Abstract
By use of crossing symmetry, integral relations among partial wave amplitudes for elastic scattering of self-conjugate mesons are derived. They involve the amplitudes for unphysical values ofs between the pseudothreshold (m-μ)2 and the threshold (m+μ)2.
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On leave of absence from Physikalisches Institut, Universität Bonn, Germany.
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Grassberger, P. Integral constraints for partial wave amplitudes from crossing symmetry. Z. Physik 232, 374–377 (1970). https://doi.org/10.1007/BF01395389
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DOI: https://doi.org/10.1007/BF01395389