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The radiative return at phi- and B-factories: FSR for muon pair production at next-to-leading order
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The radiative return at phi- and B-factories: FSR for muon pair production at next-to-leading order
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| Czyz, Henryk; Grzelinska, Agnieszka; Kühn, Johann H.; Rodrigo García, Germán Vicente | |||
| This document is a artículoDate2005 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/44448 |
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| Muon pair production through the radiative return is of importance for a measurement of the hadronic production cross section in two ways: it provides an independent calibration and it may give rise to an important background for a measurement of the pion form factor. With this motivation the Monte Carlo event generator PHOKHARA is extended to include next-to-leading order radiative corrections to the reaction e+e−→μ+μ−γ. Furthermore, virtual ISR corrections to FSR from pions are introduced, which extends the applicability of the generator into a new kinematical regime. Finally, the effect of photon vacuum polarization is introduced into this new version of the generator. | |||
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Czyz, Henryk Grzelinska, Agnieszka Kühn, Johann H. Rodrigo García, Germán Vicente 2005 The radiative return at phi- and B-factories: FSR for muon pair production at next-to-leading order European Physical Journal C 39 4 411 420 |
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| http://dx.doi.org/10.1140/epjc/s2004-02103-1 |
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