Preliminary results on CMD-3 measurement of e+e−→ π+π− cross section

Authors :: Ignatov Fedor
Logashenko I.B.
Akhmetshin R.R.
Amirkhanov A.N.
Anisenkov A.V.
Aulchenko V.M.
Banzarov V.S.
Bashtovoy N.S.
Berkaev D.E.
Bondar A.E.
Bragin A.V.
Eidelman S.I.
Epifanov D.A.
Epshteyn L.B.
Erofeev A.L.
Fedotovich G.V.
Gayazov S.E.
Grebenuk A.A.
Gribanov S.S.
Grigoriev D.N.
Ivanov V.L.
Karpov S.V.
Kasaev A.S.
Kazanin V.F.
Korobov A.A.
Koop I.A.
Kozyrev A.N.
Kozyrev E.A.
Krokovny P.P.
Kuzmenko A.E.
Kuzmin A.S.
Lukin P.A.
Lysenko A.P.
Mikhailov K.Yu.
Okhapkin V.S.
Perevedentsev E.A.
Pestov Yu.N.
Popov A.S.
Razuvaev G.P.
Rogovsky Yu.A.
Ruban A.A.
Ryskulov N.M.
Ryzhenenkov A.E.
Shebalin V.E.
Shemyakin D.N.
Shwartz B.A.
Shwartz D.B.
Sibidanov A.L.
Shatunov Yu.M.
Solodov E.P.
Talyshev A.A.
Vorobiov A.I.
Yudin Yu.V.
Source :: EPJ Web of Conferences, Vol 218, p 02006 (2019)
Publication Year :: 2019
Publisher :: EDP Sciences, 2019.
Abstract: The CMD-3 detector has been successfully collecting data at the electron-positron collider VEPP-2000 since December 2010. The first scan below 1 GeV for a π+π− measurement was performed in 2013. The collected data sample corresponds to about 18 pb−1 of integrated luminosity in this energy range. Analysis of the e+e−→ π+π− cross section is in progress. Status of this measurement are presented.

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