Geodesic
Straight-line particle path approximation for high-energy hadron scattering in quantum field theory
Teoretičeskaâ i matematičeskaâ fizika, Tome 5 (1970) no. 3, pp. 330-342

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The asymptotic behavior of high-energy elastic and inelastic amplitudes is studied by means of the functional integration method of quantum field theory. A straight-line particle path approximation is formulated that can be used effectively to calculate the functional integrals that occur. A model of scalar nucleons interacting with a vector field is studied. Closed relativistically invariant expressions are obtained for the two-particle elastic scattering amplitudes and also for the inelastic amplitudes. 
@article{TMF_1970_5_3_a1,
     author = {B. M. Barbashov and S. P. Kuleshov and V. A. Matveev and V. N. Pervushin and A. N. Sisakyan and A. N. Tavkhelidze},
     title = {Straight-line particle path approximation for high-energy hadron scattering in quantum field theory},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {330--342},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1970_5_3_a1/}
}
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%A A. N. Tavkhelidze
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B. M. Barbashov; S. P. Kuleshov; V. A. Matveev; V. N. Pervushin; A. N. Sisakyan; A. N. Tavkhelidze. Straight-line particle path approximation for high-energy hadron scattering in quantum field theory. Teoretičeskaâ i matematičeskaâ fizika, Tome 5 (1970) no. 3, pp. 330-342. http://geodesic.mathdoc.fr/item/TMF_1970_5_3_a1/