Structure of N >= 126 nuclei produced in fragmentation of (238)U

Al Dahan, N.; Podolyak, Z. s.; Regan, P. H.; Steer, S. J.; Alkhomashi, N.; Denis, Bacelar A. M.; Gorska, M.; Pietri, S. B.; Gelletly, W.; Walker, P. M.; Farrelly, G.; Morales, A. I.; Deo, A. Y.; Cullen, I. J.; Gerl, J.; Domingo Pardo, C.; Verma, S.; Swan, T.; Wollersheim, H. J.; Bruce, A. M.; Lalkovski, S.; Benlliure, J.; Algora, A.; Boutachkov, P.; Bracco, A.; Calore, E.; Casarejos, E.; Detistov, P.; Dombradi, Z.; Doncel, M.; Farinon, F.; Geissel, H.; Goel, N.; Grebosz, J.; Hoischen, R.; Kojouharov, I.; Leoni, S.; Molina, F.; Montanari, D.; Musumarra, Agatino; Nicolini, R.; Napoli, D. R.; Nociforo, C.; Rubio, B.; Prochazka, A.; Rudolph, D.; Strmen, P.; Szarka, I.; Valiente Dobon, J. J.; Weick, H.; BE Blazhev, A; Jolie, J; Warr, N; Zilges, A.

doi:10.1063/1.3087001

The nuclear structure of neutron-rich N >= 126 nuclei have been investigated following their production via relativistic projectile fragmentation of a E/A=1 GeV (238)U beam on a Be target. The cocktail of secondary beam products were separated and identified using the GSI FRagment Separator (FRS). The nuclei of interest were implanted in a high-granularity active stopper detector set-up consisting of 6 double sided silicon strip detectors. The associated gammaray transitions were detected with the RISING array, consisting of 15 Euroball cluster Ge-detectors. Time-correlated gamma decays from individually identified nuclear species have been recorded, allowing the clean identification of isomeric decays.

Structure of N >= 126 nuclei produced in fragmentation of (238)U

Al Dahan N.;Podolyak Z.s.;Regan P. H.;Steer S. J.;Alkhomashi N.;Bacelar A. M. Denis;Gorska M.;Pietri S. B.;Gelletly W.;Walker P. M.;Farrelly G.;Morales A. I.;Deo A. Y.;Cullen I. J.;Gerl J.;Domingo Pardo C.;Verma S.;Swan T.;Wollersheim H. J.;Bruce A. M.;Lalkovski S.;Benlliure J.;Algora A.;Boutachkov P.;Bracco A.;Calore E.;Casarejos E.;Detistov P.;Dombradi Z.;Doncel M.;Farinon F.;Geissel H.;Goel N.;Grebosz J.;Hoischen R.;Kojouharov I.;Leoni S.;Molina F.;Montanari D.;MUSUMARRA, Agatino;Nicolini R.;Napoli D. R.;Nociforo C.;Rubio B.;Prochazka A.;Rudolph D.;Strmen P.;Szarka I.;Valiente Dobon J. J.;Weick H.;BE Blazhev A;Jolie J;Warr N;Zilges A.

2009-01-01

Abstract

The nuclear structure of neutron-rich N >= 126 nuclei have been investigated following their production via relativistic projectile fragmentation of a E/A=1 GeV (238)U beam on a Be target. The cocktail of secondary beam products were separated and identified using the GSI FRagment Separator (FRS). The nuclei of interest were implanted in a high-granularity active stopper detector set-up consisting of 6 double sided silicon strip detectors. The associated gammaray transitions were detected with the RISING array, consisting of 15 Euroball cluster Ge-detectors. Time-correlated gamma decays from individually identified nuclear species have been recorded, allowing the clean identification of isomeric decays.