Measurement of e+e− → π+π− cross section at CMD-3

I.B. Logashenko; R.R. Akhmetshin; A.V. Anisenkov; V.M. Aulchenko; V.S. Banzarov; N.S. Bashtovoy; D.E. Berkaev; A.V. Bragin; S.I. Eidelman; D.A. Epifanov; L.B. Epshteyn; A.L. Erofeev; G.V. Fedotovich; S.E. Gayazov; A.A. Grebenuk; D.N. Grigoriev; E.M. Gromov; F.V. Ignatov; S.V. Karpov; V.F. Kazanin; B.I. Khazin; A.N. Kirpotin; I.A. Koop; O.A. Kovalenko; A.N. Kozyrev; E.A. Kozyrev; P.P. Krokovny; A.E. Kuzmenko; A.S. Kuzmin; P.A. Lukin; A.P. Lysenko; K.Yu. Mikhailov; V.S. Okhapkin; Yu.N. Pestov; E.A. Perevedentsev; A.S. Popov; G.P. Razuvaev; Yu.A. Rogovsky; A.L. Romanov; A.A. Ruban; N.M. Ryskulov; A.E. Ryzhenenkov; V.E. Shebalin; D.N. Shemyakin; B.A. Shwartz; D.B. Shwartz; A.L. Sibidanov; P.Yu. Shatunov; Yu.M. Shatunov; E.P. Solodov; V.M. Titov; A.A. Talyshev; A.I. Vorobiov; Yu.V. Yudin; Yu.M. Zharinov

doi:10.1051/epjconf/20147200013

All issues

Volume 72 (2014)

EPJ Web of Conferences, 72 (2014) 00013

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 72, 2014 International Symposium Lepton and Hadron Physics at Meson-Factories


Article Number		00013
Number of page(s)		6
DOI		https://doi.org/10.1051/epjconf/20147200013
Published online		06 May 2014

EPJ Web of Conferences 72, 00013 (2014)
https://doi.org/10.1051/epjconf/20147200013

Measurement of e⁺e⁻ → π⁺π⁻ cross section at CMD-3

I.B. Logashenko¹^,2^a, R.R. Akhmetshin¹, A.V. Anisenkov¹, V.M. Aulchenko¹^,2, V.S. Banzarov¹, N.S. Bashtovoy¹, D.E. Berkaev¹^,2, A.V. Bragin¹, S.I. Eidelman¹^,2, D.A. Epifanov⁵, L.B. Epshteyn¹^,3, A.L. Erofeev¹, G.V. Fedotovich¹^,2, S.E. Gayazov¹^,2, A.A. Grebenuk¹^,2, D.N. Grigoriev¹^,2^,3, E.M. Gromov¹, F.V. Ignatov¹, S.V. Karpov¹, V.F. Kazanin¹^,2, B.I. Khazin¹^,2, A.N. Kirpotin¹, I.A. Koop¹^,2, O.A. Kovalenko¹^,2, A.N. Kozyrev¹, E.A. Kozyrev¹^,2, P.P. Krokovny¹^,2, A.E. Kuzmenko¹^,3, A.S. Kuzmin¹, P.A. Lukin¹^,2, A.P. Lysenko¹, K.Yu. Mikhailov¹^,2, V.S. Okhapkin¹, Yu.N. Pestov¹, E.A. Perevedentsev¹^,2, A.S. Popov¹^,2, G.P. Razuvaev¹, Yu.A. Rogovsky¹, A.L. Romanov¹, A.A. Ruban¹, N.M. Ryskulov¹, A.E. Ryzhenenkov¹^,2, V.E. Shebalin¹, D.N. Shemyakin¹^,2, B.A. Shwartz¹^,2, D.B. Shwartz¹^,2, A.L. Sibidanov⁴, P.Yu. Shatunov¹, Yu.M. Shatunov¹, E.P. Solodov¹^,2, V.M. Titov¹, A.A. Talyshev¹^,2, A.I. Vorobiov¹, Yu.V. Yudin¹ 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, School of Physics, Falkiner High Energy Physics, NSW 2006, Sydney, Australia
⁵ University of Tokyo, Department of Physics, 7-3-1 Hongo Bunkyo-ku Tokyo, 113-0033, Japan

^a e-mail: I.B.Logashenko@inp.nsk.su

Published online: 6 May 2014

Abstract

Regular operation of the VEPP-2000 electron-positron collider started at the end of 2010 and about 60 pb⁻¹ were collected so far by the CMD-3 detector in the whole available c.m. energy range from 0.32 GeV to 2.0 GeV. One of the main goals of the experiments at VEPP-2000 is a sub-percent measurement of the e⁺e⁻ → π⁺π⁻ cross-section. Here we present the overview of the data analysis techniques and the preliminary results of this measurement.

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