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Photon-vector-meson analogy model and pion electroproduction—How to check experimentally the extrapolation effect of the scattering amplitudes from nonzero mass to photon: Chikashi Iso and Hiroaki Yoshii. Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan

Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
78 KB
Volume
51
Category
Article
ISSN
0003-4916

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Photon-vector-meson analogy model and pi
Photon-vector-meson analogy model and pion electroproduction —How to check experimentally the extrapolation effect of the scattering amplitudes from nonzero mass to the photon mass—
✍ Chikashi Iso; Hiroaki Yoshii 📂 Article 📅 1969 🏛 Elsevier Science 🌐 English ⚖ 242 KB

The general relation between pion electroproduction and vector meson production by pions is given under the assumption of the vector-meson-photon analogy model. We also propose how to check the off-mass-shell effect on the scattering amplitude for the nN + VN process. In a series of papers (Z)--(3)

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Relations between photoproduction of hadrons and vector meson production by meson nucleon collisions based on the photon-vector-meson analogy model: Chikashi Iso and Hiroaki Yoshii. Department of Physics, Tokyo Institute of Technology, Meguro-ku Tokyo, Japan
📂 Article 📅 1968 🏛 Elsevier Science 🌐 English ⚖ 60 KB

A general technique for obtaining dispersion relations in the mass variable is proposed. The method is used in order to translate the low-energy theorems valid for "mathematical pions" of zero four-momentum into physically meaningful expressions for real pions. Our procedure is explicitly applied to