Journal
PHYSICAL REVIEW LETTERS
Volume 112, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.162503
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Funding
- U.S. Department of Energy, Division of Nuclear Physics [DE-FG02-87ER-40316]
- U.S. National Science Foundation [PHY-0968941, PHY-1304242]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1304242] Funding Source: National Science Foundation
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A comprehensive description of all single-particle properties associated with the nucleus Ca-40 is generated by employing a nonlocal dispersive optical potential capable of simultaneously reproducing all relevant data above and below the Fermi energy. The introduction of nonlocality in the absorptive potentials yields equivalent elastic differential cross sections as compared to local versions but changes the absorption profile as a function of angular momentum suggesting important consequences for the analysis of nuclear reactions. Below the Fermi energy, nonlocality is essential to allow for an accurate representation of particle number and the nuclear charge density. Spectral properties implied by (e, e'p) and (p, 2p) reactions are correctly incorporated, including the energy distribution of about 10% high-momentum nucleons, as experimentally determined by data from Jefferson Lab. These high-momentum nucleons provide a substantial contribution to the energy of the ground state, indicating a residual attractive contribution from higher-body interactions for Ca-40 of about 0.64 MeV/A.
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