Two-loop QED radiative corrections to the decay pi0 to e+e-: the virtual corrections and soft-photon bremsstrahlung

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F11%3A10105313" target="_blank" >RIV/00216208:11320/11:10105313 - isvavai.cz</a>
Result on the web
<a href="http://www.springerlink.com/content/r236626425065382/" target="_blank" >http://www.springerlink.com/content/r236626425065382/</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP10(2011)122" target="_blank" >10.1007/JHEP10(2011)122</a>

Result language
angličtina
Original language name
Two-loop QED radiative corrections to the decay pi0 to e+e-: the virtual corrections and soft-photon bremsstrahlung
Original language description
This paper is devoted to the two-loop QED radiative corrections to the decay of the neutral pion to the electron-positron pair. We compute the virtual corrections without using any approximation and we take into account all the relevant graphs with the inclusion of those omitted in the previous approximative calculations. The bremsstrahlung is then treated within the soft photon approximation. We compare the exact two-loop results with existing approximative calculations of QED corrections and find significant disagreement in the kinematical region relevant for the KTeV experiment.
Czech name
—
Czech description
—

Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BE - Theoretical physics
OECD FORD branch
—

Project
<a href="/en/project/LC527" target="_blank" >LC527: Center for Particle Physics</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Similar results(10)