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Absolute cross sections of (γ, n ) transitions in lead, bismuth, and terbium were measured using thermal neutron capture photons, and a high resolution neutron spectrometer. The measured (γ, n ) cross sections were compared with predictions of the Direct-Semi-Direct (DSD) and the compound...
The electromagnetic decay of the nuclei Dy 1 5 2 , 1 5 4 , 1 5 6 is analyzed using microscopic Hartree-Fock calculations at finite temperature. The theoretical collective transition probabilities are implemented in numerical simulations to produce theoretical spectra. Thermal shape fluctuations...
Within a multichannel, multirank model of wide applicability, resonances in complex systems are studied. In particular, compound resonances, which are well observed in nuclear systems can be clearly examined as arising from bound states in subsystems of the coupled-channel system. A less well...
Proton yields in the energy range of ∼10–30 MeV have been measured in the reactions C 12 + 93 Nb at E ( 12 C)=40, 45, 50, and 56 MeV and C 12 + 103 Rh at E ( 12 C)=53 MeV at θ lab =125° and 155°. From these measurements the energy variation of the total nuclear level density has been...
Differential and total cross sections for π + absorption on Li 6 leading to the pp + 4 He g . s final state are presented at incident pion energies of 100 and 165 MeV. The narrow width of the pp angular correlation is observed and reported.
Within the one level R -matrix approach several hindrance factors for the radioactive decays in which are emitted He 4 , C 14 , and O 20 atomic nuclei are calculated. The interior wave functions are supposed to be given by the recently proposed enlarged superfluid model, an extension of the...
We measure the mass of the lowest T =2 state in K 36 by observing β-delayed protons following the superallowed Ca 36 decay and use this result to make a precise test of the isobaric multiplet mass equation.
The schematic model proposed by Moszkowski to study the interplay between single particle and collective degrees of freedom is extended to a heterogeneous system of protons and neutrons. The pairing correlations are also introduced. The magnetic states are defined with respect to an gerR 3 group...
We use a simple potential model to calculate low-lying mirror states of Be 11 and N 11 . We make predictions for energies and widths in N 11 .
A quasipotential formalism for elastic scattering from relativistic bound states is based on applying an instant constraint to both initial and final states in the Breit frame. This formalism is advantageous for the analysis of electromagnetic interactions because current conservation and four...
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