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High-energy breakup of B-8

AuthorsMeister, M.; Cortina-Gil, D.; Fernández-Vázquez, J.; Markenroth, K.; Attallah, F.; Baumann, T.; Benlliure, J.; García Borge, María José ; Chulkov, L. V.; Pramanik, U. Datta; Forssén, C.; Fraile, Luis M. ; Geissel, H.; Gerl, J.; Hammache, F.; Itahashi, K.; Janik, R.; Jonson, B.; Karlsson, S.; Lenske, H.; Mandal, S.; Mocko, M.; Münzenberg, G.; Ohtsubo, T.; Ozawa, A.; Parfenova, Y.; Pribora, V.; Riisager, K.; Scheit, H.; Schmidt, K.; Schrieder, G.; Simon, H.; Sitar, B.; Stolz, A.; Strmen, P.; Sümmerer, K.; Szarka, I.; Wan, S.; Weick, H.; Zhukov, M. V.; Schneider, R.
Issue Date5-May-2003
CitationNuclear Physics A 718: 431-433 (2003)
AbstractOne-proton removal reactions of 936 MeV/u B-8 have been studied with carbon and lead as breakup targets. Using the FRS at GSI, the longitudinal momentum distributions of the Be-7 fragments and the one-proton removal cross section of B-8 were measured. The relative contributions of Be-7 in its ground state and excited state at 429 keV have been determined from measurements of γ rays in coincidence with the fragments from the one-proton removal reaction. The combined data from the two targets allow a determination of the weight of the Be-7*(429) component in the B-8 ground state wave function as (13.3 ± 2.2)%. From this the astrophysical S-17(0) factor is estimated as 19.7 ± 0.5 eV.b.
Description3 pages, 3 figures, 2 tables.
Publisher version (URL)http://dx.doi.org/10.1016/S0375-9474(03)00822-4
Appears in Collections:(CFMAC-IEM) Artículos
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