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

Journal Article · Sat Apr 15 00:00:00 EDT 2006 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PhysRevC.73.044608· OSTI ID:20771462

Lee, Jenny; Brown, B A; Delaunay, F; Lynch, W G; Saelim, M J; Tsang, M B ^[1]; Tostevin, J A ^[1]

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1. National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 (United States)

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 {approx}30% relative to independent-particle shell-model values, from {sup 40}Ca through {sup 49}Ca. 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{sup '}p) reactions on well-bound nuclei.

• OSTI ID: 20771462
• Journal Information: Physical Review. C, Nuclear Physics, Vol. 73, Issue 4; Other Information: DOI: 10.1103/PhysRevC.73.044608; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
BOUND STATE
CALCIUM 40
CALCIUM 49
DEUTERON REACTIONS
ELECTRON REACTIONS
ELECTRONS
GEOMETRY
GROUND STATES
HARTREE-FOCK METHOD
KNOCK-OUT REACTIONS
NEUTRON TRANSFER
OPTICAL MODELS
POTENTIALS
PROTON-NUCLEON INTERACTIONS
PROTONS
SHELL MODELS
SPECTROSCOPIC FACTORS
THREE-BODY PROBLEM
TRANSFER REACTIONS