Related papers: Recent results from SND detector at VEPP-2M

Observation of the decay PHI(1020)--->OMEGA+PI0

The reaction e^+e^- ---> OMEGA+PI0 ---> PI+PI- 2PI0 has been studied with SND detector at VEPP-2M e^+e^- collider in the vicinity of the PHI(1020) meson resonance. The observed interference pattern in the energy dependence of the cross…

High Energy Physics - Experiment · Physics 2008-11-26 M. N. Achasov , S. E. Baru , A. V. Berdyugin , A. V. Bozhenok , D. A. Bukin , S. V. Burdin , T. V. Dimova , S. I. Dolinsky , V. P. Druzhinin , M. S. Dubrovin , I. A. Gaponenko , V. B. Golubev , V. N. Ivanchenko , A. A. Korol , M. S. Korostelev , S. V. Koshuba , E. V. Pakhtusova , A. A. Polunin , E. E. Pyata , A. A. Salnikov , V. V. Shary , S. I. Serednyakov , Yu. M. Shatunov , V. A. Sidorov , A. N. Skrinsky , Z. K. Silagadze , Yu. S. Velikzhanin

Measurement of e+e- -> phi -> K+K- cross section with the CMD-2 detector at VEPP-2M Collider

The process e+ e- -> phi -> K+ K- has been studied with the CMD-2 detector using about 542 000 events detected in the center-of-mass energy range from 1.01 to 1.034 GeV. The systematic error of the cross section is estimated to be 2.2%. The…

High Energy Physics - Experiment · Physics 2012-08-27 2 Collaboration , R. R. Akhmetshin , V. M. Aulchenko , V. Sh. Banzarov , L. M. Barkov , S. E. Baru , N. S. Bashtovoy , A. E. Bondar , D. V. Bondarev , A. V. Bragin , S. I. Eidelman , D. A. Epifanov , G. V. Fedotovich , N. I. Gabyshev , A. A. Grebeniuk , D. N. Grigoriev , F. V. Ignatov , S. V. Karpov , V. F. Kazanin , B. I. Khazin , I. A. Koop , P. P. Krokovny , A. S. Kuzmin , I. B. Logashenko , P. A. Lukin , A. P. Lysenko , K. Yu. Mikhailov , V. S. Okhapkin , E. A. Perevedentsev , A. S. Popov , S. I. Redin , A. A. Ruban , N. M. Ryskulov , Yu. M. Shatunov , B. A. Shwartz , A. L. Sibidanov , I. G. Snopkov , E. P. Solodov , Yu. V. Yudin

Study of QED processes e+ e- --> e+ e- gamma, e+ e- gamma gamma with the SND detector at VEPP-2M

Results of the SND experiment at the VEPP-2M e+ e- collider on the QED processes e+ e- --> e+ e- gamma and e+ e- --> e+ e- gamma gamma with production at large angles are presented. Energy and angular distributions of the final particles…

High Energy Physics - Experiment · Physics 2009-01-07 M. N. Achasov , S. E. Baru , A. V. Bozhenok , A. D. Bukin , D. A. Bukin , S. V. Burdin , T. V. Dimova , S. I. Dolinsky , V. P. Druzhinin , M. S. Dubrovin , I. A. Gaponenko , V. B. Golubev , V. N. Ivanchenko , A. A. Korol , S. V. Koshuba , A. P. Lysenko , I. N. Nesterenko , E. V. Pakhtusova , S. I. Serednyakov , V. V. Shary , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , Yu. V. Usov

Study of the $\pi\pi$ mass spectra in the process $e^+e^- \to \pi^+\pi^-\pi^0$ at $\sqrt[]{s} \simeq 1020$ MeV

The invariant mass spectra of the $\pi^+\pi^-$ and $\pi^\pm\pi^0$ pairs in the process $e^+e^- \to \pi^+\pi^-\pi^0$ were studied in the SND experiment at the VEPP-2M collider in the energy region $\sqrt[]{s} \simeq 1020$ MeV. These studies…

