Geodesic
Investigation by the functional method of the high-energy behavior of the ``meson-nucleon'' scattering amplitude in a scalar model
Teoretičeskaâ i matematičeskaâ fizika, Tome 14 (1973) no. 1, pp. 27-35

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The high-energy behavior of the “meson-nucleon” scattering amplitude in the scalar model $L_{\mathrm {int}}=g\psi^2\varphi$ is studied by functional integration. The sum of an infinite class of diagrams inwhich a “meson” interacts with a “nucleon” and goes over into a virtual “nucleon-antinucleon” pair state leads to a modified eikonal form of the scattering amplitude. 
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     author = {B. M. Barbashov and V. V. Nesterenko},
     title = {Investigation by the functional method of the high-energy behavior of the ``meson-nucleon'' scattering amplitude in a scalar model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1973_14_1_a2/}
}
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B. M. Barbashov; V. V. Nesterenko. Investigation by the functional method of the high-energy behavior of the ``meson-nucleon'' scattering amplitude in a scalar model. Teoretičeskaâ i matematičeskaâ fizika, Tome 14 (1973) no. 1, pp. 27-35. http://geodesic.mathdoc.fr/item/TMF_1973_14_1_a2/