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1. Current status of luminosity measurement with the CMD-3 detector at the VEPP-2000 collider

Author

Ryzhenenkov A.E., Akhmetshin R.R., Amirkhanov A.N., Anisenkov A.V., Aulchenko V.M., Banzarov V.Sh., 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., Ignatov F.V., Ivanov V.L., Karpov S.V., Kazanin V.F., Koop I.A., Korobov A.A., Kozyrev A.N., Kozyrev E.A., Krokovny P.P., Kuzmenko A.E., Kuzmin A.S., Logashenko I.B., Lukin P.A., Mikhailov K.Yu., Okhapkin V.S., Otboev A.V., Perevedentsev E.A., Pestov Yu.N., Popov A.S., Razuvaev G.P., Ruban A.A., Ryskulov N.M., Shatunov Yu.M., Shatunov P.Yu., Shebalin V.E., Shemyakin D.N., Shwartz B.A., Shwartz D.B., Sibidanov A.L., Solodov E.P., Talyshev A.A., Tolmachev S.S., Vorobiov A.I., and Yudin Yu.V.

Subjects
Physics, QC1-999
Abstract

The CMD-3 detector started data taking at the electron-positron collider VEPP-2000 [1] in December 2010. The collected data sample corresponds to an integrated luminosity of 87 pb−1 in the c.m. energy range from 1.06 up to 2 GeV and 91 pb−1 from 0.32 to 1.06 GeV. The integrated luminosity was measured by counting e+e−→ e+e− and e+e−→ γγ events, allowing additional photons in the final state. Preliminary results of the luminosity measurement are presented for various energy ranges and its accuracy is estimated to be 1%.

Published
2019
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2. Preliminary results on CMD-3 measurement of e+e−→ π+π− cross section

Author

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., and Yudin Yu.V.

Subjects
Physics, QC1-999
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.

Published
2019
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3. Study of the processes e+e-→ K+K− + nπ (n = 1,2,3) with the CMD-3 detector at the VEPP-2000 electron-positron collider

Author

Fedotovich G.V., 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., Gayazov S.E., Grebenuk A.A., Gribanov S.S., Grigoriev D.N., Ignatov F.V., 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., Logashenko I.B., 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., and Zemlyansky I.M.

Subjects
Physics, QC1-999
Abstract

The data sample collected in 2011-2013 at the c.m.s. energies between 0.32-2 GeV with the CMD-3 detector operating at the VEPP-2000 e+e− collider is analzed. The collected data corresponds to an integrated luminosity about ∼ 60pb−1. The techniques for determination of the integrated luminosity for each energy setting is described. Some preliminary results of the study of the processes e+e−→ K+ K− + nπ (n = 1,2,3) with two charged kaons in the final state are presented. These processes have several intermediate states, which are important to correctly descript the angular distributions of final particles and the cross sections dependence on the energy.

Published
2019
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4. CMD-3 Overview

Author

Logashenko Ivan B., Ignatov F.V., 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., Kazanin V.F., Kirpotin A.N., Korobov A.A., Koop I.A., Kozyrev A.N., Kozyrev E.A., Krokovny P.P., Kuzmenko A.E., Kuzmin A.S., Lukin P.A., Mikhailov K.Yu., Okhapkin V.S., Otboev A.V., Pestov Yu.N., Popov A.S., Razuvaev G.P., Ruban A.A., Ryskulov N.M., Ryzhenenkov A.E., Senchenko A.I., Shebalin V.E., Shemyakin D.N., Shwartz B.A., Shwartz D.B., Sibidanov A.L., Shatunov P.Yu., Shatunov Yu.M., Solodov E.P., Talyshev A.A., Vorobiov A.I., Yudin Yu.V., and Zemlyansky I.M.

Subjects
Physics, QC1-999
Abstract

The CMD-3 detector is installed at the VEPP-2000 e+e− collider at BINP (Novosibirsk, Russia). It is a general-purpose detector, equipped with a tracking system, two crystal (CSI and BGO) calorimeters, liquid Xe calorimeter, TOF and muon systems. The main goal of experiments at CMD-3 is a study of exclusive modes of e+e−→ hadrons at energies s≤2$ \sqrt s \le $ GeV. In particular, these results provide an important input for calculation of the hadronic contribution to the muon anomalous magnetic moment. The first round of data taking was performed in 2011–2013, when about 60 1/pb were taken in the center-of-mass (c.m.) energy range from 0.32 to 2.0 GeV. Here we present a survey of results of data analysis. Between 2013 and 2016 the collider and the detector were upgraded. The data taking resumed by the end of 2016. In the first run after the upgrade about 50 1/pb were collected at the energy range between 1.28 and 2.007 GeV. We discuss the upgrade and the first preliminary results from the new data.

Published
2019
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5. Study of e+e− annihilation to hadrons at the VEPP-2000 collider

Author

Beloborodov K.I., Achasov M.N., Akhmetshin R.R., Amirkhanov A.N., Anisenkov A.V., Aulchenko V.M., Banzarov V.Sh., Barnyakov A.Yu., Bashtovoy N.S., Berdyugin A.V., Bogdanchikov A.G., Bondar A.E., Botov A.A., Bragin A.V., Dimova T.V., Druzhinin V.P., Eidelman S.I., Epifanov D.A., Epshteyn L.B., Erofeev A.L., Fedotovich G.V., Gayazov S.E., Golubev V.G., Grebenuk A.A., Gribanov S.S., Grigoriev D.N., Ignatov F.V., Ivanov V.L., Kardapoltsev L.V., Karpov S.V., Kazanin V.F., Kharlamov A.G., Korneev L.A., Korobov A.A., Korol A.A., Koshuba S.V., Kovrizhin D.P., Kozyrev A.N., Kozyrev E.A., Krokovny P.P., Kupich A.S., Kuzmenko A.E., Kuzmin A.S., Litvinov R.A., Logashenko I.B., Lukin P.A., Martin K.A., Melnikova N.A., Mikhailov K.Yu., Obrazovsky A.E., Okhapkin V.S., Pakhtusova E.V., Pestov Yu.N., Popov A.S., Pugachev K.V., Razuvaev G.P., Ruban A.A., Ryskulov N.M., Ryzhenenkov A.E., Serednyakov S.I., Shebalin V.E., Shemyakin D.N., Shtol D.A., Shwartz B.A., Sibidanov A.L., Silagadze Z.K., Solodov E.P., Surin I.K., Talyshev A.A., Titov V.M., Usov Yu.V., Vasiljev A.V., Vorobiov A.I., Yudin Yu.V., Zhabin V.N., and Zhulanov V. V.

Subjects
Physics, QC1-999
Abstract

We present current status of the SND and CMD-3 experiments at the VEPP-2000 e+e− collider and recent result of data analysis on the processes e+e−→π+π−,nn¯,π+π−η,π+π−π0η,KSKLπ0$e^+e^-\rightarrow\pi^+\pi^-,n\overline n,\pi^+\pi^-\eta,\pi^+\pi^-\pi^0\eta,K_SK_L\pi^0$, etc.

