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Unitarity and vector meson contributions to K+ → π+γγ

✍ Scribed by G. D'Ambrosio; J. Portolés


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
779 KB
Volume
386
Category
Article
ISSN
0370-2693

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✍ E.N Argyres; A.P Contogouris; S Ray; M Svec 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 827 KB

Using fixed-t dispersion relations together with experimental data on v-p + +'n we determine the real and imaginary parts of the s-channel helicity amplitudes @HA) of the vector (p) exchange contribution to aN 4 TN. The results are in good agreement with amplitude analyses. We also make comparison w