Cross sections are measured for 16 O collisions with A1 and Pb. Dependences on beam momentum and atomic number are compared with data obtained at much lower beam momenta.
MODEL DEPENDENT ESTIMATION.
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Total interaction cross sections have been measured for 8 Li on C and Pb targets, for 9 Li on C, Al, Cu, Sn and Pb targets, as well as for 11 Li on C, Sn and Pb targets at about 80 MeV/nucleon. In addition, 2n-removal cross sections for 11 Li have been extracted. These measurements are used to determine the nuclear and the electromagnetic part of the cross sections for the different projectile-target combinations. The experimental results are compared to different model calculations. These comparisons allow one to draw conclusions on the matter density distribution of the neutron-rich lithium isotope 11 Li. By comparing our data on the electromagnetic dissociation of 11 Li with all the other data available in the literature, we are able to put constraints on the dipole-strength distribution in 11 Li.
Axis error includes +- 0.0/0.0 contribution (?////).
Cross sections for charge changing and particle production are measured for 32 S collisions with Al, Fe, Cu, Ag and Pb targets at 200 GeV/ c . The measured difference between the two cross sections is discussed. Results are compared with data obtained with an 16 O beam.
Charge changing cross section.
Production cross section.