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Cross-section data for 33 nuclides have been obtained radiochemically and used to construct a mass-yield curve for the fission of U 238 induced by 31-MeV He 3 ions. The mass range studied was 24 ≤ A ≤ 212 and the yields varied over seven orders of magnitude. The data for Na 24 , Mg 28 , Si 31...
A new 3.0±0.1-sec activity with a 6.1±0.3-MeV β endpoint energy was assigned to an isomer of Mn 58 . The decay of the 65-sec Mn 58 isomer was studied and a β -decay Q value of 6.1±0.2 MeV determined.
The O + - 2 + cross sections for inelastic proton scattering have been calculated for several target nuclei in the 2 s - 1 d shell. Inelastic cross sections are calculated in the distorted-wave Born approximation. Hartree-Fock wave functions projected onto states of good angular momentum...
Measurements of the radiative decay of the triplet of levels at 1.346, 1.459, and 1.554 MeV in F 19 have been made with a Ge(Li) γ -ray spectrometer. Results of lifetime measurements for these states when averaged with previous work are, respectively, τ m = 4.9 ± 0.5 psec, 0.084±0.020 psec,...
Under the assumption that isospin is a good quantum number, the available data on the magnetic moments and the β -decay ft values for isospin doublets have been analyzed. Systematic information concerning the distribution of angular momentum between the orbital angular momentum and the spin and...
The low-lying levels in Cl 35 were populated by the reaction S 34 ( d , n ) Cl 35 at 4.95 MeV. The neutron spectrum was measured using the time-of-flight technique. Interpretation of the angular distribution of the neutrons, together with results of previous experiments, confirmed or determined...
The inclusion of charge-exchange effects in direct-reaction theory is discussed and a number of experimental results are then treated: the threshold effect in Zr 90 ( d , p ) and Mo 92 ( d , p ) excitation curves in the region of the ( d , n ) threshold to the analog of the parent state, and the...
The kinetic energies of the fission fragments and of the light particle emitted in triton- and proton-accompanied fission of Cf 252 were measured in a four-parameter correlation experiment. Assuming that the average total kinetic energy of the fragments in long-range alpha fission (LRA fission)...
Calculations of high-energy ( 40 ≲ E γ ≲ 350 MeV) photon-nucleus ( A ≳ 12 ) collisions have been carried out. The results of the initial interaction of the photon with the nucleus are obtained either from Levinger's quasideuteron model or, when energetically possible, from one of the...
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