Kaya, L., Vogt, A., Reiter, P., Mueller-Gatermann, C., Gargano, A., Coraggio, L., Itaco, N., Blazhev, A., Arnswald, K., Bazzacco, D., Birkenbach, B., Bracco, A., Bruyneel, B., Corradi, L., Crespi, F. C. L., de Angelis, G., Droste, M., Eberth, J., Farnea, E., Fioretto, E., Fransen, C., Gadea, A., Giaz, A., Gorgen, A., Gottardo, A., Hadynska-Klek, K., Hess, H., Hetzenegger, R., Hirsch, R., John, P. R., Jolie, J., Jungclaus, A., Korten, W., Leoni, S., Lewandowski, L., Lunardi, S., Menegazzo, R., Mengoni, D., Michelagnoli, C., Mijatovic, T., Montagnoli, G., Montanari, D., Napoli, D., Podolyak, Zs, Pollarolo, G., Recchia, F., Rosiak, D., Saed-Samii, N., Sahin, E., Siciliano, M., Scarlassara, F., Seidlitz, M., Soderstrom, P-A, Stefanini, A. M., Stezowski, O., Szilner, S., Szpak, B., Ur, C., Valiente-Dobon, J. J., Weinert, M., Wolf, K. and Zell, K. O. (2019). Identification of high-spin proton configurations in Ba-136 and Ba-137. Phys. Rev. C, 99 (1). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

The high-spin structures of Ba-136 and Ba-137 are investigated after multinucleon-transfer (MNT) and fusion-evaporation reactions. Ba-136 is populated in a Xe-136 + U-238 MNT reaction employing the high-resolution Advanced GAmma Tracking Array (AGATA) coupled to the magnetic spectrometer PRISMA at the Laboratori Nazionali di Legnaro, Italy, and in two Be-9 + Te-130 fusion-evaporation reactions using the High-efficiency Observatory for gamma-Ray Unique Spectroscopy (HORUS) at the FN tandem accelerator of the University of Cologne, Germany. Furthermore, both isotopes are populated in an elusive reaction channel in the B-11 + Te-130 fusion-evaporation reaction utilizing the HORUS gamma-ray array. The level scheme above the J(pi) = 10(+) isomer in Ba-136 is revised and extended up to an excitation energy of approximately 5.5 MeV. From the results of angular-correlation measurements, the E-x = 3707- and E-x = 4920-keV states are identified as the bandheads of positive- and negative-parity cascades. While the high-spin regimes of both Te-132 and Xe-134 are characterized by high-energy 12(+) -> 10(+) transitions, the Ba-136 E2 ground-state band is interrupted by negative-parity states only a few hundred keV above the J(pi) = 10(+) isomer. Furthermore, spins are established for several hitherto unassigned high-spin states in Ba-137. The new results close a gap along the high-spin structure of N < 82 Ba isotopes. Experimental results are compared to large-scale shell-model calculations employing the GCN50:82, Realistic SM, PQM130, and SN100PN interactions. The calculations suggest that the bandheads of the positive-parity bands in both isotopes are predominantly of proton character.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Kaya, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vogt, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mueller-Gatermann, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gargano, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Coraggio, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Itaco, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blazhev, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Arnswald, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bazzacco, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Birkenbach, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bracco, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruyneel, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Corradi, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F. C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
de Angelis, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Droste, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Eberth, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Farnea, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fioretto, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fransen, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gadea, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Giaz, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gorgen, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gottardo, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hadynska-Klek, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hess, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hetzenegger, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hirsch, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
John, P. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jolie, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jungclaus, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korten, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Leoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lewandowski, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lunardi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Menegazzo, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mengoni, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Michelagnoli, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mijatovic, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Montagnoli, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Montanari, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napoli, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, ZsUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pollarolo, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Recchia, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rosiak, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Saed-Samii, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sahin, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Siciliano, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scarlassara, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Seidlitz, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soderstrom, P-AUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stefanini, A. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stezowski, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Szilner, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Szpak, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ur, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Valiente-Dobon, J. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Weinert, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wolf, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zell, K. O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-159655
DOI: 10.1103/PhysRevC.99.014301
Journal or Publication Title: Phys. Rev. C
Volume: 99
Number: 1
Date: 2019
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; 1ST EXCITED-STATE; SHELL-MODEL; LEVEL STRUCTURE; MAGNETIC-MOMENTS; BETA-DECAY; ISOMER; SPECTROSCOPY; PIMultiple languages
Physics, NuclearMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/15965

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