E. A. McCutchan
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View article: High-spin spectroscopy and the onset of quasicollective structures in $^{69}$Ga
High-spin spectroscopy and the onset of quasicollective structures in $^{69}$Ga Open
The intermediate- and high-spin level structure of the odd-$A$ $^{69}$Ga nucleus was investigated via the $^{26}$Mg($^{48}$Ca, $p4nγ$) fusion evaporation reaction at a beam energy of 195 MeV. The experiment was performed using the Gammasph…
View article: Determination of the spins and parities for the 04+ and 05+ states in Zr100
Determination of the spins and parities for the 04+ and 05+ states in Zr100 Open
Two 0+ states at 1294.5 and 1774.0 keV, together with three 2+ and one 4+ levels, were identified or unambiguously spin-parity assigned for the first time in Zr100 utilizing γ-ray spectroscopy and γ-γ angular correlation techniques with th…
View article: Determination of the spins and parities for the $0$$^{+}_{4}$ and $0$$^{+}_{5}$ states in <sup>100</sup>Zr
Determination of the spins and parities for the $0$$^{+}_{4}$ and $0$$^{+}_{5}$ states in <sup>100</sup>Zr Open
Two 0+ states at 1294.5 and 1774.0 keV, together with three 2+ and one 4+ levels, were identified or unambiguously spin-parity assigned for the first time in 100Zr utilizing γ-ray spectroscopy and γ-γ angular correlation techniques with th…
View article: Determination of the spins and parities for the $0^+_4$ and $0^+_5$ states in $^{100}Zr$
Determination of the spins and parities for the $0^+_4$ and $0^+_5$ states in $^{100}Zr$ Open
Two 0+ states at 1294.5 and 1774.0 keV, together with three 2+ and one 4+ levels, were identified or unambiguously spin-parity assigned for the first time in 100Zr utilizing γ-ray spectroscopy and γ-γ angular correlation techniques with th…
View article: Examination of decay heat measurements and their relevance for understanding the origin of the reactor antineutrino anomaly
Examination of decay heat measurements and their relevance for understanding the origin of the reactor antineutrino anomaly Open
Measurements of the decay energy released as a function of time following the thermal neutron induced fission of 235U and 239,241Pu were performed in the 1970s at Oak Ridge National Laboratory with the purpose of quantifying possible loss …
View article: The current status of inelastic and capture Gamma-ray production evaluations in translated ENDF-VIII.0 GNDS files and recommended remediation actions
The current status of inelastic and capture Gamma-ray production evaluations in translated ENDF-VIII.0 GNDS files and recommended remediation actions Open
This report provides the status of discrete nuclear levels and inelastic gamma-ray production for neutron induced reactions in current ENDF-VIII.0 evaluations for the isotopes in the GRIN project. Different categories of issues are identif…
View article: United States Nuclear Data Program: Work Plan for Fiscal Year 2023
United States Nuclear Data Program: Work Plan for Fiscal Year 2023 Open
The work plan described in this document has been developed to cover work to be performed by the U. S. Nuclear Data Program (USNDP) during Fiscal Year (FY) 2023 that begins on October 1, 2022. Previously, 23 work plans have been prepared f…
View article: United States Nuclear Data Program Annual Report for FY2021
United States Nuclear Data Program Annual Report for FY2021 Open
The US Nuclear Data Program (USNDP) Annual Report for Fiscal Year 2021 (FY21) summarizes the work of USNDP for the period of October 1, 2020 through September 30, 2021, with respect to the Work Plan for FY21 that was prepared in 2019. The …
View article: Current nuclear data needs for applications
Current nuclear data needs for applications Open
Accurate nuclear data provide an essential foundation for advances in a wide range of fields, including nuclear energy, nuclear safety and security, safeguards, nuclear medicine, and planetary and space exploration. In these and other crit…
View article: Can decay heat measurements tell us something about the Reactor Antineutrino Anomaly?
Can decay heat measurements tell us something about the Reactor Antineutrino Anomaly? Open
Measurements of the decay energy released as a function of time following the thermal neutron induced fission on $^{235}$U and $^{239,241}$Pu were performed in the 1970s at Oak Ridge National Laboratory with the purpose of quantifying poss…
View article: Development of a Reference Database for Beta-Delayed Neutron Emission
Development of a Reference Database for Beta-Delayed Neutron Emission Open
Beta-delayed neutron emission is important for nuclear structure and astrophysics as well as for reactor applications. Significant advances in nuclear experimental techniques in the past two decades have led to a wealth of new measurements…
View article: International network of nuclear structure and decay data evaluators
International network of nuclear structure and decay data evaluators Open
Compilation, evaluation and dissemination of nuclear data are arduous tasks that rely on contributions from experts in both the basic and applied sciences communities whose efforts are coordinated by the International Atomic Energy Agency …
View article: What can we learn from the Interacting Boson Model in the limit of large boson numbers?
What can we learn from the Interacting Boson Model in the limit of large boson numbers? Open
Over the years, studies of collective properties of medium and heavy mass nuclei in the framework of the Interacting Boson Approximation (IBA) model have focused on finite boson numbers, corresponding to valence nucleon pairs in specific n…
View article: Exactly separable version of the Bohr Hamiltonian with the Davidson potential
Exactly separable version of the Bohr Hamiltonian with the Davidson potential Open
An exactly separable version of the Bohr Hamiltonian, is obtained by using a potential of the form V (β, γ) = u(β) + u(γ)/β2, with a Davidson potential for u(β) and a stiff harmonic oscillator potential centered around γ = 0o, for u(γ).Usi…
View article: Connecting the X(5)-β2, X(5)-β4, and X(3) models to the shape/phase transition region of the Interacting Boson Model
Connecting the X(5)-β2, X(5)-β4, and X(3) models to the shape/phase transition region of the Interacting Boson Model Open
The parameter independent (up to overall scale factors) predictions of the X(5)-β2, X(5)-β4, and X(3) models, which are variants of the X(5) critical point symmetry developed within the framework of the geometric collective model, are comp…
View article: Backbending, seniority, and Pauli blocking of pairing correlations at high rotational frequencies in rapidly rotating nuclei
Backbending, seniority, and Pauli blocking of pairing correlations at high rotational frequencies in rapidly rotating nuclei Open
Garrett et al. systematically investigated band-crossing frequencies resulting from the rotational alignment of the first pair of $i_{13/2}$ neutrons (AB) in rare-earth nuclei. In that study, evidence was found for an odd-even neutron numb…
View article: Revealing fine structure in the antineutrino spectra from a nuclear reactor
Revealing fine structure in the antineutrino spectra from a nuclear reactor Open
Here, we calculate the Inverse Beta Decay (IBD) antineutrino spectrum generated by nuclear reactors using the summation method to understand deviations from the smooth Huber-Mueller model due to the decay of individual fission products, sh…