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For low energy reaction studies involving radioactive ion beams, the experimental reaction yields are generally small due to the low intensity of the beams. For this reason, the stacked target technique has been often used to measure excitation functions. This technique offers considerable advantages since the reaction cross-section at several energies can be simultaneously measured. In a further effort to increase yields, thick targets are also employed. The main disadvantage of the method is the degradation of the beam quality as it passes through the stack due to the statistical nature of energy loss processes and any nonuniformity of the stacked targets. This degradation can lead to ambiguities of associating effective beam energies to reaction product yields for the targets within the stack and, as a consequence, to an error in the determination of the excitation function for the reaction under study. A thorough …
American Physical Society
Publication date: 
28 Dec 2015

M Fisichella, AC Shotter, A Di Pietro, P Figuera, M Lattuada, C Marchetta, V Privitera, L Romano, C Ruiz, Mile Zadro

Biblio References: 
Volume: 92 Issue: 6 Pages: 064611
Physical Review C