Precise measurements of the hadronic cross sections with the CMD-3 and SND detectors at the VEPP-2000 e+ e− collider

M.N. Achasov; R.R. Akhmetshin; A.V. Anisenkov; V.M. Aulchenko; V.S. Banzarov; L.M. Barkov; A.Yu. Barnyakov; N.S. Bashtovoy; K.I. Beloborodov; A.V. Berdyugin; D.E. Berkaev; A.G. Bogdanchikov; A.E. Bondar; A.A. Botov; A.V. Bragin; A.V. Dimova; V.P. Druzhinin; S.I. Eidelman; D.A. Epifanov; L.B. Epshteyn; A.L. Erofeev; G.V. Fedotovich; S.E. Gayazov; V.B. Golubev; A.A. Grebenuk; K.A. Grevtsov; D.N. Grigoriev; E.M. Gromov; F.V. Ignatov; L.V. Kardapoltsev; S.V. Karpov; V.F. Kazanin; A.G. Kharlamov; B.I. Khazin; A.N. Kirpotin; I.A. Koop; A.A. Korol; S.V. Koshuba; O.A. Kovalenko; D.P. Kovrizhin; A.N. Kozyrev; E.A. Kozyrev; P.P. Krokovny; A.S. Kupich; A.E. Kuzmenko; A.S. Kuzmin; I.B. Logashenko; P.A. Lukin; A.P. Lysenko; K.A. Martin; K.Yu. Mikhailov; A.E. Obrazovsky; V.S. Okhapkin; A.V. Otboev; E.V. Pakhtusova; E.A. Perevedentsev; Yu.N. Pestov; A.S. Popov; Yu.S. Popov; G.P. Razuvaev; Yu.A. Rogovsky; A.L. Romanov; A.A. Ruban; N.M. Ryskulov; A.E. Ryzhenenkov; S.I. Serednyakov; P.Yu. Shatunov; Yu.M. Shatunov; V.E. Shebalin; D.N. Shemyakin; D.A. Shtol; B.A. Shwartz; D.B. Shwartz; A.L. Sibidanov; Z.K. Silagadze; E.P. Solodov; I.K. Surin; A.A. Talyshev; V.M. Titov; A.V. Vasiljev; A.I. Vorobiov; Yu.V. Yudin; I.M. Zemlyansky; Yu.M. Zharinov

doi:10.1051/epjconf/20147100121

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Volume 71 (2014)

EPJ Web of Conferences, 71 (2014) 00121

Abstract

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Issue		EPJ Web of Conferences Volume 71, 2014 2nd International Conference on New Frontiers in Physics


Article Number		00121
Number of page(s)		8
DOI		https://doi.org/10.1051/epjconf/20147100121
Published online		29 April 2014

EPJ Web of Conferences 71, 00121 (2014)
https://doi.org/10.1051/epjconf/20147100121

Precise measurements of the hadronic cross sections with the CMD-3 and SND detectors at the VEPP-2000 e⁺ e⁻ collider

M.N. Achasov¹^,2, R.R. Akhmetshin¹, A.V. Anisenkov¹, V.M. Aulchenko¹^,2, V.S. Banzarov¹, L.M. Barkov¹, A.Yu. Barnyakov¹, N.S. Bashtovoy¹, K.I. Beloborodov¹^,2, A.V. Berdyugin¹^,2, D.E. Berkaev¹^,2, A.G. Bogdanchikov¹, A.E. Bondar¹^,2, A.A. Botov¹, A.V. Bragin¹, A.V. Dimova¹, V.P. Druzhinin¹^,2, S.I. Eidelman¹^,2, D.A. Epifanov¹^,6, L.B. Epshteyn¹^,3, A.L. Erofeev¹, G.V. Fedotovich¹^,2, S.E. Gayazov¹^,2, V.B. Golubev¹^,2, A.A. Grebenuk¹^,2, K.A. Grevtsov¹^,2, D.N. Grigoriev¹^,2^,3, E.M. Gromov¹, F.V. Ignatov¹, L.V. Kardapoltsev¹^,2, S.V. Karpov¹, V.F. Kazanin¹^,2, A.G. Kharlamov¹^,2, B.I. Khazin¹^,2, A.N. Kirpotin¹, I.A. Koop¹^,2^,3, A.A. Korol¹^,2, S.V. Koshuba¹, O.A. Kovalenko¹^,2, D.P. Kovrizhin¹^,2, A.N. Kozyrev¹, E.A. Kozyrev¹^,2, P.P. Krokovny¹^,2, A.S. Kupich¹, A.E. Kuzmenko¹^,3, A.S. Kuzmin¹, I.B. Logashenko¹^,2, P.A. Lukin¹^,2, A.P. Lysenko¹, K.A. Martin¹^,3, K.Yu. Mikhailov¹^,2, A.E. Obrazovsky¹, V.S. Okhapkin¹, A.V. Otboev¹, E.V. Pakhtusova¹, E.A. Perevedentsev¹^,2, Yu.N. Pestov¹, A.S. Popov¹^,2, Yu.S. Popov¹, G.P. Razuvaev¹^,2, Yu.A. Rogovsky¹, A.L. Romanov¹, A.A. Ruban¹, N.M. Ryskulov¹, A.E. Ryzhenenkov¹^,2, S.I. Serednyakov¹^,2, P.Yu. Shatunov¹, Yu.M. Shatunov¹^a, V.E. Shebalin¹, D.N. Shemyakin¹^,2, D.A. Shtol¹, B.A. Shwartz¹^,2, D.B. Shwartz¹^,2, A.L. Sibidanov¹^,4, Z.K. Silagadze¹^,2, E.P. Solodov¹^,2, I.K. Surin¹, A.A. Talyshev¹^,2, V.M. Titov¹, A.V. Vasiljev¹, A.I. Vorobiov¹, Yu.V. Yudin¹, I.M. Zemlyansky¹ and Yu.M. Zharinov¹

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

Abstract

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.

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