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New insights into the structure of exotic nuclei using the RISING active stopper

Regan, P. H., Alkhomashi, N., Al-Dahan, N., Podolyák, Z., Suckling, E. B., Stevenson, P. D., Pietri, S. B., Steer, S. J., Garnsworthy, A. B., Gelletly, W., Benlliure, J., Morales, A. I., Gerl, J., Górska, M., Wollersheim, H. J., Kumar, R., Grebosz, J., Algora, A., Benzoni, G., Boutachkov, P. , Bruce, A. M., Casarejos, E., Cullen, I. J., Bacelar, A. M. D., Blazhev, A., Estevez, M. E., Farrelly, G., Fujita, Y., Hoischen, R., Lalkovski, S., Liu, Z., Kojouharov, I., Kurz, N., Mihai, C., Molina, F., Mücher, D., Rubio, B., Schaffner, H., Tashenov, S., Tamii, A., Dobón, J. J. V., Walker, P. M., Woods, P. J., Jolie, J., Zilges, A., Warr, N. and Blazhev, A. (2009) New insights into the structure of exotic nuclei using the RISING active stopper. AIP Conference Proceedings, 1090. pp. 122-129.

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To link to this item DOI: 10.1063/1.3086996


This conference paper outlines the operation and some of the preliminary physics results using the GSI RISING active stopper. Data are presented from an experiment using combined isomer and beta‐delayed gamma‐ray spectroscopy to study low‐lying spectral and decay properties of heavy‐neutron‐rich nuclei around A∼190 produced following the relativistic projectile fragmentation of 208Pb primary beam. The response of the RISING active stopper detector is demonstrated for both the implantation of heavy secondary fragments and in‐situ decay of beta‐particles. Beta‐delayed gamma‐ray spectroscopy following decays of the neutron‐rich nucleus 194Re is presented to demonstrate the experimental performance of the set‐up. The resulting information inferred from excited states in the W and Os daughter nuclei is compared with results from Skyrme Hartree‐Fock predictions of the evolution of nuclear shape.

Item Type:Article
Divisions:No Reading authors. Back catalogue items
ID Code:39232

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