Reduced neutron spectroscopic factors when using potential geometries constrained by Hartree-Fock calculations

2005/11/30 by Jenny Lee, J. A. Tostevin, B. A. Brown +5 · 4 citations
Physics and Astronomy · #Advanced Chemical Physics Studies #Atomic and Molecular Physics #Nuclear physics research studies #nucl-ex

paper · pdf · doi:10.1103/physrevc.73.044608

published as Phys.Rev.C73:044608,2006 · 13 pages, 2 figures, Submitted to Physical Review C

arxiv created 2006/01/27 · openalex publication_date 2006/04/11 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We carry out a systematic analysis of angular distribution measurements for selected ground-state to ground-state (d,p) and (p,d) neutron transfer reactions, including the calcium isotopes. We propose a consistent three-body model reaction methodology in which we constrain the transferred-neutron bound state and nucleon-target optical potential geometries using modern Hartree-Fock calculations. Our deduced neutron spectroscopic factors are found to be suppressed by ~30% relative to independent-particle shell-model values, from ⁴⁰Ca through ⁴⁹Ca. The other nuclei studied, ranging from B to Ti, show similar average suppressions with respect to large-basis shell-model expectations. Our results are consistent with deduced spectroscopic strengths for neutrons and protons from intermediate-energy nucleon knockout reactions and for protons from (e,e^'p) reactions on well-bound nuclei.

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