High-spin structure of 134Xe (CROSBI ID 227706)
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Podaci o odgovornosti
Vogt, A. ; Birkenbach, B. ; Reiter, P. ; Blazhev, A. ; Siciliano, M. ; Valiente-Dobón, J.J. ; Wheldon, C. ; Bazzacco, D. ; Bowry, M. ; Bracco, A. ; Bruyneel, B. ; Chakrawarthy, R.S. ; Chapman, R. ; Cline, D. ; Corradi, L. ; Crespi, F.C.L. ; Cromaz, M. ; de Angelis, G. ; Eberth, J. ; Fallon, P. ; Farnea, E. ; Fioretto, E. ; Freeman, S.J. ; Gadea, A. ; Geibel, K. ; Gelletly, W. ; Gengelbach, A. ; Giaz, A. ; Görgen, A. ; Gottardo, A. ; Hayes, A.B. ; Hess, H. ; Hua, H. ; John, P.R. ; Jolie, J. ; Jungclaus, A. ; Korten, W. ; Lee, I.Y. ; Leoni, S. ; Liang, X. ; Lunardi, S. ; Macchiavelli, A.O. ; Menegazzo, R. ; Mengoni, D. ; Michelagnoli, C. ; Mijatovic, Tea ; Montagnoli, G. ; Montanari, D. ; Napoli, D. ; Pearson, C.J. ; Pellegri, L. ; Podolyak, Zs. ; Pollarolo, G. ; Pullia, A. ; Radeck, F. ; Recchia, F. ; Regan, P.H. ; Sahin, E. ; Scarlassara, F. ; Sletten, G. ; Smith, J.F. ; Söderström, P.-A. ; Stefanini, A.M. ; Steinbach, T. ; Stezowski, O. ; Szilner, Suzana ; Szpak, B. ; Teng, R. ; Ur, C. ; Vandone, V. ; Ward, D. ; Warner, D.D. ; Wiens, A. ; Wu, C.Y.
engleski
High-spin structure of 134Xe
Detailed spectroscopic information in the N~82 region is necessary to benchmark shell-model calculations in the region. The nuclear structure above long-lived isomers in 134Xe is investigated after multinucleon transfer (MNT) and actinide fission. 134Xe was populated as (i) a transfer product in 136Xe+238U, and 136Xe+208Pb MNT reactions and (ii) as a fission product in the 136Xe+238U reaction employing the high-resolution Advanced Gamma Tracking Array (AGATA). Trajectory reconstruction has been applied for the complete identification of beamlike transfer products with the magnetic spectrometer PRISMA. The 136Xe+198Pt MNT reaction was studied with the gamma-ray spectrometer GAMMASPHERE in combination with the gas detector array Chico. Several highspin states in 134Xe on top of the two long-lived isomers are discovered based on gamma-gamma coincidence relationships and information on the gamma-ray angular distributions as well as excitation energies from the total kinetic energy loss and fission fragments. The revised level scheme of 134Xe is extended up to an excitation energy of 5.832 MeV with tentative spin-parity assignments up to 16+. Previous assignments of states above the 7- isomer are revised. Latest shell model calculations employing two different effective interactions reproduce the experimental findings quite well and support the new spin and parity assignments.
gamma-spectroscopy ; the neutron-rich Xe ; AGATA and CLARA spectrometers
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