Two-particle Coulomb Green's function in the momentum space with explicity separated singularities
Teoretičeskaâ i matematičeskaâ fizika, Tome 76 (1988) no. 3, pp. 339-349

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The problem of the Coulomb scattering of two charged particles with initial and final momenta off the energy shell is considered. For the case of positive energy a new analytic expression is obtained for the two-particle Coulomb Green's function in which all singularities with respect to the momentum transfer and the singularities in the neighborhood of the energy shell are explicitly separated.
@article{TMF_1988_76_3_a2,
     author = {S. A. Storozhenko and S. A. Shadchin},
     title = {Two-particle {Coulomb} {Green's} function in the momentum space with explicity separated singularities},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {339--349},
     publisher = {mathdoc},
     volume = {76},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1988_76_3_a2/}
}
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S. A. Storozhenko; S. A. Shadchin. Two-particle Coulomb Green's function in the momentum space with explicity separated singularities. Teoretičeskaâ i matematičeskaâ fizika, Tome 76 (1988) no. 3, pp. 339-349. http://geodesic.mathdoc.fr/item/TMF_1988_76_3_a2/