Inclusive energy spectra have been measured for light charged particles emitted in the bombardment of Ta target by 48 Ca ions at 261 MeV and 471 MeV. The reaction products were analyzed and detected by means of a (∆E × E) telescope placed in the focal plane of a magnetic spectrometer located at forward angles with respect to the beam direction. In all the reactions studied light charged particles with an energy close to the respective calculated kinematic limit for a two-body exit channel are produced with relatively great probability. The results obtained make it possible to draw some conclusions about the reaction mechanism involving the emission of light charged particles.
Secondary beams (6 Li, 7 Be, 8 B) were obtained by the separation of fragmentation products of a 15 N ion beam (50 MeV/A) impinging on a Be target using the COMBAS spectrometer. The secondary products were detected by a telescope consisting of five Si-detectors (dE) and a stop CsI(Tl) detector. The telescope allowed us to achieve unambiguous particle identification of fragments originating from incident secondary beams as well as their reaction products resulting from interaction with the Si detectors, chosen as a secondary target. This way, break-up reactions of 6 Li, 7 Be and 8 B have been studied in this experiment, in particular the longitudinal momentum distributions of 7 Be fragments in the break-up of 8 B on a Si have been measured at 30 MeV/A.
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