Monte-Carlo generator for e+e- annihilation into lepton and hadron pairs with precise radiative corrections

Abstract

Recently, various cross sections of e+e- annihilation into hadrons were accurately measured in the energy range from 0.37 to 1.39 GeV with the CMD-2 detector at the VEPP-2M collider. In the pi+pi- channel a systematic uncertainty of 0.6% has been achieved. A Monte-Carlo Generator Photon Jets (MCGPJ) was developed to simulate events of the Bhabha scattering as well as production of two charged pions, kaons and muons. Based on the formalism of Structure Functions, the leading logarithmic contributions related to the emission of photon jets in the collinear region are incorporated into the MC generator. Radiative corrections (RC) in the first order of alpha are accounted for exactly. The theoretical precision of the cross sections with RC is estimated to be better than 0.2%. Numerous tests of the program as well as comparison with other MC generators and CMD-2 experimental data are presented.

LaTeX, 23 pages with 18 figures

References in corpus (6)

• The Precision Monte Carlo Event Generator KK For Two-Fermion Final States In e+e- Collisions
• Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppm
• Hadronic contributions to $(g-2)$ of the leptons and to the effective fine structure constant $\alpha (M_Z^2)$
• BHWIDE 1.00: O(alpha) YFS Exponentiated Monte Carlo for Bhabha Scattering at Wide Angles for LEP1/SLC and LEP2
• Large-angle Bhabha scattering and luminosity at flavour factories
• Pion Pair Production with Higher Order Radiative Corrections in Low Energy e+e- Collisions

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