High Energy Physics - Experiment · Physics 2010-05-28 M. N. Achasov , V. M. Aulchenko , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. V. Bozhenok , A. D. Bukin , D. A. Bukin , S. V. Burdin , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , V. N. Ivanchenko , P. M. Ivanov , A. A. Korol , M. S. Korostelev , S. V. Koshuba , A. V. Otboev , E. V. Pakhtusova , E. A. Perevedentsev , A. A. Salnikov , S. I. Serednyakov , V. V. Shary , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. V. Vasiljev , Yu. S. Velikzhanin

Rare Phi Decays and Exotic Hadrons

The results of the experimental study of the reactions e+e-->\pi\pi\gamma, \eta\pi\gamma, \eta'\gamma, \omega\pi,... at VEPP-2M collider with CMD-2 and SND detectors are presented. The branching ratios of \phi, \rho, \omega rare decays were…

High Energy Physics - Experiment · Physics 2011-04-15 Sergey Serednyakov

Status of Experiments and Recent Results from CMD-2 Detector at Vepp-2M

The Cryogenic Magnetic Detector (CMD-2) is shortly described. Preliminary results for the cross sections of $e^+$ $e^-$ annihilation into hadrons and leptons are presented in the c.m. energy range from 0.37 to 1.39 GeV. The total integrated…

High Energy Physics - Experiment · Physics 2007-05-23 A. I. Milstein

Study of the process $e^+e^-\to K_S^0 K^{\pm}\pi^{\mp} \pi^+\pi^-$ in the C.M. energy range 1.6--2.0 GeV with the CMD-3 detector

The cross section of the process $e^+e^- \to K_S^0 K^{\pm}\pi^{\mp}\pi^+\pi^-$ 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…

High Energy Physics - Experiment · Physics 2022-12-07 3 Collaboration

On a search for the $\eta \rightarrow e^+ e^-$ decay at the VEPP-2000 $e^+e^-$ collider

A sensitivity of the VEPP-2000 $e^+e^-$ collider in a search for the rare decay $\eta \rightarrow e^+ e^-$ has been studied. The inverse reaction $e^+ e^- \rightarrow \eta$ is proposed for this search. We have analyzed a data sample with an…

High Energy Physics - Experiment · Physics 2016-01-20 M. N. Achasov , A. Yu. Barnyakov , K. I. Beloborodov A. V. Berdyugin , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , L. V. Kardapoltsev , A. G. Kharlamov , I. A. Koop , L. A. Korneev , A. A. Korol , D. P. Kovrizhin , A. S. Kupich , A. P. Lysenko , K. A. Martin , N. Yu. Muchnoi , A. E. Obrazovsky , E. V. Pakhtusova , E. A. Perevedentsev , Yu. A. Rogovsky , A. I. Senchenko , S. I. Serednyakov , Z. K. Silagadze , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , A. N. Skrinsky , I. K. Surin , Yu. A. Tikhonov , Yu. V. Usov , A. V. Vasiljev , I. M. Zemlyansky

Study of the process $e^+ e^- \to K^0_{S}K^0_{L}$ in the center-of-mass energy range 1004--1060 MeV with the CMD-3 detector at the VEPP-2000 $e^+ e^-$ collider

The $e^+ e^- \to K^0_{S}K^0_{L}$ cross section has been measured in the center-of-mass energy range 1004--1060 MeV at 25 energy points using $6.1 \times 10^5$ events with $K^0_{S}\to \pi^+\pi^-$ decay. The analysis is based on 5.9 pb$^{-1}$…

High Energy Physics - Experiment · Physics 2018-08-25 E. A. Kozyrev

Measurement of the decay phi->mu+mu-

The process e^+e^- ->mu^+mu^- has been studied with SND detector at VEPP-2M e^+e^- collider in the vicinity of phi(1020) resonance. The product of branching ratios of phi meson into leptons \sqrt{B(phi->mu^+mu^-) B(phi->…

