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NSR database version of April 27, 2024.

Search: Author = O.Gorton

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2023GO06      Phys.Rev. C 107, 044612 (2023)

O.C.Gorton, J.E.Escher

Cross sections for neutron-induced reactions from surrogate data: Reexamining the Weisskopf-Ewing approximation for (n, n') and (n, 2n) reactions

NUCLEAR REACTIONS ⁹⁰Zr(n, X), E=4.94-19.86 MeV; ¹⁵⁷Gd(n, X), E=6.85-14.77 MeV; ²⁸³U(n, X), E=5.95-15.15 MeV; ⁹²Zr(p, d), E=28.5 MeV; ⁹⁵Mo(d, p), E=12.4 MeV; calculated spin-parity distributions for compound nuclei, probabilities for neutron emission from the ⁹¹Zr, ¹⁵⁸Gd and ²⁸³U compound nucleus as function of excitation energy. ⁹⁰Zr(n, n'), (n, 2n)E<35 MeV; ¹⁵⁷Gd, ²⁸³U(n, n'), (n, 2n)E<25 MeV; calculated σ from simulated surrogate reaction data using the Weisskopf-Ewing assumption and various schematic spin-parity distributions. Investigated potential use of the Weisskopf-Ewing approximation for determining (n, n') and (n, 2n) cross sections from surrogate reaction data.

doi: 10.1103/PhysRevC.107.044612
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2023JO06      J.Phys.(London) G50, 045110 (2023)

C.W.Johnson, O.C.Gorton

Proton-neutron entanglement in the nuclear shell model

NUCLEAR STRUCTURE ²⁰Ne, ³⁶Ar, ²²Na, ³⁴Cl, ²⁴Mg, ³²S, ²⁶Al, ³⁰P, ²⁸Si, ^28,40Ne, ⁵⁶Ar; calculated the proton-neutron entanglement entropy in the interacting nuclear shell model for a variety of nuclides and interactions; deduced that the entanglement entropy at low excitation energy tends to decrease for nuclides when N is not equal Z.

doi: 10.1088/1361-6471/acbece
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2020OL07      Phys.Rev. C 102, 055806 (2020)

O.Olivas-Gomez, A.Simon, O.Gorton, J.E.Escher, E.Churchman, P.Millican, R.Kelmar, C.S.Reingold, A.M.Clark, N.Cooper, C.Harris, S.L.Henderson, S.E.Kelly, F.Naqvi, A.Palmisano, D.Robertson, E.Stech, A.Spyrou, W.P.Tan

Measurements of proton capture in the A = 100-100 mass region: Constraints on the ¹¹¹In(γ, p)/(γ, n) branching point relevant to the γ process

NUCLEAR REACTIONS ¹⁰²Pd(p, γ)¹⁰³Ag, E=4-8 MeV; ¹⁰⁸Cd(p, γ)¹⁰⁹In, E=3.5=7 MeV; ¹¹⁰Cd(p, γ)¹¹¹In, E=3-6 MeV; measured Eγ, Iγ, summed γ spectra using a high efficiency total absorption spectrometer and γ-summing technique at the 10-MV FN Tandem Van de Graaff accelerator of the University of Notre Dame; deduced capture σ(E) for the ground states, total σ(E), constrain Hauser-Feshbach parameters used in TALYS 1.9. Comparison with theoretical predictions from the NON-SMOKER code, and with Hauser-Feshbach statistical calculations. Recommended (γ, p) and (γ, n) stellar photodissociation decay rates for ¹⁰³Ag, ¹⁰⁹In and ¹¹¹In for T=1-10 GK. Relevance to γ process is an explosive astrophysical scenario.

doi: 10.1103/PhysRevC.102.055806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2602.

Note: The following list of authors and aliases matches the search parameter O.Gorton: , O.C.GORTON