Precise measurements of the hadronic cross sections with the CMD-3 and SND detectors at the VEPP-2000 e+ e− collider
1 Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
2 Novosibirsk State University, Novosibirsk, 630090, Russia
3 Novosibirsk State Technical University, Novosibirsk, 630092, Russia
4 University of Sydney, Falkiner High Energy Physics, NSW 2006, Sydney, Australia
5 Brookhaven National Laboratory, P.O. Box 5000 Upton, NY, 11973-5000, USA
6 University of Tokyo, Department of Physics, 7-3-1 Hongo Bunkyo-ku Tokyo, 113-0033, Japan
a e-mail: Yu.M.Shatunov@inp.nsk.su
Published online: 29 April 2014
It’s good known the difference in 3.5 sigma between the muon (g – 2) experimental result and its calculation in Standard Model. To clarify this intriguing discrepancy the new stage of muon (g – 2) measurement is under preparation at Fermi National Laboratory. On other hand, regular data taking for measurements of hadron cross section production in e+ e− annihilations is under way since December 2010 at the electron-positron collider VEPP-2000 with the CMD-3 and SND detectors. The collected data sample corresponds to about 60 inverse picobarns of integrated luminosity per detector in the energy range from 0.32 up to 2 GeV. Preliminary analysis of various hadronic cross sections has been performed.
© Owned by the authors, published by EDP Sciences, 2014
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