High Energy Physics - Experiment · Physics 2019-08-17 M. N. Achasov , S. E. Baru , A. V. Bozhenok , D. A. Bukin , S. V. Burdin , T. V. Dimova , V. P. Druzhinin , M. S. Dubrovin , I. A. Gaponenko , V. B. Golubev , V. N. Ivanchenko , P. I. Ivanov , A. A. Korol , S. V. Koshuba , E. A. Perevedentsev , E. E. Pyata , A. A. Salnikov , S. I. Serednyakov , V. V. Shary , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , Yu. V. Usov

Observation of $K_S^0$ semileptonic decays with CMD-2 detector

The decay $K_S^0 \to \pi e \nu$ has been observed by the CMD-2 detector at the e^+e^- collider VEPP-2M at Novosibirsk. Of 6 million produced $K_L^0K_S^0$ pairs, $75 \pm 13$ events of the $K_S^0 \to \pi e \nu$ decay were selected. The…

High Energy Physics - Experiment · Physics 2012-08-27 CMD2 Collaboration

Study of the process $e^+e^-\to n\bar{n}$ at the VEPP-2000 $e^+e^-$ collider with the SND detector

The process $e^+e^-\to n\bar{n}$ has been studied at the VEPP-2000 $e^+e^-$ collider with the SND detector in the energy range from threshold up to 2 GeV. As a result of the experiment, the $e^+e^-\to n\bar{n}$ cross section and effective…

High Energy Physics - Experiment · Physics 2014-12-17 M. N. Achasov , A. Yu. Barnyakov , K. I. Beloborodov , A. V. Berdyugin , D. E. Berkaev , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , L. V. Kardapoltsev , A. S. Kasaev , A. G. Kharlamov , A. N. Kirpotin , I. A. Koop , A. A. Korol , S. V. Koshuba , D. P. Kovrizhin , A. S. Kupich , K. A. Martin , A. E. Obrazovsky , E. V. Pakhtusova , Yu. A. Rogovsky , A. I. Senchenko , S. I. Serednyakov , Z. K. Silagadze , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , A. N. Skrinsky , I. K. Surin , Yu. A. Tikhonov , Yu. V. Usov , A. V. Vasiljev

Study of dynamics of the process $e^+e^-\to \pi^+\pi^-\pi^0$ in the energy range 1.15--2.00 GeV

The dynamics of the process $ e^+e^- \to \pi^+\pi^-\pi^0 $ is studied in the energy region from 1.15 to 2.00 GeV using data accumulated with the SND detector at the VEPP-2000 $e^+e^-$ collider. The Dalitz plot distribution and $\pi^+\pi^-$…

High Energy Physics - Experiment · Physics 2020-11-02 SND Collaboration , M. N. Achasov , A. Yu. Barnyakov , A. A. Baykov , K. I. Beloborodov , A. V. Berdyugin , D. E. Berkaev , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , A. N. Kirpotin , L. V. Kardapoltsev , A. S. Kasaev , A. G. Kharlamov , I. A. Koop , A. A. Korol , D. P. Kovrizhin , A. S. Kupich , K. A. Martin , N. A. Melnikova , N. Yu. Muchnoi , A. E. Obrazovsky , E. V. Pakhtusova , K. V. Pugachev , D. V. Rabusov , Yu. A. Rogovsky , Y. S. Savchenko , A. I. Senchenko , S. I. Serednyakov , D. N. Shatilov , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , Z. K. Silagadze , I. K. Surin , M. V. Timoshenko , Yu. V. Usov , V. N. Zhabin , V. V. Zhulanov

Study of the Process $e^+e^-\to \pi^+\pi^-\pi^+\pi^-$ IN THE C.M. Energy Range 920--1060 MeV with the CMD-3 Detector

A cross section of the process $e^+e^- \to \pipi\pipi$ has been measured using 6798$\pm$93 signal events from a data sample corresponding to an integrated luminosity of 9.8 pb$^{-1}$ collected with the CMD-3 detector in the center-of-mass…