Published
2019
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6. Measurement of the hadronic cross sections with the CMD-3 and SND detectors at the VEPP-2000 collider

Author

Korol A.A., Achasov M.N., Akhmetshin R.R., Amirkhanov A.N., Anisenkov A.V., Aulchenko V.M., Banzarov V.S., Barnyakov A. Yu., Bashtovoy N.S., Beloborodov K.I., Berdyugin A.V., Berkaev D.E., Bogdanchikov A.G., Bondar A.E., Botov A.A., Bragin A.V., Dimova T.V., Druzhinin V.P., Eidelman S.I., Epifanov D.A., Epshteyn L.B., Erofeev A.L., Fedotovich G.V., Gayazov S.E., Golubev V.B., Grebenuk A.A., Gribanov S.S., Grigoriev D.N., Ignatov F.V., Ivanov V.L., Kardapoltsev L.V., Karpov S.V., Kasaev A.S., Kazanin V.F., Kharlamov A.G., Kirpotin A.N., Koop I.A., Korobov A.A., Koshuba S.V., Kovrizhin D.P., Kozyrev A.N., Kozyrev E.A., Krokovny P.P., Kupich A.S., Kuzmenko A.E., Kuzmin A.S., Logashenko I.B., Lukin P.A., Lysenko A.P., Martin K.A., Melnikova N.A., Mikhailov K. Yu., Muchnoi N. Yu., Obrazovsky A.E., Okhapkin V.S., Pakhtusova E.V., Perevedentsev E.A., Pestov Yu. N., Popov A.S., Razuvaev G.P., Rogovsky Yu. A., Ruban A.A., Ryskulov N.M., Ryzhenenkov A.E., Senchenko A.I., Serednyakov S.I., Shatunov P. Yu., Shatunov Yu. M., Shebalin V.E., Shemyakin D.N., Shtol D.A., Shwartz B.A., Shwartz D.B., Sibidanov A.L., Silagadze Z.K., Skrinsky A.N., Solodov E.P., Surin I.K., Talyshev A.A., Tikhonov Yu. A., Usov Yu. V., Vasiljev A.V., Vorobiov A.I., Yudin Yu. V., and Zemlyansky I M.

Subjects
Physics, QC1-999
Abstract

Since December 2010 the CMD-3 and SND detectors detectors collect data at the VEPP-2000 electron-positron collider. In 2013-2015 the injection facility of the collider has undergone an upgrade of the injection system. The new BINP injection complex has been connected to the VEPP-2000 collider, so the restrictions connected to the lack of positrons and limited beam energy transfer do not apply any more. The collider luminosity in whole energy range is restricted now only by beam-beam effects. VEPP-2000 collider started to collect data with two detectors at 2016 year. The collected data sample since 2010 corresponds more than 100 pb-1 of integrated luminosity per detector in the c.m. energy between 0.32 and 2GeV. We will report here results of analysis of various hadronic cross sections from detectors both published and preliminary. These measurements are important by themselves and also because of the implications for anomaly of the magnetic moment of a muon (g-2) discrepancy.

Published
2018
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7. Measurement of the hadronic cross sections at Novosibirsk

Author

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

Subjects
Physics, QC1-999
Abstract

Two experiments, CMD-3 and SND, collected over 100 pb−1 in total taking data in 2011-2013 at the VEPP-2000 electron-positron collider. The data sample covers the whole available c.m. energy range from 0.32 GeV to 2.0 GeV. An upgrade of VEPP-2000 started in the second half of 2013, aimed at the luminosity increase up to 10 times at 2.0 GeV. Data taking is expected to resumed in 2015. The current results of analysis of the collected data for various modes of e+ e− → hadrons are discussed.

Published
2015
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8. Measurement of e+e− → π+π− cross section at CMD-3

Author

Logashenko I.B., Akhmetshin R.R., Anisenkov A.V., Aulchenko V.M., Banzarov V.S., Bashtovoy N.S., Berkaev D.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., Grigoriev D.N., Gromov E.M., Ignatov F.V., Karpov S.V., Kazanin V.F., Khazin B.I., Kirpotin A.N., Koop I.A., Kovalenko O.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., Pestov Yu.N., Perevedentsev E.A., Popov A.S., Razuvaev G.P., Rogovsky Yu.A., Romanov A.L., 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 P.Yu., Shatunov Yu.M., Solodov E.P., Titov V.M., Talyshev A.A., Vorobiov A.I., Yudin Yu.V., and Zharinov Yu.M.

Subjects
Physics, QC1-999
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.

Published
2014
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9. Precise measurements of the hadronic cross sections with the CMD-3 and SND detectors at the VEPP-2000 e+ e− collider

Author

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

Subjects
Physics, QC1-999
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.

Published
2014
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10. Study of the process e+e− → 2(π+π−π0) with the CMD-3 detector at VEPP-2000 collider

Author

Lukin P.A., Akmetshin R.R., Anisenkov A.V., Aulchenko V.M., Banzarov V.Sh., 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., Grigoriev D.N., Gromov E.M., Ignatov F.V., Karpov S.V., Kazanin V.F., Khazin B.I., Koop I.A., Kovalenko O.A., Kozyrev A.N., Kozyrev E.A., Krokovny P.P., Kuzmenko A.E., Kuzmin A.S., Logashenko I.B., Mikhailov K.Yu., Muchnoi N.Yu., Okhapkin V.S., Pestov Yu.N., Perevedentsev E.A., Popov A.S., Razuvaev G.P., Rogovsky Yu.A., Romanov A.L., 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 P.Yu., Shatunov Yu.M., Solodov E.P., Titov V.M., Talyshev A.A., Vorobiov A.I., and Yudin Yu.V.

Subjects
Physics, QC1-999
Abstract

Since 2010 the CMD-3 detector has been collecting data at the VEPP-2000 e+e− collider. CMD-3 is a general purpose detector designed to study e+e− annihilation into hadrons in the center-of-mass (c.m.) energy range from 0.3 up to 2 GeV. Preliminary results for the e+e− → 2(π+π−π0) cross section were obtained in the c.m. energy range from 1.5 up to 2 GeV. The analysis is based on a data sample of 22 pb−1.

Published
2014
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11. Study of the processes e+e− → K+K−π+π−, ϕη with the CMD-3 detector at the e+e− collider VEPP-2000

Author

Shemyakin D.N., Akmetshin R.R., Anisenkov A.V., Aulchenko V.M., Banzarov V.Sh., 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., Grigoriev D.N., Gromov E.M., Ignatov F.V., Karpov S.V., Kazanin V.F., Khazin B.I., Koop I.A., Kovalenko O.A., Kozyrev A.N., Kozyrev E.A., Krokovny P.P., Kuzmenko A.E., Kuzmin A.S., Logashenko I.B., Lukin P.A., Mikhailov K.Yu., Muchnoi N.Yu., Okhapkin V.S., Pestov Yu.N., Perevedentsev E.A., Popov A.S., Razuvaev G.P., Rogovsky Yu.A., Romanov A.L., Ruban A.A., Ryskulov N.M., Ryzhenenkov A.E., Shebalin V.E., Shwartz B.A., Shwartz D.B., Sibidanov A.L., Shatunov P.Yu., Shatunov Yu.M., Solodov E.P., Titov V.M., Talyshev A.A., Vorobiov A.I., and Yudin Yu.V.

Subjects
Physics, QC1-999
Abstract

We report preliminary results on the measurement of the cross sections of the processes e+e− → K+K−π+π− and e+e− → ϕη in the c.m.energy range from 1.5 GeV to 2 GeV with the CMD-3 detector. The cross sections of these processes agree with BaBar results and have better accuracy.

Published
2014
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12. Results from the e+e− colliders in Novosibirsk

Author

Ryskulov N.M., Ruban A.A., Rogovsky Yu.A., Romanov A.L., Redin S.I., Popov Yu.S., Popov A.S., Pivovarov S.G., Pirogov S., Perevedentsev E.A., Pestov Yu.N., Mikhailov K.Yu., Lukin P.A., Lysenko A.P., Logashenko I.B., Kuzmin A.S., Kuzmenko A.E., Kozyrev A.N., Koop I.A., Khazin B.I., Kazanin V.F., Karpov S.V., Ignatov F.V., Gromov E.N., Grigoriev D.N., Grebenuk A.A., Gayazov S.E., Fedotovich G.V., Epshteyn L.B., Epifanov D.A., Eidelman S.I., Bragin A.V., Bondar A.E., Berkaev D.E., Bashtovoy N.S., Barkov L.M., Banzarov V.S., Aulchenko V.M., Ahokhin S.A., Anisonkov A.V., Akhmetshin R.R., Ryzhenenkov A.E., Shebalin V.E., Shemyakin D.N., Shwartz B.A., Shwartz D.B., Sibidanov A.L., Shatunov P.Yu., Shatunov Yu.M., Snopkov I.G., Solodov E.P., Titov V.M., Talyshev A.A., Vorobiov A.I., Yudin Yu.V., and Zaytsev A.S.

