An inclusive electron scattering experiment on 16O and 40Ar is presented. The ADONE electron storage ring, a clustered jet-target and a BGO calorimeter to detect electrons were used. Spectra were collected at beam energies from 0.5 up to 1.5 GeV and at laboratory scattering angles from 32 degrees to 83 degrees . The Coulomb sum rule integrated in the quasi-elastic peak at 570 and 800 MeV/c momentum transfer was measured in 16O and our 40Ar results were compared with the available data on 40Ca.
We present the total photonuclear cross section for Be and C measured between 200 and 1100 MeV, with the aim of clarifying the existence of a resonant behavior in the region above the Δ. We used a tagged photon beam and the transmission technique. The results show no evidence of baryon resonances that are clearly seen at ≊700 and ≊1000 MeV in photon absorption on the proton and the deuteron
The photofission cross section of ' Th was measured in the energy range 250 -1200 MeV using a monochromatic tagged photon beam and a parallel-plate avalanche detector. The Th nuclear photofissility was obtained by measuring simultaneously and in the same energy range the photofission cross section of 'U and assuming a photofissility equal to one for 'U. It was found that, contrary to the case for heavier actinides, the Th photofissility value does not saturate up to 1200 MeV. Rather, it lies between 0.6 and 0.8, and shows a weak energy dependence: it increases by about 15% over an interval of 1 GeV. A comparison of these experimental findings with the predictions of an intranuclearcascade Monte Carlo calculation is given. PACS number(s): 25.20.Lj, 25.85.Jg
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