The contribution of two-particle ladder and RPA terms to the effective interaction in A = 18 nuclei

B. R. Barrett

doi:10.1016/0370-2693(72)90159-1

The contribution of two-particle ladder and RPA terms to the effective interaction in A = 18 nuclei

B. R. Barrett

Physics

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17 Scopus citations

Abstract

Two-particle ladder and RPA terms are included in the perturbation expansion for the effective interaction θ in A = 18 nuclei through third order in the reaction matrix. Although the possibility of convergence is improved, this improvement is questionable, because of double counting. Ways for improving the calculation of θ are discussed.

Original language	English (US)
Pages (from-to)	371-375
Number of pages	5
Journal	Physics Letters B
Volume	38
Issue number	6
DOIs	https://doi.org/10.1016/0370-2693(72)90159-1
State	Published - Mar 20 1972

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/0370-2693(72)90159-1

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title = "The contribution of two-particle ladder and RPA terms to the effective interaction in A = 18 nuclei",

abstract = "Two-particle ladder and RPA terms are included in the perturbation expansion for the effective interaction θ in A = 18 nuclei through third order in the reaction matrix. Although the possibility of convergence is improved, this improvement is questionable, because of double counting. Ways for improving the calculation of θ are discussed.",

author = "Barrett, {B. R.}",

note = "Funding Information: * Work supported in part by NSF (Grant GP-29250).",

year = "1972",

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doi = "10.1016/0370-2693(72)90159-1",

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AU - Barrett, B. R.

N1 - Funding Information: * Work supported in part by NSF (Grant GP-29250).

PY - 1972/3/20

Y1 - 1972/3/20

N2 - Two-particle ladder and RPA terms are included in the perturbation expansion for the effective interaction θ in A = 18 nuclei through third order in the reaction matrix. Although the possibility of convergence is improved, this improvement is questionable, because of double counting. Ways for improving the calculation of θ are discussed.

AB - Two-particle ladder and RPA terms are included in the perturbation expansion for the effective interaction θ in A = 18 nuclei through third order in the reaction matrix. Although the possibility of convergence is improved, this improvement is questionable, because of double counting. Ways for improving the calculation of θ are discussed.

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JO - Physics Letters B

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The contribution of two-particle ladder and RPA terms to the effective interaction in A = 18 nuclei

Abstract

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