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NLO QED corrections to ISR in e+ e- annihilation and the measurement of σ(e+ e- \to hadrons) using tagged photons
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NLO QED corrections to ISR in e+ e- annihilation and the measurement of σ(e+ e- \to hadrons) using tagged photons
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| dc.contributor.author | Rodrigo García, Germán Vicente | |
| dc.contributor.author | Gehrmann-De Ridder, Aude | |
| dc.contributor.author | Guilleaume, Marc | |
| dc.contributor.author | Kühn, Johann H. | |
| dc.date.accessioned | 2015-06-19T10:29:15Z | |
| dc.date.available | 2015-06-19T10:29:15Z | |
| dc.date.issued | 2001 | |
| dc.identifier.citation | Rodrigo García, Germán Vicente Gehrmann-De Ridder, Aude Guilleaume, Marc Kühn, Johann H. 2001 NLO QED corrections to ISR in e+ e- annihilation and the measurement of σ(e+ e- \to hadrons) using tagged photons European Physical Journal C 22 1 81 88 | |
| dc.identifier.uri | http://hdl.handle.net/10550/44585 | |
| dc.description.abstract | The leptonic tensor for the process e+e−→γ+γ∗, which describes the next-to-leading order virtual and soft QED corrections to initial state radiation in e+e− annihilation with emission of an extra virtual photon decaying into hadrons, is calculated. A Monte Carlo generator for the reaction e+e−→γ+π+π− has been set up which includes these corrections. It thus describes configurations where the invariant mass of the hadrons plus photon is very close to s√. Predictions for cms energies of 1 to 10 GeV, corresponding to the energies of DAPHNE and B-meson factories, are presented. The possibility for an accurate measurement using tagged photons of σ(e+e−→hadrons), which plays an important role in the theoretical description of the muon anomalous magnetic moment and the running of the electromagnetic coupling, is discussed. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | European Physical Journal C, 2001, vol. 22, num. 1, p. 81-88 | |
| dc.subject | Física | |
| dc.title | NLO QED corrections to ISR in e+ e- annihilation and the measurement of σ(e+ e- \to hadrons) using tagged photons | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-06-19T10:29:15Z | |
| dc.identifier.doi | 10.1007/s100520100784 | |
| dc.identifier.idgrec | 072229 | |
| dc.rights.accessRights | open access | es_ES |
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