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The light sigma meson | | V.V. Anisovich
; V.A. Nikonov
; | | Date: |
9 Jun 2000 | | Journal: | Eur.Phys.J. A8 (2000) 401-404 | | Subject: | hep-ph | | Abstract: | In the framework of the dispersion relation N/D-approach, we restore the low-energy pi-pi (IJ^{PC}=00^{++})-wave amplitude sewing it with the previously obtained K-matrix solution for the region 450-1900 MeV. The restored N/D-amplitude has a pole on the second sheet of the complex-s plane near the pi-pi threshold, that is the light sigma meson. | | Source: | arXiv, hep-ph/0006083 | | Services: | Forum | Review | PDF | Favorites | |
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