Subjects
Physics, QC1-999
Abstract

Two e+e− colliders, VEPP-4M and VEPP2000, are taking data at the Budker INP in Novosibirsk, Russia. KEDR detector at the VEPP-4M collider continues deliver precision measurements of the charmonium family. Results of the ψ(2S ) and ψ(3770) study are presented. Two energy scans of a center-of-mass energy range from 1 GeV to 2 GeV has been performed by the VEPP2000 collider with an integrated luminosity of about 35 pb−1, collected by each of the CMD-3 and SND detectors. This paper reports the latest results from VEPP-2000 obtained by the CMD-3 collaboration.

Published
2012
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13. Recent Results from the KEDR Detector

Author

Sinyatkin S.V., Shwartz B.A., Simonov E.A., Shatilov D.N., Shamov A.G., Savinov G.A., Sandyrev V.K., Ruban A.A., Prisekin V.G., Poluektov A.O., Petrov V.V., Pivovarov S.G., Piminov P.A., Peleganchuk S.V., Orlov I.O., Osipov A.A., Oreshkin S.B., Onuchin A. P., Nikolaev I.B., Okunev I.N., Nikitin S.A., Neufeld V.V., Muchnoi N.Yu., Morozov I. I., Mishnev S. I., Meshkov O. I., Medvedko A. S., Maslennikov A. L., Maksimov D.A., Malyshev V.M., Levichev E. B., Kuper E.A., Kulikov V. F., Kurkin G.Ya., Kudryavtsev V.N., Kravchenko E.A., Kotov K.Yu., Kononov S.A., Kolmogorov V.V., Kiselev V.A., Kharlamova T.A., Karpov S.V., Karpov G.V., Karnaev S. E., Gusev D.V., Gulevich V.V., Glukhovchenko Yu.M., Eidelman S. I., Grigoriev D.N., Buzykaev A.R., Bogomyagkov A.V., Bondar A. E., Bobrovnikov V. S., Bobrov A.V., Blinov V. E., Blinov A. E., Beloborodova O. L., Basok I.Yu., Baru S. E., Barnyakov M.Yu., Barnyakov A.Yu., Barladyan A.K., Aulchenko V.M., Baldin E.M., Anashin V.V., Skrinsky A.N., Smaluk V.V., Sokolov A.V., Sukharev A.M., Starostina E.V., Talyshev A.A., Tayursky V.A., Telnov V. I., Tikhonov Yu.A., Todyshev K.Yu., Tumaikin G.M., Usov Yu.V., Vorobiov A. I., Yushkov A.N., Zhilich V.N., Zhulanov V.V., and Zhuravlev A.N.

Subjects
Physics, QC1-999
Abstract

We describe recent results from the KEDR detector at the VEPP-4Mcollider. They include: a search for narrow resonances between 1.85 and 3.1 GeV, a test of leptonic universality by comparing partial widths of the J/ψ resonance into electron and muon pairs, a determination of the main parameters of the ψ(2S) and a measurement of ψ(3770) parameters.

Published
2012
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14. Charged particle identification with the liquid xenon calorimeter of the CMD-3 detector

Author

Ivanov, V.L., Fedotovich, G.V., Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Bashtovoy, N.S., Bondar, A.E., Bragin, A.V., Eidelman, S.I., Epifanov, D.A., Epshteyn, L.B., Erofeev, A.L., Gayazov, S.E., Grebenuk, A.A., Gribanov, S.S., Grigoriev, D.N., Ignatov, F.V., Karpov, S.V., Kazanin, V.F., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Mikhailov, K.Yu., Okhapkin, V.S., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Semenov, A.V., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Solodov, E.P., Titov, V.M., Talyshev, A.A., Tolmachev, S.S., Uskov, A.A., Vorobiov, A.I., and Yudin, Yu.V.

Published
2021
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20. Study of the process e+e−→KS0K±π∓π+π− in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

Author

Akhmetshin, R.R., primary, Amirkhanov, A.N., additional, Anisenkov, A.V., additional, Aulchenko, V.M., additional, Bashtovoy, N.S., additional, Berkaev, D.E., additional, Bondar, A.E., additional, Bragin, A.V., additional, Eidelman, S.I., additional, Epifanov, D.A., additional, Epshteyn, L.B., additional, Erofeev, A.L., additional, Fedotovich, G.V., additional, Gorkovenko, A.O., additional, Grancagnolo, F.J., additional, Grebenuk, A.A., additional, Gribanov, S.S., additional, Grigoriev, D.N., additional, Ignatov, F.V., additional, Ivanov, V.L., additional, Karpov, S.V., additional, Kazanin, V.F., additional, Kirpotin, A.N., additional, Koop, I.A., additional, Korobov, A.A., additional, Kozyrev, A.N., additional, Kozyrev, E.A., additional, Krokovny, P.P., additional, Kuzmin, A.S., additional, Logashenko, I.B., additional, Lukin, P.A., additional, Mikhailov, K.Yu., additional, Obraztsov, I.V., additional, Okhapkin, V.S., additional, Otboev, A.V., additional, Pestov, Yu.N., additional, Popov, A.S., additional, Razuvaev, G.P., additional, Rogovsky, Yu.A., additional, Ruban, A.A., additional, Ryskulov, N.M., additional, Ryzhenenkov, A.E., additional, Semenov, A.V., additional, Senchenko, A.I., additional, Shatunov, P.Yu., additional, Shatunov, Yu.M., additional, Shebalin, V.E., additional, Shemyakin, D.N., additional, Shwartz, B.A., additional, Shwartz, D.B., additional, Sibidanov, A.L., additional, Solodov, E.P., additional, Titov, V.M., additional, Talyshev, A.A., additional, Tolmachev, S.S., additional, Vorobiov, A.I., additional, Zemlyansky, I.M., additional, Zhadan, D.S., additional, Zubakin, A.S., additional, and Yudin, Yu.V., additional

Published
2023
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21. Recent results on e+e− → hadrons cross sections from SND and CMD-3 detectors at VEPP-2000 collider

Author

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

Published
2016
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22. Study of the process in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

Author

Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., 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., Gorkovenko, A.O., Grancagnolo, F.J., Grebenuk, A.A., Gribanov, S.S., Grigoriev, D.N., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kazanin, V.F., Kirpotin, A.N., Koop, I.A., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Mikhailov, K.Yu., Obraztsov, I.V., Okhapkin, V.S., Otboev, A.V., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Rogovsky, Yu.A., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Semenov, A.V., Senchenko, A.I., Shatunov, P.Yu., Shatunov, Yu.M., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Solodov, E.P., Titov, V.M., Talyshev, A.A., Tolmachev, S.S., Vorobiov, A.I., Zemlyansky, I.M., Zhadan, D.S., Zubakin, A.S., and Yudin, Yu.V.

Abstract

A cross section of the process e+e−→KS0K±π∓π+π− has been measured for the first time using a data sample of 185.4 pb$^{−1}$ collected with the CMD-3 detector at the VEPP-2000 e+e− collider. With the KS0→π+π− decay detection, 373±20 and 514±28 signal events have been selected with six and five reconstructed tracks, respectively, in the center-of-mass energy range 1.6–2.0 GeV. The total systematic uncertainty of the cross section is about 15%. A study of the production dynamics allows us to extract a contribution from the e+e−→f1(1285)π+π− intermediate state and to measure the corresponding cross section. The intermediate states with the f1(1420) and f1(1510) resonances have been observed.

