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  • 1
    Electronic Resource
    Electronic Resource
    Is a subtraction really necessary in the isospin even πN dispersion relation? (1970)
    Springer
    The European physical journal 232 (1970), S. 205-222 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is shown that the assumption of anunsubtracted fixed-t dispersion relation for the isospin evenπN amplitudeA + is compatible with all data. The prediction for the subtraction function agrees reasonably well with independent determinations. The assumption has the consequence that the ratio of thes-channel helicity flip and non flip amplitudes vanishes in the high energy limit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01391518
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