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Pion pair production with higher order radiative corrections in low energy \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$e^+e^-$\end{document} collisions
被引：0
作者：
A. Hoefer
J. Gluza
F. Jegerlehner
机构：
[1] DESY Zeuthen,
[2] Platanenallee 6,undefined
[3] 15738 Zeuthen,undefined
[4] Germany
,undefined
[5] Department of Field Theory and Particle Physics,undefined
[6] Institute of Physics,undefined
[7] University of Silesia,undefined
[8] Uniwersytecka 4,undefined
[9] 40-007 Katowice,undefined
[10] Poland
,undefined
关键词：
Pair Production;
Total Cross Section;
Radiative Correction;
Invariant Mass Distribution;
Theoretical Error;
D O I：
10.1007/s100520200916
中图分类号：
学科分类号：
摘要：
The complete \documentclass[12pt]{minimal}
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\begin{document}$O(\alpha)$\end{document} QED initial state (IS), final state (FS) and initial–final state (IFS) interference corrections to the process \documentclass[12pt]{minimal}
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\begin{document}$e^+e^-\to\pi^+\pi^-$\end{document} are presented. Analytic formulae are given for the virtual and for the real photon corrections. The total cross section (\documentclass[12pt]{minimal}
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\begin{document}$\sigma$\end{document}), the pion angular distribution (\documentclass[12pt]{minimal}
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\begin{document}$\mathrm{d}\sigma/\mathrm{d}\cos\Theta$\end{document}) and the \documentclass[12pt]{minimal}
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\begin{document}$\pi^+\pi^-$\end{document} invariant mass distribution (\documentclass[12pt]{minimal}
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\begin{document}$\mathrm{d}\sigma/\mathrm{d}s'$\end{document}) are investigated in the regime of experimentally realistic kinematical cuts.
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页码：51 / 69
页数：18
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