Pairing-quadrupole interplay in the neutron-deficient tin nuclei: First lifetime measurements of low-lying states in 106,108Sn (CROSBI ID 278770)
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Siciliano, M. ; Valiente-Dobon, J. J. ; Goasduff, A. ; Nowacki, F. ; Zuker, A. P. ; Bazzacco, D. ; Lopez-Martens, A. ; Clement, E. ; Benzoni, G. ; Braunroth, T. ; Crespi, F. C. L. ; Cieplicka-Orynczak, N. ; Doncel, M. ; Ertuerk, S. ; de France, G. ; Fransen, C. ; Gadea, A. ; Georgiev, G. ; Goldkuhle, A. ; Jakobsson, U. ; Jaworski, G. ; John, P. R. ; Kuti, I ; Lemasson, A. ; Marchi, T. ; Mengoni, D. ; Michelagnoli, C. ; Mijatovic, Tea ; Muller-Gatermann, C. ; Napoli, D. R. ; Nyberg, J. ; Palacz, M. ; Perez-Vidal, R. M. ; Saygi, B. ; Sohler, D. ; Szilner, Suzana ; Testov, D. ; Zielinska, M. ; Barrientos, D. ; Birkenbach, B. ; Boston, H. C. ; Boston, A. J. ; Cederwall, B. ; Collado, J. ; Cullen, D. M. ; Desesquelles, P. ; Domingo-Pardo, C. ; Dudouet, J. ; Eberth, J. ; Egea-Canet, F. J. ; Gonzalez, V ; Harkness-Brennan, L. J. ; Hess, H. ; Judson, D. S. ; Jungclaus, A. ; Korten, W. ; Labiche, M. ; Lefevre, A. ; Leoni, S. ; Li, H. ; Maj, A. ; Menegazzo, R. ; Million, B. ; Pullia, A. ; Recchia, F. ; Reiter, P. ; Salsac, M. D. ; Sanchis, E. ; Stezowski, O. ; Theisen, Ch.
engleski
Pairing-quadrupole interplay in the neutron-deficient tin nuclei: First lifetime measurements of low-lying states in 106,108Sn
The lifetimes of the low-lying excited states 2+ and 4+ have been directly measured in the neutron-deficient 106, 108Sn isotopes. The nuclei were populated via a deep-inelastic reaction and the lifetime measurement was performed employing a differential plunger device. The emitted γ rays were detected by the AGATA array, while the reaction products were uniquely identified by the VAMOS++ magnetic spectrometer. Large-Scale Shell-Model calculations with realistic forces indicate that, independently of the pairing content of the interaction, the quadrupole force is dominant in the B(E2 ; 21+→0g.s.+) values and it describes well the experimental pattern for 104−114Sn ; the B(E2 ; 41+→21+) values, measured here for the first time, depend critically on a delicate pairing-quadrupole balance, disclosed by the very precise results in 108Sn.
Lifetime ; Nuclear structure ; Multi-nucleon transfer ; Light Sn ; Tracking array
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