Nuclear data sheets for A = 133

On the difference between proton and neutron spin-orbit splittings in nuclei

“…In the 132 Sn region, the energy of the 3/2 + proton state in 133 Sb was recently determined [2] at 2.44 MeV. Using this value and the previously determined single particle excitations in nuclei close to 132 Sn (see [1,[6][7][8][9]) the spin-orbit splittings of the 2d levels both in proton and neutron systems at 132 Sn can be now defined. The 2d 3/2 −2d 5/2 splitting was found to be 1.48 MeV for protons and 1.65 MeV for neutrons.…”

“…Here, the energies of the particle and hole states closest to the Fermi level were determined from the differences of binding energies of the core and the corresponding adjacent odd nuclei: ε(particle)=B(core)-B(core+nucleon) and ε(hole)=B(core-nucleon)-B(core), using the experimental binding energies from [5]. The energies of orbitals more distant from the Fermi-level were subsequently defined by the addition (subtraction) of the experimentally determined excitation energies [1,2,[6][7][8][9][10][11] of the corresponding orbitals in the adjacent odd nuclei. Important for this process is that we have accounted for the fragmentation of states in the cases when the pertinent data were available.…”

Medidas Precisas de Energias de Transições Gama em Coincidência: Espectroscopia das Séries do 232U e 233U

“…As energias de referência utilizadas nestes ajustes são os próprios valores apresentados na Tabela 5-1 e correspondem aos dados do Nuclear Data Sheets [17][18][19][20][21][22][23][24][25][26][27] publicados até o final do ano de 1997. [17][18][19][20][21][22][23][24][25][26][27] , correspondendo, no caso dos gamas selecionados para calibração (X na coluna "Cal.…”

“…[17][18][19][20][21][22][23][24][25][26][27] . As observações estão comentadas na seção 5.1 (Resultados separados por nuclídeo).…”

“…Os resultados obtidos neste trabalho mostraram-se consistentes com os valores compilados [17][18][19][20][21][22][23][24][25][26][27] , tendo uma única inconsistência (transição de 117.2 keV do 209 Tl). Porém, resultados recentes da energia dessa transição [28,29] , sugerem haver alguma dificuldade intrínseca nas medidas.…”