The cross sections of the muons and charged pions pairs production at electron-positron annihilation near the threshold

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dc.creatorBystritskiy, Yu. M.
dc.creatorFedotovich, G. V.
dc.creatorIgnatov, F. V.
dc.creatorKuraev, E. A.
dc.date2005-05-27
dc.date2005-06-14
dc.date.accessioned2026-07-07T11:43:33Z
dc.date.available2026-07-07T11:43:33Z
dc.descriptionThe processes of muons (tau) and charged pions pairs production at electron-positron annihilation with first order radiative corrections are considered. The calculation results are presented assuming the energies of final particles (cms implied) to be not far significantly from threshold production. The invariant mass distributions for the muon (tau) and pion pairs are obtained both for the initial and final state radiation. Some analytical calculations are illustrated numerically. The pions were assumed to be point-like objects and scalar QED was applied for calculation. The QED radiative corrections related to the final state radiation, additional to the well known Coulomb factor, are treated near threshold region exactly.
dc.description18 pages, 9 eps pics, 2 feynmp diagrams, uses amsmath, graphicx, feynmp, epsf, some references were added
dc.identifierhttps://arxiv.org/abs/hep-ph/0505236
dc.identifierhttp://arxiv.org/abs/hep-ph/0505236
dc.identifierPhys.Rev.D72:114019,2005
dc.identifierdoi:10.1103/PhysRevD.72.114019
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201281
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe cross sections of the muons and charged pions pairs production at electron-positron annihilation near the threshold
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