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Toy Model for Pion Production II: The role of three-particle singularities | | A. Motzke
; Ch. Elster
; C. Hanhart
; | | Date: |
16 Jul 2002 | | Journal: | Phys.Rev. C66 (2002) 054002 | | Subject: | nucl-th | | Abstract: | The influence of three-particle breakup singularities on s-wave meson production in nucleon-nucleon collisions is studied within the distorted wave Born approximation. This study is based on a simple scalar model for the two-nucleon interaction and the production mechanism. An algorithm for the exact numerical treatment of the inherent three-body cuts, together with its straightforward implementation is presented. It is also shown that two often-used approximations to avoid the calculation of the three-body breakup are not justified. The possible impact on pion production observables is discussed. | | Source: | arXiv, nucl-th/0207047 | | Services: | Forum | Review | PDF | Favorites | |
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