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Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
Using an array of high-purity Compton-suppressed germanium detectors, we performed an independent measurement of the beta-decay branching ratio from B-12 to the second-excited state, also known as the Hoyle state, in C-12. Our result is...
Excited states in the neutron-rich isotopes P-33 and P-34 were populated by the O-18 + O-18 fusion-evaporation reaction at E-lab = 24 MeV. The Gammasphere array was used along with the Microball particle detector array to detect gamma...
The quadrupole collectivity of low-lying states and the anomalous behavior of the 0(2)(+) and 2(3)(+) levels in Ge-72 are investigated via projectile multi-step Coulomb excitation with GRETINA and CHICO-2. Atotal of forty six E2 and M1...
The neutron-rich nucleus Ba-144 (t(1/2) = 11.5 s) is expected to exhibit some of the strongest octupole correlations among nuclei with mass numbers A less than 200. Until now, indirect evidence for such strong correlations has been...
Excited states in the N = 88 nucleus 153Tb were observed up to spin ∼40 in an experiment utilizing the Gammasphere array. The 153Tb states were populated in a weak α4n evaporation channel of the 37Cl + 124Sn reaction. Two previously...
Carbon burning is a critical phase for nucleosynthesis in massive stars. The conditions for igniting this burning stage, and the subsequent isotope composition of the resulting ashes, depend strongly on the reaction rate for C-12 + C-12...
Rotational structures have been measured using the Jurogam II and GAMMASPHERE arrays at low spin following the Gd-155(alpha, 2n) Dy-157 and Nd-148(C-12, 5n) Dy-155 reactions at 25 and 65 MeV, respectively. We report high-K bands, which...
A beam containing a substantial component of both the J(pi) = 5(+), T-1/2 = 162 ns isomeric state of F-18 and its 1(+), 109.77-min ground state is utilized to study members of the ground-state rotational band in F-19 through the neutron...
Low-spin states in the neutron-rich, N = 90 nuclide Ba-146 were populated following beta decay of Cs-146, with the goal of clarifying the development of deformation in barium isotopes through delineation of their nonyrast structures....
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