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Determination of Resonance Couplings and High-Energy Amplitudes in gamma n --> pi n Using Fixed-t Dispersion Relations

Authors
  • Devenish, R.C.E.
  • Lyth, D.H.
  • Rankin, W.A.
Publication Date
Jan 01, 1974
Identifiers
DOI: 10.1016/0370-2693(74)90097-5
OAI: oai:inspirehep.net:90592
Source
INSPIRE-HEP
License
Unknown
External links

Abstract

The real parts of the amplitudes are generated entirely from their imaginary parts via d.rs., and essentially all available data is included at all energies with momentum transfer | t | < 1 GeV 2 . A total of 46 resonance couplings and 50 high energy parameters are varied to fit all the data simultaneously with a χ 2 of 4.8 per data point.

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