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Title: Simulation of electron-positron annihilation into hadrons with the event generator PHOKHARA
Authors: Czyż, Henryk
Gunia, Michał
Kuhn, J. H.
Keywords: muons; cross sections; CMD-3 detector
Issue Date: 2013
Citation: Journal of High Energy Physics, Vol. 2013, iss. 8 (2013), art. no. 110
Abstract: The precise determination of the cross section for electron-positron annihilation into hadrons is one of the central tasks of ongoing experiments at low energy colliders. These measurements have to be complemented by Monte Carlo generators which simulate a large number of final states and include higher order radiative corrections. With this motivation in mind the generator PHOKHARA is extended to version 8.0, thus allowing for the simulation of final states with zero, one or two real photons. At the same time corrections from the emission of one or two virtual photons are included, such that a full next-to-next-to leading order generator is available. The stability and consistency of the program is tested. The results (for muon-pair final states) are compared to the programs KKMC and MCGPJ and implications for the analysis of various hadronic final states are investigated.
DOI: 10.1007/JHEP08(2013)110
ISSN: 1126-6708
Appears in Collections:Artykuły (WNŚiT)

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