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PreprintarXiv licencearXiv

Neutron-nucleus scattering in an L2-integrable basis

  • Bui Minh Loc
  • Calvin W. Johnson
Open at sourcePDFDOICite

Abstract

First-principles calculations of scattering off quantum many-body systems such as atoms and nuclei is important but nontrivial, requiring large-dimension (103 to 108 or more) bases. For the first time we apply to many-body targets a recently developed approach to find phase shifts in L2-integrable bases, computing neutron-nucleus scattering using the same interactions as ab initio models of nuclei, in very small (dimension 3-6) bases. Our work shows the mean field dominates low-energy nuclear scattering; it also provides a foundation for more efficient future methodologies.

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Cite

BibTeXRIS
BibTeX
@misc{loc2026neutronnucleus,
  title = {{Neutron-nucleus scattering in an $L^2$-integrable basis}},
  author = {Bui Minh Loc and Calvin W. Johnson},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.38338},
  eprint = {2609.38338},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.38338},
}
RIS
TY  - UNPB
TI  - Neutron-nucleus scattering in an L^2-integrable basis
AU  - Bui Minh Loc
AU  - Calvin W. Johnson
PY  - 2026
DA  - 2026/09/29
PB  - arXiv
DO  - 10.48550/arxiv.2609.38338
UR  - https://arxiv.org/abs/2609.38338
AB  - First-principles calculations of scattering off quantum many-body systems such as atoms and nuclei is important but nontrivial, requiring large-dimension (10^3 to 10^8 or more) bases. For the first time we apply to many-body targets a recently developed approach to find phase shifts in L^2-integrable bases, computing neutron-nucleus scattering using the same interactions as ab initio models of nuclei, in very small (dimension 3-6) bases. Our work shows the mean field dominates low-energy nuclear scattering; it also provides a foundation for more efficient future methodologies.
ER  -