期刊
FEW-BODY SYSTEMS
卷 54, 期 12, 页码 2207-2225出版社
SPRINGER WIEN
DOI: 10.1007/s00601-012-0476-1
关键词
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资金
- National Science Foundation [NSF-PHY-1005587]
- Ohio University
- University of Iowa [DE-FG02-86ER40286]
- U.S. Department of Energy, Office of Nuclear Physics [DE-FG02-93ER40756]
- [NSF-PHY-1005501]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1005501] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1005578] Funding Source: National Science Foundation
We test the operator form of the Fourier transform of the Argonne V18 potential by computing selected scattering observables and all Wolfenstein parameters for a variety of energies. These are compared to the GW-DAC database and to partial wave calculations. We represent the interaction and transition operators as expansions in a spin-momentum basis. In this representation the Lippmann-Schwinger equation becomes a six channel integral equation in two variables. Our calculations use different numbers of spin-momentum basis elements to represent the on- and off-shell transition operators. This is because different numbers of independent spin-momentum basis elements are required to expand the on- and off-shell transition operators. The choice of on and off-shell spin-momentum basis elements is made so that the coefficients of the on-shell spin-momentum basis vectors are simply related to the corresponding off-shell coefficients.
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