Angular momentum population in the fragmentation of 208Pb at 1 GeV/nucleon

Pfützner, M., Regan, P.H., Walker, P.M., Caamaño, M., Gerl, G., Hellström, M., Mayet, P., Schmidt, K.-H., Podolyák, Zs., Mineva, M.N., Aprahamian, A., Benlliure, J., Bruce, A.M., Butler, P.A., Cortina Gil, D., Cullen, D.M., Döring, J., Enquist, T., Fox, C., Garcés Narro, J., Geissel, H., Gelletly, W., Giovinazzo, J., Górska, M., Grawe, H., Grzywacz, R., Kleinböhl, A., Korten, W., Lewitowicz, M., Lucas, R., Mach, H., O'Leary, C.D., De Oliveira, F., Pearson, C.J., Rejmund, F., Sawicka, M., Schaffner, H., Schlegel, Ch., Schmidt, K., Theisen, Ch., Vivès, F., Warner, D.D., Wheldon, C., Wollersheim, H.J. and Wooding, S. (2002) Angular momentum population in the fragmentation of 208Pb at 1 GeV/nucleon Physical review C, 65 (6). ISSN 0556-2813

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Abstract

A systematic study of the population probabilities of microsecond isomers produced following the fragmentation of 208Pb projectiles at 1 GeV/nucleon has been undertaken at the SIS/FRS facility at GSI Darmstadt. Gamma decays from approximately 20 isomeric states, mainly in the rare-earth and transitional nuclei with A∼180, were identified and the corresponding isomeric ratios deduced. The results are compared with a model based on the statistical abrasion-ablation description of relativistic fragmentation and simple assumptions concerning gamma cascades in the final nucleus (sharp cutoff). The model is found to represent an upper limit for the population of isomeric states in relativistic projectile fragmentation.

Item Type: Journal article
Additional Information: Copyright American Physical Society
Subjects: F000 Physical Sciences > F300 Physics
DOI (a stable link to the resource): 10.1103/PhysRevC.65.064604
Faculties: Faculty of Science and Engineering > School of Computing, Engineering and Mathematics > Engineering and Product Design Research > Nuclear Physics
Depositing User: editor engineering
Date Deposited: 01 Dec 2006
Last Modified: 21 May 2012 11:03
URI: http://eprints.brighton.ac.uk/id/eprint/1466

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