Published
2023

23. Study of the process [formula omitted] in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

Author

Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., 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., Gorkovenko, A.O., Grancagnolo, F.J., Grebenuk, A.A., Gribanov, S.S., Grigoriev, D.N., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kazanin, V.F., Kirpotin, A.N., Koop, I.A., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Mikhailov, K.Yu., Obraztsov, I.V., Okhapkin, V.S., Otboev, A.V., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Rogovsky, Yu.A., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Semenov, A.V., Senchenko, A.I., Shatunov, P.Yu., Shatunov, Yu.M., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Solodov, E.P., Titov, V.M., Talyshev, A.A., Tolmachev, S.S., Vorobiov, A.I., Zemlyansky, I.M., Zhadan, D.S., Zubakin, A.S., and Yudin, Yu.V.

Published
2023
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26. Tau mass measurement at KEDR

Author

Shamov, A.G., Anashin, V.V., Aulchenko, V.M., Baldin, E.M., Barladyan, A.K., Barnyakov, A.Yu., Barnyakov, M.Yu., Baru, S.E., Bedny, I.V., Beloborodova, O.L., Blinov, A.E., Blinov, V.E., Bobrov, A.V., Bobrovnikov, V.S., Bogomyagkov, A.V., Bondar, A.E., Bondarev, D.V., Buzykaev, A.R., Eidelman, S.I., Glukhovchenko, Yu.M., Gulevich, V.V., Karnaev, S.E., Karpov, G.V., Karpov, S.V., Kiselev, V.A., Kononov, S.A., Kozlova, T.A., Kotov, K.Yu., Kravchenko, E.A., Kulikov, V.F., Kurkin, G.Ya., Kuper, E.A., Levichev, E.B., Maksimov, D.A., Malyshev, V.M., Maslennikov, A.L., Medvedko, A.S., Meshkov, O.I., Mishnev, S.I., Morozov, I.I., Muchnoi, N.Yu., Neufeld, V.V., Nikitin, S.A., Nikolaev, I.B., Okunev, I.N., Onuchin, A.P., Oreshkin, S.B., Orlov, I.O., Osipov, A.A., Peleganchuk, S.V., Petrosyan, S.S., Pivovarov, S.G., Piminov, P.A., Petrov, V.V., Poluektov, A.O., Popkov, I.N., Pospelov, G.E., Prisekin, V.G., Ruban, A.A., Sandyrev, V.K., Savinov, G.A., Shatilov, D.N., Shwartz, B.A., Simonov, E.A., Sinyatkin, S.V., Skovpen, Yu.I., Skrinsky, A.N., Smaluk, V.V., Sukharev, A.M., Starostina, E.V., Talyshev, A.A., Tayursky, V.A., Telnov, V.I., Tikhonov, Yu.A., Todyshev, K.Yu., Tumaikin, G.M., Usov, Yu.V., Vorobiov, A.I., Yushkov, A.N., Zhilich, V.N., Zhulanov, V.V., and Zhuravlev, A.N.

Published
2009
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27. Study of the process in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

Author

Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Banzarov, V.Sh., 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., Grancagnolo, F.J., Grebenuk, A.A., Gribanov, S.S., Grigoriev, D.N., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kasaev, A.S., Kazanin, V.F., Koop, I.A., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Lysenko, A.P., Mikhailov, K.Yu., Okhapkin, V.S., Perevedentsev, E.A., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Semenov, A.V., Shatunov, Yu.M., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Solodov, E.P., Timoshenko, M.V., Titov, V.M., Talyshev, A.A., Vorobiov, A.I., Zemlyansky, I.M., and Yudin, Yu.V.

Abstract

The cross section of the process e+e−→KS0KS0π+π− has been measured using a data sample of 56.7 pb$^{−1}$ collected with the CMD-3 detector at the VEPP-2000 e+e− collider. 596±27 and 210±18 signal events have been selected with six and five detected tracks, respectively, in the center-of-mass energy range 1.6–2.0 GeV. The total systematic uncertainty of the cross section is about 10%. The study of the production dynamics confirms the dominance of the K⁎(892)+K⁎(892)− intermediate state.

Published
2020

28. Results on [formula omitted], [formula omitted], [formula omitted] from KEDR

Author

Baldin, E.M., Anashin, V.V., Aulchenko, V.M., Barladyan, A.K., Barnyakov, A.Yu., Barnyakov, M.Yu., Baru, S.E., Bedny, I.V., Beloborodova, O.L., Blinov, A.E., Blinov, V.E., Bobrov, A.B., Bobrovnikov, V.S., Bogomyagkov, A.V., Bondar, A.E., Bondarev, D.V., Buzykaev, A.R., Eidelman, S.I., Glukhovchenko, Yu.M., Groshev, V.R., Gulevich, V.V., Karnaev, S.E., Karpov, G.V., Karpov, S.V., Kiselev, V.A., Kononov, S.A., Kozlova, T.A., Kotov, K.Yu., Kravchenko, E.A., Kremyanskaya, E.V., Kulikov, V.F., Kurkin, G.Ya., Kuper, E.A., Levichev, E.B., Maksimov, D.A., Malyshev, V.M., Maslennikov, A.L., Medvedko, A.S., Meshkov, O.I., Mishnev, S.I., Morozov, I.I., Muchnoi, N.Yu., Neufeld, V.V., Nikitin, S.A., Nikolaev, I.B., Okunev, I.N., Onuchin, A.P., Oreshkin, S.B., Orlov, I.O., Osipov, A.A., Peleganchuk, S.V., Petrosyan, S.S., Pivovarov, S.G., Piminov, P.A., Petrov, V.V., Poluektov, A.O., Popkov, I.N., Pospelov, G.E., Prisekin, V.G., Ruban, A.A., Sandyrev, V.K., Savinov, G.A., Shamov, A.G., Shatilov, D.N., Shwartz, B.A., Simonov, E.A., Sinyatkin, S.V., Skovpen, Yu.I., Skrinsky, A.N., Smaluk, V.V., Sukharev, A.M., Talyshev, A.A., Tayursky, V.A., Telnov, V.I., Tikhonov, Yu.A., Todyshev, K.Yu., Tumaikin, G.M., Usov, Yu.V., Vorobiov, A.I., Yushkov, A.N., Zhilich, V.N., Zhulanov, V.V., and Zhuravlev, A.N.

Published
2008
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29. Tau mass measurement at KEDR

Author

Shamov, A.G., Anashin, V.V., Aulchenko, V.M., Baldin, E.M., Barladyan, A.K., Barnyakov, A.Yu., Barnyakov, M.Yu., Baru, S.E., Bedny, I.V., Beloborodova, O.L., Blinov, A.E., Blinov, V.E., Bobrov, A.B., Bobrovnikov, V.S., Bogomyagkov, A.V., Bondar, A.E., Bondarev, D.V., Buzykaev, A.R., Eidelman, S.I., Glukhovchenko, Yu.M., Gulevich, V.V., Karnaev, S.E., Karpov, G.V., Karpov, S.V., Kiselev, V.A., Kononov, S.A., Kozlova, T.A., Kotov, K.Yu., Kravchenko, E.A., Kulikov, V.F., Kurkin, G.Ya., Kuper, E.A., Levichev, E.B., Maksimov, D.A., Malyshev, V.M., Maslennikov, A.L., Medvedko, A.S., Meshkov, O.I., Mishnev, S.I., Morozov, I.I., Muchnoi, N.Yu., Neufeld, V.V., Nikitin, S.A., Nikolaev, I.B., Okunev, I.N., Onuchin, A.P., Oreshkin, S.B., Orlov, I.O., Osipov, A.A., Peleganchuk, S.V., Petrosyan, S.S., Pivovarov, S.G., Piminov, P.A., Petrov, V.V., Poluektov, A.O., Popkov, I.N., Pospelov, G.E., Prisekin, V.G., Ruban, A.A., Sandyrev, V.K., Savinov, G.A., Shatilov, D.N., Shwartz, B.A., Simonov, E.A., Sinyatkin, S.V., Skovpen, Yu.I., Skrinsky, A.N., Smaluk, V.V., Sukharev, A.M., Starostina, E.V., Talyshev, A.A., Tayursky, V.A., Telnov, V.I., Tikhonov, Yu.A., Todyshev, K.Yu., Tumaikin, G.M., Usov, Yu.V., Vorobiov, A.I., Yushkov, A.N., Zhilich, V.N., Zhulanov, V.V., and Zhuravlev, A.N.