High Energy Physics - Experiment · Physics 2017-03-22 R. R. Akhmetshin , A. N. Amirkhanov , A. V. Anisenkov , V. M. Aulchenko , V. Sh. Banzarov , N. S. Bashtovoy , D. E. Berkaev , A. E. Bondar , A. V. Bragin , S. I. Eidelman , D. A. Epifanov , L. B. Epshteyn , A. L. Erofeev , G. V. Fedotovich , S. E. Gayazov , A. A. Grebenuk , S. S. Gribanov , D. N. Grigoriev , F. V. Ignatov , V. L. Ivanov , S. V. Karpov , A. S. Kasaev , V. F. Kazanin , I. A. Koop , O. A. Kovalenko , A. A. Korobov , A. N. Kozyrev , E. A. Kozyrev , P. P. Krokovny , A. E. Kuzmenko , A. S. Kuzmin , I. B. Logashenko , A. P. Lysenko , P. A. Lukin , K. Yu. Mikhailov , V. S. Okhapkin , Yu. N. Pestov , E. A. Perevedentsev , A. S. Popov , G. P. Razuvaev , Yu. A. Rogovsky , A. A. Ruban , N. M. Ryskulov , A. E. Ryzhenenkov , V. E. Shebalin , D. N. Shemyakin , B. A. Shwartz , D. B. Shwartz , A. L. Sibidanov , Yu. M. Shatunov , E. P. Solodov , V. M. Titov , A. A. Talyshev , A. I. Vorobiov , Yu. V. Yudin

Measurement of the $e^+e^- \to \omega\eta$ cross section below $\sqrt{s}=2$ GeV

The cross section for the process $e^+e^- \to \omega\eta$ is measured in the center-of-mass energy range 1.34--2.00 GeV. The analysis is based on data collected with the SND detector at the VEPP-2000 $e^+e^-$ collider. The measured $e^+e^-…

High Energy Physics - Experiment · Physics 2016-11-15 M. N. Achasov , A. Yu. Barnyakov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , L. V. Kardapoltsev , A. S. Kasaev , A. G. Kharlamov , A. N. Kirpotin , D. P. Kovrizhin , I. A. Koop , A. A. Korol , S. V. Koshuba , A. S. Kupich , K. A. Martin , N. A. Melnikova , A. E. Obrazovsky , E. V. Pakhtusova , A. I. Senchenko , S. I. Serednyakov , Z. K. Silagadze , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , A. N. Skrinsky , I. K. Surin , Yu. A. Tikhonov , A. V. Vasiljev

Study Of The Process $E^+E^-\To K_s^0 K_s^0 \Pi^+\Pi^-$ In The C.M. Energy Range 1.6--2.0 Gev With The Cmd-3 Detector

The cross section of the process $e^+e^- \to K_S^0 K_S^0\pi^+\pi^-$ 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$\pm$27 and 210$\pm$18 signal events have…

High Energy Physics - Experiment · Physics 2020-04-01 3 Collaboration

Measurement of hadron cross sections with the SND detector

New results on exclusive hadron production in $e^+e^-$ annihilation obtained in experiments with the SND detector at the VEPP-2M and VEPP-2000 $e^+e^-$ colliders are presented.

High Energy Physics - Experiment · Physics 2016-12-21 V. P. Druzhinin , M. N. Achasov , A. Yu. Barnyakov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. B. Golubev , L. V. Kardapoltsev , A. G. Kharlamov , A. A. Korol , S. V. Koshuba , D. P. Kovrizhin , A. S. Kupich , K. A. Martin , A. E. Obrazovsky , E. V. Pakhtusova , S. I. Serednyakov , D. A. Shtol , Z. K. Silagadze , I. K. Surin , Yu. V. Usov , A. V. Vasiljev

Measurement of the $e^+e^- \to K^+ K^- \pi^0$ cross section with the SND detector

