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Updated analysis of $pi$N elastic scattering data to 2.1~GeV: The Baryon Spectrum | | R.A. Arndt
; I.I. Strakovsky
; R.L. Workman
; M.M. Pavan
; | | Date: |
29 May 1995 | | Journal: | Phys.Rev. C52 (1995) 2120-2130 | | Subject: | nucl-th | | Abstract: | We present the results of energy-dependent and single-energy partial-wave analyses of $pi$N elastic scattering data with laboratory kinetic energies below 2.1~GeV. Resonance structures have been extracted using Breit-Wigner fits, speed plots, and a complex plane mapping of the associated poles and zeroes. This is the first set of resonance parameters from a VPI analysis constrained by fixed-t dispersion relations. We have searched our solutions for structures which may have been missed in our previous analyses, finding candidates in the $S_{11}$ and $F_{15}$ partial-wave amplitudes. Our results are compared with those found by the Karlsruhe, Carnegie-Mellon$-$Berkeley, and Kent State groups. | | Source: | arXiv, nucl-th/9505040 | | Services: | Forum | Review | PDF | Favorites | |
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