Published
2008
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30. Performance of the thin superconducting solenoid of the CMD-3 detector

Author

Bragin, A.V., Barkov, L.M., Bashtovoj, N.S., Grebenuk, A.A., Karpov, S.V., Okhapkin, V.S., Pivovarov, S.G., Popov, Y.S., Ruban, A.A., and Khazin, B.I.

Subjects
Eddy currents (Electric) -- Measurement, Liquid helium -- Electric properties, Liquid helium -- Usage, Solenoids -- Design and construction, Superconductive devices -- Testing, Business, Electronics, Electronics and electrical industries
Published
2010

31. Study of the process [formula omitted] in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

Author

Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Banzarov, V.Sh., 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., Grancagnolo, F.J., Grebenuk, A.A., Gribanov, S.S., Grigoriev, D.N., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kasaev, A.S., Kazanin, V.F., Koop, I.A., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Lysenko, A.P., Mikhailov, K.Yu., Okhapkin, V.S., Perevedentsev, E.A., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Semenov, A.V., Shatunov, Yu.M., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Solodov, E.P., Timoshenko, M.V., Titov, V.M., Talyshev, A.A., Vorobiov, A.I., Zemlyansky, I.M., and Yudin, Yu.V.

Published
2020
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32. Measurement of R at KEDR

Author

Anashin, V.V., Aulchenko, V.M., Baldin, E.M., Barladyan, A.K., Barnyakov, A.Yu., Barnyakov, M.Yu., Baru, S.E., Basok, I.Yu., Batrakov, A.M., Blinov, A.E., Blinov, V.E., Bobrov, A.V., Bobrovnikov, V.S., Bogomyagkov, A.V., Bondar, A.E., Borodenko, A.A., Buzykaev, A.R., Eidelman, S.I., Grigoriev, D.N., Glukhovchenko, Yu.M., Gulevich, V.V., Gusev, D.V., Karnaev, S.E., Karpov, G.V., Karpov, S.V., Kharlamova, T.A., Kiselev, V.A., Kolmogorov, V.V., Kononov, S.A., Kotov, K.Yu., Kravchenko, E.A., Kudryavtsev, V.N., Kulikov, V.F., Kurkin, G.Ya., Kuyanov, I.A., Kuper, E.A., Levichev, E.B., Maksimov, D.A., Malyshev, V.M., Maslennikov, A.L., Meshkov, O.I., Mishnev, S.I., Morozov, I.I., Muchnoi, N.Yu., Neufeld, V.V., Nikitin, S.A., Nikolaev, I.B., Okunev, I.N., Onuchin, A.P., Oreshkin, S.B., Orlov, I.O., Osipov, A.A., Ovtin, I.V., Peleganchuk, S.V., Pivovarov, S.G., Piminov, P.A., Petrov, V.V., Prisekin, V.G., Rezanova, O.L., Ruban, A.A., Sandyrev, V.K., Savinov, G.A., Shamov, A.G., Shatilov, D.N., Shwartz, B.A., Simonov, E.A., Sinyatkin, S.V., Skrinsky, A.N., Sokolov, A.V., Sukharev, A.M., Starostina, E.V., Talyshev, A.A., Tayursky, V.A., Telnov, V.I., Tikhonov, Yu.A., Todyshev, K.Yu., Tumaikin, G.M., Usov, Yu.V., Vorobiov, A.I., Zhilich, V.N., Zhulanov, V.V., and Zhuravlev, A.N.

Published
2015
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33. New precise determination of the τ lepton mass at KEDR detector

Author

Anashin, V.V., Aulchenko, V.M., Baldin, E.M., Barladyan, A.K., Barnyakov, A.Yu., Barnyakov, M.Yu., Baru, S.E., Bedny, I.V., Beloborodova, O.L., Blinov, A.E., Blinov, V.E., Bobrov, A.B., Bobrovnikov, V.S., Bogomyagkov, A.V., Bondar, A.E., Bondarev, D.V., Buzykaev, A.R., Cherepanov, V.P., Eidelman, S.I., Glukhovchenko, Yu.M., Gulevich, V.V., Karnaev, S.E., Karpov, G.V., Karpov, S.V., Kiselev, V.A., Kononov, S.A., Kotov, K.Yu., Kravchenko, E.A., Kremyanskaya, E.V., Kulikov, V.F., Kurkin, G.Ya., Kuper, E.A., Levichev, E.B., Maksimov, D.A., Malyshev, V.M., Maslennikov, A.L., Medvedko, A.S., Meshkov, O.I., Mishnev, S.E., Morozov, I.I., Muchnoi, N.Yu., Neufeld, V.V., Nikitin, S.A., Nikolaev, I.B., Onuchin, A.P., Oreshkin, S.B., Orlov, I.O., Osipov, A.A., Peleganchuk, S.V., Petrosyan, S.S., Pivovarov, S.G., Piminov, P.A., Petrov, V.V., Poluektov, A.O., Pospelov, G.E., Prisekin, V.G., Ruban, A.A., Sandyrev, V.K., Savinov, G.A., Shamov, A.G., Shatilov, D.N., Shubin, E.I., Shwartz, B.A., Sidorov, V.A., Simonov, E.A., Sinyatkin, S.V., Skovpen, Yu.I., Skrinsky, A.N., Smaluk, V.V., Soukharev, A.M., Struchalin, M.V., Talyshev, A.A., Tayursky, V.A., Telnov, V.I., Tikhonov, Yu.A., Todyshev, K.Yu., Tumaikin, G.M., Usov, Yu.V., Vorobiov, A.I., Yushkov, A.N., Zhilich, V.N., and Zhuravlev, A.N.

Published
2007
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34. Study of the process e+e− → K+K−η with the CMD-3 detector at the VEPP-2000 collider

Author

Ivanov, V.L., Fedotovich, G.V., Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Banzarov, V.Sh., Bashtovoy, N.S., Berkaev, D.E., Bondar, A.E., Bragin, A.V., Eidelman, S.I., Epifanov, D.A., Epshteyn, L.B., Erofeev, A.L., Gayazov, S.E., Grebenuk, A.A., Gribanov, S.S., Grigoriev, D.N., Ignatov, F.V., Karpov, S.V., Kasaev, A.S., Kazanin, V.F., Koop, I.A., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Lysenko, A.P., Mikhailov, K.Yu., Okhapkin, V.S., Perevedentsev, E.A., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Semenov, A.V., Shatunov, Yu.M., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Solodov, E.P., Timoshenko, M.V., Titov, V.M., Talyshev, A.A., Tolmachev, S.S., Vorobiov, A.I., and Yudin, Yu.V.

