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preprints:2004:ttp04-07 [2016/03/17 11:03] (current)
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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]] ​  | 
 +| |