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Article overview
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Extraction of scattering lengths from final-state interactions | | A. Gasparyan
; J. Haidenbauer
; C. Hanhart
; | | Date: |
22 Jun 2005 | | Journal: | Phys.Rev. C72 (2005) 034006 | | Subject: | nucl-th | | Abstract: | A recently proposed method based on dispersion theory, that allows to extract the scattering length of a hadronic two-body system from corresponding final-state interactions, is generalized to the situation where the Coulomb interaction is present. The steps required in a concrete practical application are discussed in detail. In addition a thorough examination of the accuracy of the proposed method is presented and a comparison is made with results achieved with other methods like the Jost-function approach based on the effective-range approximation. Deficiencies of the latter method are pointed out. The reliability of the dispersion theory method for extracting also the effective range is investigated. | | Source: | arXiv, nucl-th/0506067 | | Services: | Forum | Review | PDF | Favorites | |
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