High-spin structure in the transitional nucleus 1 131Xe: Competitive neutron and proton alignment in the vicinity of the N = 82 shell closure
- Kaya, L
- Vogt, A
- Reiter, P
- Siciliano, M
- Birkenbach, B
- Blazhev, A
- Coraggio, L
- Teruya, E
- Yoshinaga, N
- Higashiyama, K
- Arnswald, K
- Bazzacco, D
- Bracco, A
- Bruyneel, B
- Corradi, L
- Crespi, F
- de Angelis, G
- Eberth, J
- Farnea, E
- Fioretto, E
- Fransen, C
- Fu, B
- Gadea, A
- Gargano, A
- Giaz, A
- Görgen, A
- Gottardo, A
- Hadynska-Klek, Katarzyna
- Hess, H
- Hetzenegger, R
- Hirsch, R
- Itaco, N
- John, P
- Jolie, J
- Jungclaus, A
- Korten, W
- Leoni, S
- Lewandowski, L
- Lunardi, S
- Menegazzo, R
- Mengoni, D
- Michelagnoli, C
- Mijatović, T
- Montagnoli, G
- Montanari, D
- Müller-Gatermann, C
- Napoli, D
- Podolyak, Zsolt
- Pollarolo, G
- Pullia, A
- Queiser, M
- Recchia, F
- Rosiak, D
- Saed-Samii, N
- Şahin, E
- Scarlassara, F
- Schneiders, D
- Seidlitz, M
- Siebeck, B
- Smith, J
- Söderström, P-A
- Stefanini, A
- Steinbach, T
- Stezowski, O
- Szilner, S
- Szpak, B
- Ur, C
- Valiente-Dobón, J
- Wolf, K
- Zell, K
DOIAbstract
The transitional nucleus 131Xe is investigated after multinucleon transfer (MNT) in the 136Xe+208Pb and 136Xe+238U reactions employing the high-resolution Advanced GAmma Tracking Array (AGATA) coupled to the magnetic spectrometer PRISMA at the Laboratori Nazionali di Legnaro, Italy and as an elusive reaction product in the fusion-evaporation reaction 124Sn(11B,p3n) 131Xe employing the HORUS γ-ray array coupled to a double-sided silicon strip detector (DSSSD) at the University of Cologne, Germany. The level scheme of 131Xe is extended to 5 MeV. A pronounced backbending is observed at ~ω ≈ 0.4 MeV along the negative-parity one-quasiparticle νh11/2(α = −1/2) band. The results are compared to the high-spin systematics of the Z = 54 isotopes and...
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