The differential cross sections for elastic scattering of deuterons from l 6 0 have been measured in the Ed = 1.0. -. 2.5 MeV region at eight scattering angles. Resonances were observed at Ed = 1.00, 1.80 and 2.45 MeV, corresponding to the excited states in I8F at 8. 40, 9.11 and 9.69 MeV. Analysis of the data in terms of the single-level approximation leads to the assignments I" = 1+, 3+ and 2+, respectively. Reduced partial widths for elastic scattering were determined.
Photoemulsions were irradiated to 8.4, 9.6, 69 GeV/c protons and 4.2 GeV/c/nucleon l zC ions. Large stars, having a number of heavily ionizing particles n,>28, were selected for this study. These events represent the catastrophic destruction of AgBr emulsion nuclei. Multiplicity, angular and energy distributions of particles, produced in this case, were studied at different momenta and for different incident particles. It was shown that the products of complete destruction of heavy nuclei are nearly individual nucleons. The probability of this phenomenon increases with the projectile mass number. About half of nuclear matter is knocked out of the target nucleus with energy higher than 30 MeV/nucleon. The average multiplicity of s-particles ffs is weakly dependent on the target nucleus mass number whereas the average multiplicity of g-particles ~g is strongly dependent on it. The modified pre-equilibrium model gives a satisfactory description for the energy spectrum of the emitted slow protons.
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