Published
2019
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35. Observation of a fine structure in e+e− → hadrons production at the nucleon-antinucleon threshold

Author

Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Banzarov, V.Sh., 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., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kazanin, V.F., Koop, I.A., Kirpotin, A.N., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Mikhailov, K.Yu., Okhapkin, V.S., Otboev, A.V., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Senchenko, A.I., Shatunov, Yu.M., Shatunov, P.Yu., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Solodov, E.P., Talyshev, A.A., Titov, V.M., Tolmachev, S.S., Vorobiov, A.I., Zemlyansky, I.M., and Yudin, Yu.V.

Published
2019
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36. Study of the process e+e− → 3(π+π−)π0 in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

Author

Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Banzarov, V.Sh., 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., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kazanin, V.F., Koop, I.A., Kirpotin, A.N., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Mikhailov, K.Yu., Okhapkin, V.S., Otboev, A.V., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Rogovsky, Yu.A., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Senchenko, A.I., Shatunov, Yu.M., Shatunov, P.Yu., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Solodov, E.P., Titov, V.M., Talyshev, A.A., Vorobiov, A.I., Zemlyansky, I.M., and Yudin, Yu.V.

Published
2019
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37. Precise measurement of Ruds and R between 1.84 and 3.72 GeV at the KEDR detector

Author

Anashin, V.V., Anchugov, O.V., Aulchenko, V.M., Baldin, E.M., Baranov, G.N., Barladyan, A.K., Barnyakov, A.Yu., Barnyakov, M.Yu., Baru, S.E., Basok, I.Yu., Batrakov, A.M., Bekhtenev, E.A., Blinov, A.E., Blinov, V.E., Bobrov, A.V., Bobrovnikov, V.S., Bogomyagkov, A.V., Bondar, A.E., Buzykaev, A.R., Cheblakov, P.B., Dorohov, V.L., Eidelman, S.I., Grigoriev, D.N., Glukhov, S.A., Kaminskiy, V.V., Karnaev, S.E., Karpov, G.V., Karpov, S.V., Karukina, K.Yu., Kashtankin, D.P., Kasyanenko, P.V., Kharlamova, T.A., Kiselev, V.A., Kolmogorov, V.V., Kononov, S.A., Kotov, K.Yu., Krasnov, A.A., Kravchenko, E.A., Kudryavtsev, V.N., Kulikov, V.F., Kurkin, G.Ya., Kuyanov, I.A., Levichev, E.B., Maksimov, D.A., Malyshev, V.M., Maslennikov, A.L., Meshkov, O.I., Mishnev, S.I., Morozov, I.A., Morozov, I.I., Nikitin, S.A., Nikolaev, I.B., Okunev, I.N., Onuchin, A.P., Oreshkin, S.B., Osipov, A.A., Ovtin, I.V., Peleganchuk, S.V., Pivovarov, S.G., Piminov, P.A., Petrov, V.V., Prisekin, V.G., Rezanova, O.L., Ruban, A.A., Savinov, G.A., Shamov, A.G., Shatilov, D.N., Shvedov, D.A., Shwartz, B.A., Simonov, E.A., Sinyatkin, S.V., Skrinsky, A.N., Sokolov, A.V., Sukhanov, D.P., Sukharev, A.M., Starostina, E.V., Talyshev, A.A., Tayursky, V.A., Telnov, V.I., Tikhonov, Yu.A., Todyshev, K.Yu., Tribendis, A.G., Tumaikin, G.M., Usov, Yu.V., Vorobiov, A.I., Zhilich, V.N., Zhukov, A.A., Zhulanov, V.V., and Zhuravlev, A.N.

Published
2019
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39. Study of the process e+e−→KS0KS0π+π− in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

Author

Akhmetshin, R.R., primary, Amirkhanov, A.N., additional, Anisenkov, A.V., additional, Aulchenko, V.M., additional, Banzarov, V.Sh., additional, Bashtovoy, N.S., additional, Berkaev, D.E., additional, Bondar, A.E., additional, Bragin, A.V., additional, Eidelman, S.I., additional, Epifanov, D.A., additional, Epshteyn, L.B., additional, Erofeev, A.L., additional, Fedotovich, G.V., additional, Gayazov, S.E., additional, Grancagnolo, F.J., additional, Grebenuk, A.A., additional, Gribanov, S.S., additional, Grigoriev, D.N., additional, Ignatov, F.V., additional, Ivanov, V.L., additional, Karpov, S.V., additional, Kasaev, A.S., additional, Kazanin, V.F., additional, Koop, I.A., additional, Korobov, A.A., additional, Kozyrev, A.N., additional, Kozyrev, E.A., additional, Krokovny, P.P., additional, Kuzmenko, A.E., additional, Kuzmin, A.S., additional, Logashenko, I.B., additional, Lukin, P.A., additional, Lysenko, A.P., additional, Mikhailov, K.Yu., additional, Okhapkin, V.S., additional, Perevedentsev, E.A., additional, Pestov, Yu.N., additional, Popov, A.S., additional, Razuvaev, G.P., additional, Ruban, A.A., additional, Ryskulov, N.M., additional, Ryzhenenkov, A.E., additional, Semenov, A.V., additional, Shatunov, Yu.M., additional, Shebalin, V.E., additional, Shemyakin, D.N., additional, Shwartz, B.A., additional, Shwartz, D.B., additional, Sibidanov, A.L., additional, Solodov, E.P., additional, Timoshenko, M.V., additional, Titov, V.M., additional, Talyshev, A.A., additional, Vorobiov, A.I., additional, Zemlyansky, I.M., additional, and Yudin, Yu.V., additional

Published
2020
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40. Recent results from the CMD-3 detector

Author

Lukin, P.A., primary, Akhmetshin, R.R., additional, Amirkhanov, A.N., additional, Anisenkov, A.V., additional, Aulchenko, V.M., additional, Banzarov, V.Sh., additional, Bashtovoy, N.S., additional, Berkaev, D.E., additional, Bondar, A.E., additional, Bragin, A.V., additional, Eidelman, S.I., additional, Epifanov, D.A., additional, Epshtein, L.B., additional, Erofeev, A.L., additional, Fedotovich, G.V., additional, Gayazov, S.E., additional, Grebenuk, A.A., additional, Gribanov, S.S., additional, Grigoriev, D.N., additional, Ignatov, F.V., additional, Ivanov, V.L., additional, Karpov, S.V., additional, Kazanin, V.F., additional, Koop, I.A., additional, Kirpotin, A.N., additional, Korobov, A.A., additional, Kozyrev, A.N., additional, Kozyrev, E.A., additional, Krokovny, P.P., additional, Kuzmenko, A.E., additional, Kuzmin, A.S., additional, Logashenko, I.B., additional, Mikhailov, K.Yu., additional, Okhapkin, V.S., additional, Otboev, A.V., additional, Pestov, Yu.N., additional, Popov, A.S., additional, Razuvaev, G.P., additional, Rogovsky, Yu.A., additional, Ruban, A.A., additional, Ryskulov, N.M., additional, Ryzhenenkov, A.E., additional, Semenov, A.V., additional, Senchenko, A.I., additional, Shatunov, P.Yu., additional, Shatunov, Yu.M., additional, Shebalin, V.E., additional, Shemyakin, D.N., additional, Shwartz, B.A., additional, Shwartz, D.B., additional, Sibidanov, A.L., additional, Solodov, E.P., additional, Talyshev, A.A., additional, Titov, V.M., additional, Vorobiov, A.I., additional, Yudin, Yu.V., additional, and Zemlyansky, I.M., additional

Published
2020
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41. Study of the process → with the CMD-3 detector at the VEPP-2000 collider

Author

Ivanov, V.L., Fedotovich, G.V., Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Banzarov, V.Sh., Bashtovoy, N.S., Berkaev, D.E., Bondar, A.E., Bragin, A.V., Eidelman, S.I., Epifanov, D.A., Epshteyn, L.B., Erofeev, A.L., Gayazov, S.E., Grebenuk, A.A., Gribanov, S.S., Grigoriev, D.N., Ignatov, F.V., Karpov, S.V., Kasaev, A.S., Kazanin, V.F., Koop, I.A., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Lysenko, A.P., Mikhailov, K.Yu., Okhapkin, V.S., Perevedentsev, E.A., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Semenov, A.V., Shatunov, Yu.M., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Solodov, E.P., Timoshenko, M.V., Titov, V.M., Talyshev, A.A., Tolmachev, S.S., Vorobiov, A.I., and Yudin, Yu.V.

