Journal
PHYSICAL REVIEW C
Volume 87, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.87.044326
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Funding
- National Science Foundation [PHY-1002478]
- Department of Energy [DE-FG02-96ER40963, DE-AC05-00OR22725, DE-SC0008499, DE-SC0008533]
- Swedish Research Council
- U.S. Department of Energy (DOE) [DE-SC0008533] Funding Source: U.S. Department of Energy (DOE)
- Direct For Mathematical & Physical Scien
- Division Of Physics [1002478] Funding Source: National Science Foundation
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Recent work has shown that a finite harmonic oscillator basis in nuclear many-body calculations effectively imposes a hard-wall boundary condition in coordinate space, motivating infrared extrapolation formulas for the energy and other observables. Here we further refine these formulas by studying two-body models and the deuteron. We accurately determine the box size as a function of the model space parameters, and compute scattering phase shifts in the harmonic oscillator basis. We show that the energy shift can be well approximated in terms of the asymptotic normalization coefficient and the bound-state momentum, discuss higher-order corrections for weakly bound systems, and illustrate this universal property using unitarily equivalent calculations of the deuteron. DOI: 10.1103/PhysRevC.87.044326
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