The process $e^+e^-\to K^+K^-\pi^0$ is studied with the SND detector at the VEPP-2000 $e^+e^-$ collider. Basing on data with an integrated luminosity of 26.4~pb$^{-1}$ we measure the $e^+e^-\to K^+K^-\pi^0$ cross section in the…

High Energy Physics - Experiment · Physics 2021-01-01 M. N. Achasov , A. Yu. Barnyakov , M. Yu. Barnyakov , A. A. Baykov , K. I. Beloborodov , A. V. Berdyugin , D. E. Berkaev , A. G. Bogdanchikov , A. A. Botov , A. R. Buzykaev , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , L. V. Kardapoltsev , A. G. Kharlamov , A. A. Korol , D. P. Kovrizhin , E. A. Kravchenko , A. S. Kupich , A. P. Lysenko , K. A. Martin , N. Yu. Muchnoy , N. A. Melnikova , A. E. Obrazovsky , A. P. Onuchin , E. V. Pakhtusova , E. A. Perevedentsev , K. V. Pugachev , Y. S. Savchenko , S. I. Serednyakov , P. Yu. Shatunov , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , Z. K. Silagadze , I. K. Surin , Yu. A. Tikhonov , Yu. V. Usov , I. M. Zemlyansky , V. N. Zhabin , V. V. Zhulanov

First results from the CMD3 Detector at the VEPP2000 Collider

Regular data taking started at the VEPP2000 $e^+ e^-$ Collider with CMD3 and SND detectors. Energy scan for center-of-mass energy from 1 GeV to 2 GeV has been performed with about 20 pb$^{-1}$ per detector. We present first preliminary…

High Energy Physics - Experiment · Physics 2011-09-01 Evgeny P. Solodov

Measurement of the $e^+e^-\to\pi^+\pi^-$ cross section from threshold to 1.2 GeV with the CMD-3 detector

The cross section of the process $e^+e^-\to\pi^+\pi^-$ has been measured in the center of mass energy range from 0.32 to 1.2 GeV with the CMD-3 detector at the electron-positron collider VEPP-2000. The measurement is based on a full dataset…

High Energy Physics - Experiment · Physics 2024-06-06 3 Collaboration , F. V. Ignatov , R. R. Akhmetshin , A. N. Amirkhanov , A. V. Anisenkov , V. M. Aulchenko , N. S. Bashtovoy , D. E. Berkaev , A. E. Bondar , A. V. Bragin , S. I. Eidelman , D. A. Epifanov , L. B. Epshteyn , A. L. Erofeev , G. V. Fedotovich , A. O. Gorkovenko , F. J. Grancagnolo , A. A. Grebenuk , S. S. Gribanov , D. N. Grigoriev , V. L. Ivanov , S. V. Karpov , A. S. Kasaev , V. F. Kazanin , B. I. Khazin , A. N. Kirpotin , I. A. Koop , A. A. Korobov , A. N. Kozyrev , E. A. Kozyrev , P. P. Krokovny , A. E. Kuzmenko , A. S. Kuzmin , I. B. Logashenko , P. A. Lukin , A. P. Lysenko , K. Yu. Mikhailov , I. V. Obraztsov , V. S. Okhapkin , A. V. Otboev , E. A. Perevedentsev , Yu. N. Pestov , A. S. Popov , G. P. Razuvaev , Yu. A. Rogovsky , A. A. Ruban , N. M. Ryskulov , A. E. Ryzhenenkov , A. V. Semenov , A. I. Senchenko , P. Yu. Shatunov , Yu. M. Shatunov , V. E. Shebalin , D. N. Shemyakin , B. A. Shwartz , D. B. Shwartz , A. L. Sibidanov , E. P. Solodov , A. A. Talyshev , M. V. Timoshenko , V. M. Titov , S. S. Tolmachev , A. I. Vorobiov , I. M. Zemlyansky , D. S. Zhadan , Yu. M. Zharinov , A. S. Zubakin , Yu. V. Yudin