Abstract

The process e+e−→K+K−η has been studied in the center-of-mass energy range from 1.59 to 2.007 GeV using the data sample of 59.5 pb$^{−1}$, collected with the CMD-3 detector at the VEPP-2000 e+e− collider in 2011, 2012 and 2017. The K+K−η final state is found to be dominated by the contribution of the ϕ(1020)η intermediate state. The cross section of the process e+e−→ϕ(1020)η has been measured with a systematic uncertainty of 5.1% on the base of 3009 ± 67 selected events. The obtained cross section has been used to calculate the contribution to the anomalous magnetic moment of the muon: aμϕη(E<1.8GeV)=(0.321±0.015stat±0.016syst)×10−10, aμϕη(E<2.0GeV)=(0.440±0.015stat±0.022syst)×10−10. From the cross section approximation the ϕ(1680) meson parameters have been determined with better statistical precision, than in previous studies.

Published
2019

42. Study of the process → 3( ) in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

Author

Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Banzarov, V.Sh., 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., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kazanin, V.F., Koop, I.A., Kirpotin, A.N., Korobov, A.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Mikhailov, K.Yu., Okhapkin, V.S., Otboev, A.V., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Rogovsky, Yu.A., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Senchenko, A.I., Shatunov, Yu.M., Shatunov, P.Yu., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Solodov, E.P., Titov, V.M., Talyshev, A.A., Vorobiov, A.I., Zemlyansky, I.M., and Yudin, Yu.V.

Abstract

The cross section of the process e+e−→3(π+π−)π0 has been measured for the first time using a data sample of 56.7 pb$^{−1}$ collected with the CMD-3 detector at the VEPP-2000 e+e− collider. 632±32 signal events have been selected in the center-of-mass energy range 1.6–2.0 GeV. A study of dynamics of seven-pion production allows one to extract contributions of the dominated 2(π+π−)ω and 2(π+π−)η intermediate states.

Published
2019

43. Recent results of the study of hadronic production with the CMD-2 and SND detectors at the VEPP-2M collider

Author

Achasov, M.N., Akhmetshin, R.R., Aulchenko, V.M., Banzarov, V.Sh., Baratt, A., Barkov, L.M., Baru, S.E., Bashtovoy, N.S., Beloborodov, K.I., Berdugin, A.V., Bogdanchikov, A.G., Bondar, A.E., Bondarev, D.V., Bozhenok, A.V., Bragin, A.V., Bukin, A.D., Bukin, D.A., Dimova, T.V., Druzhinin, V.P., Eidelman, S.I., Epifanov, D.A., Fedotovitch, G.V., Gabyshev, N.I., Gorbachev, D.A., Grebeniuk, A.A., Grigoriev, D.N., Hughes, V.W., Ignatov, F.V., Karpov, S.V., Kazanin, V.F., Khazin, B.I., Koop, I.A., Korol, A.A., Koshuba, S.V., Krokovny, P.P., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Lysenko, A.P., Mikhailov, K.Y., Milstein, A.I., Nesterenko, I.N., Okhapkin, V.S., Otboev, A.V., Pakhtusova, E.V., Perevedentsev, E.A., Polunin, A.A., Popov, A.S., Redin, S.I., Root, N.I., Ruban, A.A., Ryskulov, N.M., Serednyakov, S.I., Shamov, A.G., Shatunov, Y.M., Shwartz, B.A., Sibidanov, A.L., Sidorov, V.A., Silagadze, Z.K., Skrinsky, A.N., Snopkov, I.G., Solodov, E.P., Thompson, J.A., Usov, Y.V., Valishev, A.A., Vasiljev, A.V., Yudin, Y.V., Zaitsev, A.S., and Zverev, S.G.

Published
2004
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44. Precise measurements of the hadronic cross sections at the VEPP-2M collider with the CMD-2 detector

Author

Akhmetshin, R.R., Aulchenko, V.M., Banzarov, V.Sh., Barkov, L.M., Baru, S.E., Bashtovoy, N.S., Bondar, A.E., Bondarev, D.V., Bragin, A.V., Eidelman, S.I., Fedotovich, G.V., Gabyshev, N.I., Gorbachev, D.A., Grebeniuk, A.A., Grigoriev, D.N., Hughes, V.W., Ignatov, F.V., Karpov, S.V., Kazanin, V.F., Khazin, B.I., Koop, I.A., Krokovny, P.P., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Lysenko, A.P., Mikhailov, K.Yu., Miller, J.P., Okhapkin, V.S., Polunin, A.A., Popov, A.S., Redin, S.I., Roberts, B.L., Root, N.I., Ruban, A.A., Ryskulov, N.M., Shatunov, Yu.M., Shwartz, B.A., Sibidanov, A.L., Sidorov, V.A., Skrinsky, A.N., Snopkov, I.G., Solodov, E.P., Thompson, J.A., Titov, V.M., Valishev, A.A., Yudin, Yu.V., and Zverev, S.G.

Published
2004
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45. Measurement of [formula omitted] for ψ(2S) meson

Author

Anashin, V.V., Anchugov, O.V., Aulchenko, V.M., Baldin, E.M., Baranov, G.N., Barladyan, A.K., Barnyakov, A.Yu., Barnyakov, M.Yu., Baru, S.E., Basok, I.Yu., Batrakov, A.M., Bekhtenev, E.A., Blinov, A.E., Blinov, V.E., Bobrov, A.V., Bobrovnikov, V.S., Bogomyagkov, A.V., Bondar, A.E., Buzykaev, A.R., Cheblakov, P.B., Dorohov, V.L., Eidelman, S.I., Grigoriev, D.N., Glukhov, S.A., Karnaev, S.E., Karpov, G.V., Karpov, S.V., Karukina, K.Yu., Kashtankin, D.P., Kharlamova, T.A., Kiselev, V.A., Kolmogorov, V.V., Kononov, S.A., Kotov, K.Yu., Krasnov, A.A., Kravchenko, E.A., Kudryavtsev, V.N., Kulikov, V.F., Kurkin, G.Ya., Kuyanov, I.A., Kuper, E.A., Levichev, E.B., Maksimov, D.A., Malyshev, V.M., Maslennikov, A.L., Meshkov, O.I., Mishnev, S.I., Morozov, I.A., Morozov, I.I., Muchnoi, N.Yu., Nikitin, S.A., Nikolaev, I.B., Okunev, I.N., Onuchin, A.P., Oreshkin, S.B., Osipov, A.A., Ovtin, I.V., Peleganchuk, S.V., Pivovarov, S.G., Piminov, P.A., Petrov, V.V., Prisekin, V.G., Rezanova, O.L., Ruban, A.A., Savinov, G.A., Shamov, A.G., Shatilov, D.N., Shvedov, D.A., Shwartz, B.A., Simonov, E.A., Sinyatkin, S.V., Skrinsky, A.N., Sokolov, A.V., Sukhanov, D.P., Sukharev, A.M., Starostina, E.V., Talyshev, A.A., Tayursky, V.A., Telnov, V.I., Tikhonov, Yu.A., Todyshev, K.Yu., Tribendis, A.G., Tumaikin, G.M., Usov, Yu.V., Vorobiov, A.I., Zhilich, V.N., Zhukov, A.A., Zhulanov, V.V., and Zhuravlev, A.N.

