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

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About: Two-loop QED radiative corrections to the decay pi0 to e+e-: the virtual corrections and soft-photon bremsstrahlung Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.springerlink.com/content/r236626425065382/
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. 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. (en)
Title	Two-loop QED radiative corrections to the decay pi0 to e+e-: the virtual corrections and soft-photon bremsstrahlung Two-loop QED radiative corrections to the decay pi0 to e+e-: the virtual corrections and soft-photon bremsstrahlung (en)
skos:prefLabel	Two-loop QED radiative corrections to the decay pi0 to e+e-: the virtual corrections and soft-photon bremsstrahlung Two-loop QED radiative corrections to the decay pi0 to e+e-: the virtual corrections and soft-photon bremsstrahlung (en)
skos:notation	RIV/00216208:11320/11:10105313!RIV12-MSM-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC527), Z(MSM0021620859)
http://linked.open...iv/cisloPeriodika	122
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Novotný, Jiří Vaško, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	236366
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/11:10105313
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	soft-photon; decay of pi0; radiative corrections; QED; Two-loop calculation (en)
http://linked.open.../riv/klicoveSlovo	QED Two-loop calculation decay of pi0 radiative corrections soft-photon
http://linked.open...odStatuVydavatele	IT - Italská republika
http://linked.open...ontrolniKodProRIV	[70FDFAFCD178]
http://linked.open...i/riv/nazevZdroje	Journal of High Energy Physics
http://linked.open...in/vavai/riv/obor	BE
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Center for Particle Physics
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	10
http://linked.open...iv/tvurceVysledku	Novotný, Jiří Vaško, Petr
http://linked.open...ain/vavai/riv/wos	000296917300046
http://linked.open...n/vavai/riv/zamer	Výzkum vlastností jader a subjaderných částic a jejich interakcí
issn	1126-6708
number of pages	74 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/JHEP10(2011)122
http://localhost/t...ganizacniJednotka	11320

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