, M., Wilson, J. N., Adamska, E., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Collins, S. M., Cortes, M. L., Davies, P. J., Delafosse, C., Fallot, M., Fraile, L. M., Gerst, R-B, Gjestvang, D., Guadilla, V, Hauschild, K., Henrich, C., Homm, I, Ibrahim, F., Iskra, L. W., Jazwari, S., Korgul, A., Koseoglou, P., Kroell, Th, Kurtukian-Nieto, T., Le-meur, L., Leoni, S., Ljungvall, J., Lopez-Martens, A., Matthieu, L., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa-Silkowska, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Tello, D. Reygadas, Rezynkina, K., Sanchez-Tembleque, V, Schmitt, C., Soederstroem, P-A, Suerder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M. S., Zeiser, F. and Ziliani, S. (2021). First lifetime investigations of N > 82 iodine isotopes: The quest for collectivity. Phys. Rev. C, 104 (1). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

We report on spectroscopic information and lifetime measurements in the neutron-rich I-135,I-137,I-139 isotopes. This is the first lifetime data on iodine isotopes beyond N = 82. Excited states were populated in fast neutron-induced fission of U-238 at the ALTO facility of IJCLab with the LICORNE neutron source and detected using the hybrid nu-ball spectrometer. The level schemes of the I-135,I-137,I-139 isotopes are revised in terms of excited states with up to maximum spin-parity of (33/2(+)), populated for the first time in fast neutron-induced fission. We provide first results on the lifetimes of the (9/2(1)(+)) and (13/2(1)(+)) states in I-137 and I-139, and the (17/2(1)(+)) state in 137I. In addition, we give upper lifetime limits for the (11/2(1)(+)) states in I135-139, the (15/2(1)(+)) state in I-137, the (17/2(1)(+)) state in I-139, and reexamine the (29/2(1)(+)) state in I-137. The isomeric data in I-13(5) are reinvestigated, such as the previously known (15/2(1)(+)) and (23/21) isomers with T-1/2 of 1.64(14) and 4.6(7) ns, respectively, as obtained in this work. The new spectroscopic information is compared to that from spontaneous or thermal-neutron induced fission and discussed in the context of large scale shell-model (LSSM) calculations for the region beyond Sn-132, indicating the behavior of collectivity for the three valence-proton iodine chain with N = 82, 84, 86.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Haefner, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lozeva, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Naidja, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lebois, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jovancevic, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Thisse, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Etasse, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Canavan, R. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rudigier, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wilson, J. N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Adamska, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Adsley, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Algora, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Babo, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Belvedere, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benito, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benzoni, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blazhev, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Boso, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bottoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bunce, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chakma, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cieplicka-Orynczak, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Collins, S. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cortes, M. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Davies, P. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Delafosse, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fallot, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fraile, L. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerst, R-BUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gjestvang, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Guadilla, VUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hauschild, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Henrich, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Homm, IUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ibrahim, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Iskra, L. W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jazwari, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korgul, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koseoglou, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kroell, ThUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kurtukian-Nieto, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Le-meur, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Leoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ljungvall, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lopez-Martens, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Matthieu, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Miernik, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nemer, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Oberstedt, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Paulsen, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Piersa-Silkowska, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Popovitch, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Porzio, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Qi, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ralet, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regan, P. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tello, D. ReygadasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rezynkina, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sanchez-Tembleque, VUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schmitt, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soederstroem, P-AUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Suerder, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tocabens, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vedia, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Verney, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warr, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wasilewska, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wiederhold, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yavahchova, M. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zeiser, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ziliani, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-607077
DOI: 10.1103/PhysRevC.104.014316
Journal or Publication Title: Phys. Rev. C
Volume: 104
Number: 1
Date: 2021
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; NEUTRON-RICH NUCLEI; SHELL-MODEL; YRAST EXCITATIONS; SN-132; GENERATION; FISSION; ISOMER; DECAYMultiple languages
Physics, NuclearMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/60707

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