Published
2018
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46. Study of the process e+e− → K+K− in the center-of-mass energy range 1010–1060 MeV with the CMD-3 detector

Author

Kozyrev, E.A., Solodov, E.P., 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., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kasaev, A.S., Kazanin, V.F., Korobov, A.A., Koop, I.A., Kozyrev, A.N., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., 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., Talyshev, A.A., Vorobiov, A.I., and Yudin, Yu.V.

Published
2018
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47. Study of the process e+e−→KS0KL0 in the center-of-mass energy range 1004–1060 MeV with the CMD-3 detector at the VEPP-2000 e+e− collider

Author

Kozyrev, E.A., Solodov, E.P., 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., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kasaev, A.S., Kazanin, V.F., Kirpotin, A.N., Korobov, A.A., Kovalenko, O.A., Kozyrev, A.N., Koop, I.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Mikhailov, K.Yu., Okhapkin, V.S., Otboev, A.V., Pestov, Yu.N., Popov, A.S., Razuvaev, G.P., Ruban, A.A., Ryskulov, N.M., Ryzhenenkov, A.E., Senchenko, A.I., Shebalin, V.E., Shemyakin, D.N., Shwartz, B.A., Shwartz, D.B., Sibidanov, A.L., Shatunov, P.Yu., Shatunov, Yu.M., Titov, V.M., Talyshev, A.A., Vorobiov, A.I., and Yudin, Yu.V.

Subjects
Nuclear and High Energy Physics
Published
2016
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48. Study of the process e+e−→pp¯ in the c.m. energy range from threshold to 2 GeV with the CMD-3 detector

Author

Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Banzarov, V.Sh., 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., Gromov, E.M., Ignatov, F.V., Ivanov, V.L., Karpov, S.V., Kasaev, A.S., Kazanin, V.F., Khazin, B.I., Kirpotin, A.N., Koop, I.A., Kovalenko, O.A., Kozyrev, A.N., Kozyrev, E.A., Krokovny, P.P., Kuzmenko, A.E., Kuzmin, A.S., Logashenko, I.B., Lukin, P.A., Mikhailov, K.Yu., Okhapkin, V.S., Otboev, A.V., Pestov, Yu.N., Pivovarov, S.G., Popov, A.S., Razuvaev, G.P., Romanov, A.L., 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, P.Yu., Shatunov, Yu.M., Solodov, E.P., Titov, V.M., Talyshev, A.A., Vorobiov, A.I., Yudin, Yu.V., and Zharinov, Yu.M.

Subjects
Nuclear and High Energy Physics
Published
2016
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49. Final analysis of KEDR data on J/ψ and ψ(2S) masses

Author

Anashin, V.V.Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia, Aulchenko, V.M.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Baldin, E.M.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Barladyan, A.K.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Barnyakov, A.Yu.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Barnyakov, M.Yu.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Baru, S.E.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Basok, I.Yu.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Batrakov, A.M.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Blinov, A.E.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Blinov, V.E.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Bobrov, A.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Bobrovnikov, V.S.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Bogomyagkov, A.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Bondar, A.E.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Borodenko, A.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Buzykaev, A.R.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Eidelman, S.I.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Grigoriev, D.N.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Glukhovchenko, Yu.M.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Karnaev, S.E.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Karpov, G.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Karpov, S.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kharlamova, T.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kiselev, V.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kolmogorov, V.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kononov, S.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kotov, K.Yu.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kravchenko, E.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kudryavtsev, V.N.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kulikov, V.F.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kurkin, G.Ya.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kuyanov, I.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Kuper, E.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Levichev, E.B.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Maksimov, D.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Malyshev, V.M.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Maslennikov, A.L.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Meshkov, O.I.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Mishnev, S.I.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Morozov, I.I.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Muchnoi, N.Yu.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Neufeld, V.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Nikitin, S.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Nikolaev, I.B.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Okunev, I.N.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Onuchin, A.P.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Oreshkin, S.B.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Osipov, A.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Ovtin, I.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Peleganchuk, S.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Pivovarov, S.G.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Piminov, P.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Petrov, V.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Prisekin, V.G.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Rezanova, O.L.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Ruban, A.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Sandyrev, V.K.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Savinov, G.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Shamov, A.G.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Shatilov, D.N.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Shwartz, B.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Simonov, E.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Sinyatkin, S.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Skrinsky, A.N.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Sokolov, A.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Sukharev, A.M.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Starostina, E.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Talyshev, A.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Tayursky, V.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Telnov, V.I.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Tikhonov, Yu.A.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Todyshev, K.Yu.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Tumaikin, G.M.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Usov, Yu.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Vorobiov, A.I.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Zhilich, V.N.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), Zhulanov, V.V.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia), and Zhuravlev, A.N.(Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, Novosibirsk, 630090, Russia)

Subjects
lcsh:Physics, lcsh:QC1-999
Abstract

We present the analysis of all KEDR data on the determination of J/ψ and ψ(2S) masses. The data comprise six scans of J/ψ and seven scans of ψ(2S) which were performed at the VEPP-4M e+e− collider in 2002–2008. The beam energy was determined using the resonance depolarization method. The detector and accelerator conditions during scans were very different that increases the reliability of the averaged results. The analysis accounts for partial correlations of systematic uncertainties on the masses. The following mass values were obtained: MJ/ψ=3096.900±0.002±0.006 MeV,Mψ(2S)=3686.099±0.004±0.009 MeV. These results supersede our previous measurements published in 2003 and 2012.

Published
2015

50. Final analysis of KEDR data on J / ψ and ψ ( 2 S ) masses

Author

Anashin, V.V., Aulchenko, V.M., Baldin, E.M., Barladyan, A.K., Barnyakov, A.Yu., Barnyakov, M.Yu., Baru, S.E., Basok, I.Yu., Batrakov, A.M., Blinov, A.E., Blinov, V.E., Bobrov, A.V., Bobrovnikov, V.S., Bogomyagkov, A.V., Bondar, A.E., Borodenko, A.A., Buzykaev, A.R., Eidelman, S.I., Grigoriev, D.N., Glukhovchenko, Yu.M., Karnaev, S.E., Karpov, G.V., Karpov, S.V., Kharlamova, T.A., Kiselev, V.A., Kolmogorov, V.V., Kononov, S.A., Kotov, K.Yu., Kravchenko, E.A., Kudryavtsev, V.N., Kulikov, V.F., Kurkin, G.Ya., Kuyanov, I.A., Kuper, E.A., Levichev, E.B., Maksimov, D.A., Malyshev, V.M., Maslennikov, A.L., Meshkov, O.I., Mishnev, S.I., Morozov, I.I., Muchnoi, N.Yu., Neufeld, V.V., Nikitin, S.A., Nikolaev, I.B., Okunev, I.N., Onuchin, A.P., Oreshkin, S.B., Osipov, A.A., Ovtin, I.V., Peleganchuk, S.V., Pivovarov, S.G., Piminov, P.A., Petrov, V.V., Prisekin, V.G., Rezanova, O.L., Ruban, A.A., Sandyrev, V.K., Savinov, G.A., Shamov, A.G., Shatilov, D.N., Shwartz, B.A., Simonov, E.A., Sinyatkin, S.V., Skrinsky, A.N., Sokolov, A.V., Sukharev, A.M., Starostina, E.V., Talyshev, A.A., Tayursky, V.A., Telnov, V.I., Tikhonov, Yu.A., Todyshev, K.Yu., Tumaikin, G.M., Usov, Yu.V., Vorobiov, A.I., Zhilich, V.N., Zhulanov, V.V., and Zhuravlev, A.N.

Subjects
Nuclear and High Energy Physics
Published
2015
Full Text
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