High-spin states in ^{146}Sm
نویسنده
چکیده
Transitions between states up to spin 16' populated in the ' Nd(a, 4n) reaction were observed using y-y coincidence, y-ray angular distribution and excitation function, and delayed y-ray measurements. A level scheme was constructed up to 6.2 MeV with all levels above 3.8 MeV observed for the first time. Levels below 4.1 MeU were interpreted in terms of the coupling between two extra-core neutrons and excitations of the N = 82 core. Rotational structures and isomers were searched for above 4.1 MeV, but none were
منابع مشابه
Old Sm–Nd ages for cumulate eucrites and redetermination of the solar system initial 146Sm/144Sm ratio
a r t i c l e i n f o Keywords: 146 Sm– 142 Nd systematics eucrites early planetary differentiation isotope distribution through solar system Short-lived 146 Sm– 142 Nd and long-lived 147 Sm– 143 Nd chronometers have been measured in three cumulate eucrites (Binda, Moore County and Moama). The two major mineral phases (plagioclase and pyroxene) present in these achondrites are characterized by ...
متن کاملReaction Rates for 146Sm Production in Supernovae
Correlations of the 142 Nd/ 144 Nd ratio with the Sm/Nd ratio in some meteorites have been previously explained by the-decay of long-lived 146 Sm. In order to account for these observations, a necessary production ratio for 146 Sm/ 144 Sm in the-process of 0.1{0.7 was deduced. The ratio (148 Gd(,n) 147 Gd)/(148 Gd(,) 144 Sm), which plays the dominant role in the production of 146 Sm/ 144 Sm, ha...
متن کاملComment on "three-dimensional, spin-resolved structure of magnetic vortex and antivortex states in patterned co films using scanning ion microscopy with polarization analysis".
Scanning ion microscopy with polarization analysis is utilized for three-dimensional spin mapping of the surface magnetization (SM) of circular Co dots created in situ by focused ion beam etching of 30 nm thin Co/Si(100) films. From 3D scanning ion microscopy with polarization analysis spin maps, direct evidence is found for the existence of vortex-antivortex states with in-plane circular or hy...
متن کاملAn Entanglement Study of Superposition of Qutrit Spin-Coherent States
Considering generalized concurrence as the criterion of entanglement, we study entanglement properties of superposition of two qutrit coherent states, as a function of their amplitudes. These states may attain maximum entanglement or no entanglement at all, depending on the choice of the parameters involved. The states revealing maximum entanglement also display the maximum violations of the Be...
متن کاملVacancy Defects Induced Magnetism in Armchair Graphdiyne Nanoribbon
Spin-polarized electronic and transport properties of Armchair GraphdiyneNanoribbons (A-GDYNR) with single vacancy (SV), two types of configurations fordouble vacancy (DV1, DV2) and multi vacancy (MV) defects are studied by nonequilibriumGreen’s function (NEGF) combined with density functional theory (DFT).The results demonstrate that the A-GDYNR with the SV has the lowe...
متن کامل