期刊
PHYSICAL REVIEW LETTERS
卷 123, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.123.092501
关键词
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资金
- Royal Society and Newton Fund through the Newton International Fellowship [NF150402]
- United Kingdom Science and Technology Facilities Council (STFC) [ST/P005314/1, ST/L005816/1]
- NSERC [SAPIN-2016-00033]
- National Research Council of Canada
- UK BEIS via STFC Capital [ST/K000373/1, ST/R002363/1]
- STFC DiRAC Operations [ST/R001014/1]
- INCITE Award
- Science and Technology Facilities Council [ST/P005314/1, ST/L005743/1] Funding Source: researchfish
- STFC [ST/T001569/1, ST/R001014/1, ST/M006948/1, ST/M007073/1, ST/R001006/1, ST/M007006/1, ST/M007065/1, ST/S002529/1, ST/T001372/1, ST/R00689X/1, ST/R000832/1, ST/L005743/1, ST/P005314/1, ST/M007618/1, ST/R001049/1, ST/T001348/1, ST/T001550/1] Funding Source: UKRI
We derive ab initio optical potentials from self-consistent Green's function theory and compute the elastic scattering of neutrons off oxygen and calcium isotopes. The comparison with scattering data is satisfactory at low scattering energies. The method is benchmarked against the no-core shell model with continuum calculations, showing that virtual excitations of the target are crucial to predict proper fragmentation and absorption at higher energies. This is a significant step toward deriving optical potentials for medium mass nuclei and complex many-body systems in general.
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