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Fix call to LPM in EpairForElectronPositron #350

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Feb 15, 2023
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Fix call to LPM in EpairForElectronPositron #350

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6 changes: 3 additions & 3 deletions src/PROPOSAL/detail/PROPOSAL/crosssection/parametrization/EpairProduction.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -483,7 +483,7 @@ double crosssection::EpairForElectronPositron::FunctionToIntegral(
// from Yadernaya Fizika, Vol. 63, 2000, pp. 1690-1698 Original Russian Text
// Copyright 2000 by Kel'ner, Kokoulin, Petukhin DOI: 10.1134/1.1312894

double aux, aux1, aux2, r2, rMax, Z3, xi, beta;
double aux, aux1, aux2, r2, rMax, Z3, xi, xi2, beta;
double phi, U, U_max, X, Y;
auto medium_charge = comp.GetNucCharge();
auto medium_log_constant = comp.GetLogConstant();
Expand Down Expand Up @@ -516,8 +516,8 @@ double crosssection::EpairForElectronPositron::FunctionToIntegral(

U = aux / (1 + aux1 / aux2);

xi = v * v * (1 - rMax * rMax) / (4 * (1 - v));
aux1 = 2 * SQRTE * std::pow(ME, 2) * medium_log_constant * Z3 * (1 + xi)
xi2 = v * v * (1 - rMax * rMax) / (4 * (1 - v));
aux1 = 2 * SQRTE * std::pow(ME, 2) * medium_log_constant * Z3 * (1 + xi2)
* (1 + Y);
aux2 = ME * energy * v * (1 - rMax * rMax);
U_max = aux / (1 + aux1 / aux2);
Expand Down