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NSR database version of May 3, 2024.

Search: Author = O.C.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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