Coulomb corrections to nuclear scattering lengths and effective ranges for weakly bound systems

V. D. Mur, V. S. Popov, A. V. Sergeev

Research output: Contribution to journalArticle

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Abstract

A procedure is considered for extracting the purely nuclear scattering length as and effective range rs (which correspond to a strong-interaction potential Vs with disregarded Coulomb interaction) from the experimentally determined nuclear quantities acs and rcs, which are modified by Coulomb interaction. The Coulomb renormalization of as and rs is especially strong if the system under study involves a level with energy close to zero (on the nuclear scale). This applies to formulas that determine the Coulomb renormalization of the low-energy parameters of s scattering (l = 0). Detailed numerical calculations are performed for coefficients appearing in the equations that determine Coulomb corrections for various models of the potential Vs(r). This makes it possible to draw qualitative conclusions about the dependence of Coulomb corrections on the form of the strong-interaction potential and, in particular, on its small-distance behavior. A considerable enhancement of Coulomb corrections to the effective range rs is found for potentials with a barrier.

Original languageEnglish
Pages (from-to)62-71
Number of pages10
JournalPhysics of Atomic Nuclei
Volume59
Issue number1
Publication statusPublished - Jan 1996
Externally publishedYes

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nuclear scattering
interactions
energy
augmentation
coefficients
scattering

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

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Coulomb corrections to nuclear scattering lengths and effective ranges for weakly bound systems. / Mur, V. D.; Popov, V. S.; Sergeev, A. V.

In: Physics of Atomic Nuclei, Vol. 59, No. 1, 01.1996, p. 62-71.

Research output: Contribution to journalArticle

Mur, V. D. ; Popov, V. S. ; Sergeev, A. V. / Coulomb corrections to nuclear scattering lengths and effective ranges for weakly bound systems. In: Physics of Atomic Nuclei. 1996 ; Vol. 59, No. 1. pp. 62-71.
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