"qcd; form-factors; radiative-corrections; chiral perturbation-theory"@en . . "000340823800001" . "The preceding experimental and theoretical results on the rare decay pi(0) -> e(+)e(-) are briefly summarized. Already computed two-loop QED corrections are reviewed and the bremsstrahlung contribution beyond the soft-photon approximation is analytically calculated. The possible further contribution of QCD loop corrections is estimated using the leading logarithm approximation. The complete result can be used to fit the value of the contact interaction coupling chi((r)) to the recent KTeV experiment with the result chi((r))(M-rho) = 4.5 +/- 1.0."@en . "3"^^ . "8" . . "3"^^ . "I, P(LH14035), S" . . "11"^^ . "Novotn\u00FD, Ji\u0159\u00ED" . . "11320" . "DE - Spolkov\u00E1 republika N\u011Bmecko" . "European Physical Journal C" . . . "41370" . "74" . . "Rare decay pi(0) -> e(+)e(-): on corrections beyond the leading order" . "1434-6044" . . . "Kampf, Karol" . . "RIV/00216208:11320/14:10287995" . "Husek, Tom\u00E1\u0161" . . . "10.1140/epjc/s10052-014-3010-4" . "Rare decay pi(0) -> e(+)e(-): on corrections beyond the leading order"@en . . "[68CB2D28BF6A]" . . "Rare decay pi(0) -> e(+)e(-): on corrections beyond the leading order" . . . . . "The preceding experimental and theoretical results on the rare decay pi(0) -> e(+)e(-) are briefly summarized. Already computed two-loop QED corrections are reviewed and the bremsstrahlung contribution beyond the soft-photon approximation is analytically calculated. The possible further contribution of QCD loop corrections is estimated using the leading logarithm approximation. The complete result can be used to fit the value of the contact interaction coupling chi((r)) to the recent KTeV experiment with the result chi((r))(M-rho) = 4.5 +/- 1.0." . . "RIV/00216208:11320/14:10287995!RIV15-MSM-11320___" . . "http://dx.doi.org/10.1140/epjc/s10052-014-3010-4" . "Rare decay pi(0) -> e(+)e(-): on corrections beyond the leading order"@en .