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| + | ====== TTP04-07 The radiative return at Phi- and B-factories: FSR for muon pair production at next-to-leading order ====== | ||
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| + | <hidden TTP04-07 The radiative return at Phi- and B-factories: FSR for muon pair production at next-to-leading order > 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 $e^+e^-\to \mu^+\mu^-\gamma$. 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. | ||
| + | </hidden> | ||
| + | |**H. Czyz, A. Grzelinska, J. H. K"uhn, G. Rodrigo** | | ||
| + | |** Eur.Phys.J. C39 411-420 2005 ** | | ||
| + | | {{preprints:2004:ttp04-07.pdf|PDF}} {{preprints:2004:ttp04-07.ps|PostScript}} [[http://arxiv.org/abs/hep-ph/0404078|arXiv]] | | ||
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