Related papers: Study of the process $e^+e^-\to n\bar{n}$ at the V…

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

Measurement of the $e^+e^- \to \eta\pi^+\pi^-$ cross section with the SND detector at the VEPP-2000 collider

The $e^+e^- \to \eta\pi^+\pi^-$ cross section is measured at the SND detector in the $\eta$ decay mode $\eta\to 3\pi^0$. The analysis is based on the data sample with an integrated luminosity of 32.7 pb$^{-1}$ collected at the VEPP-2000…

High Energy Physics - Experiment · Physics 2018-02-07 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. G. Kharlamov , I. A. Koop , A. A. Korol , D. P. Kovrizhin , S. V. Koshuba , A. S. Kupich , A. P. Lysenko , K. A. Martin , N. A. Melnikova , N. Yu. Muchnoi , A. E. Obrazovsky , E. V. Pakhtusova , E. A. Perevedentsev , K. V. Pugachev , E. V. Rogozina , S. I. Serednyakov , Z. K. Silagadze , Yu. M. Shatunov , P. Yu. Shatunov , D. A. Shtol , I. K. Surin , Yu. A. Tikhonov , Yu. V. Usov , A. V. Vasiljev , I. M. Zemlyansky

Measurement of the $e^+e^- \to \pi^+\pi^-\pi^0\eta$ cross section below $\sqrt{s}=2$ GeV

The process $e^+e^- \to \pi^+\pi^-\pi^0\eta$ is studied in the center-of-mass energy region below 2 GeV with the SND detector at the VEPP-2000 $e^+e^-$ collider. The four intermediate states contribute to this process: $\omega\eta$,…

High Energy Physics - Experiment · Physics 2019-06-19 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 , A. A. Korol , S. V. Koshuba , D. P. Kovrizhin , A. S. Kupich , R. A. Litvinov , A. P. Lysenko , K. A. Martin , N. A. Melnikova , N. Yu. Muchnoy , A. E. Obrazovsky , E. V. Pakhtusova , E. A. Perevedentsev , K. V. Pugachev , S. I. Serednyakov , P. Yu. Shatunov , Yu. M. Shatunov , D. A. Shtol , Z. K. Silagadze , A. N. Skrinsky , I. K. Surin , Yu. A. Tikhonov , A. V. Vasiljev , I. M. Zemlyansky

Measurement of the neutron timelike electric and magnetic form factors ratio at the VEPP-2000 $e^+e^-$ collider

In the experiment to study the e+e->n+anti n process at the VEPP-2000 $e^+e^-$ collider, the ratio |GE|/|GM| of the neutron timelike electric and magnetic form factors has been measured. The experiment was carried out with the SND detector…

High Energy Physics - Experiment · Physics 2026-04-13 M. N. Achasov , A. E. Alizzi , A. Yu. Barnyakov , E. V. Bedarev , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. P. Druzhinin , R. A. Efremov , V. N. Zhabin , V. V. Zhulanov , P. V. Zhulanova , L. V. Kardapoltsev , A. S. Kasaev , A. A. Kattsin , D. P. Kovrizhin , I. A. Koop , A. A. Korol , A. S. Kupich , A. P. Kryukov , N. A. Melnikova , N. Yu. Muchnoi , A. E. Obrazovsky , A. A. Oorzhak , I. V. Ovtin , E. V. Pakhtusova , I. A. Polomoshnov , K. V. Pugachev , S. A. Rastigeev , Yu. A. Rogovsky , A. I. Senchenko , S. I. Serednyakov , Z. K. Silagadze , K. D. Sungurov , I. K. Surin , Yu. V. Usov , A. G. Kharlamov , D. E. Chistyakov , D. A. Shtol

The process $e^+e^-\to\pi^+\pi^-\pi^0$ in the energy range 2E_0=1.04 - 1.38 GeV

In the experiment with the SND detector at VEPP-2M e^+e^- collider the process $e^+e^-\to\pi^+\pi^-\pi^0$ was studied in the energy range 2E_0 from 1.04 to 1.38 GeV. A broad peak was observed with the visible mass $M_{vis}=1220\pm 20$ MeV…

High Energy Physics - Experiment · Physics 2008-11-26 M. N. Achasov , V. M. Aulchenko , S. E. Baru , K. I. Beloborodov , A. V. Berdyugin , 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 , I. A. Koop , P. M. Ivanov , A. A. Korol , S. V. Koshuba , 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. N. Skrinsky , Y. V. Usov , A. V. Varganov , A. V. Vasilyev , Yu. S. Velikzhanin

Pion Form Factor at SND (new edition)

The update of the e^+e^-\to\pi^+\pi^- process cross section, measured in the energy region \sqrt{s}<1 GeV with SND detector at VEPP-2M collider is presented.

High Energy Physics - Experiment · Physics 2009-06-12 M. N. Achasov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. V. Bozhenok , A. D. Bukin , D. A. Bukin , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , A. A. Korol , S. V. Koshuba , E. V. Pakhtusova , S. I. Serednyakov , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , Yu. A. Tikhonov , A. V. Vasiljev

Study of the process $e^+e^- \to \pi^+\pi^-$ in the energy region 400<\sqrt[]{s}<1000 MeV

The cross section of the process e^+e^-\to \pi^+\pi^- was measured in the SND experiment at the VEPP-2M collider in the energy region 400<\sqrt[]{s}<1000 MeV. This measurement was based on about 12.4 \times 10^6 selected collinear events,…

High Energy Physics - Experiment · Physics 2009-06-12 M. N. Achasov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. V. Bozhenok , A. D. Bukin , D. A. Bukin , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , I. A. Koop , A. A. Korol , S. V. Koshuba , A. P. Lysenko , A. V. Otboev , E. V. Pakhtusova , S. I. Serednyakov , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , Yu. A. Tikhonov , A. V. Vasiljev

New results on e+e- -> hadrons exclusive cross sections from experiments with SND detector at VEPP-2M e+e- collider in the energy range sqrt(s)=0.4-1.4 GeV

New results of the e+e- -> pi+pi-, K+K-, K_SK_L, pi0/gamma, eta0/gamma processes cross section measurements are presented. The results are based on the 30 pb^-1 data, accumulated by SND detector at VEPP-2M e+e- collider in the energy range…

High Energy Physics - Experiment · Physics 2009-04-25 S. I. Serednyakov , M. N. Achasov , K. I. Beloborodov , A. G. Bogdanchikov , A. V. Bozhenok , A. D. Bukin , D. A. Bukin , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , A. A. Korol , S. V. Koshuba , E. V. Pakhtusova , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , Yu. A. Tikhonov , A. V. Vasiljev

The process $e^+e^-\to\omega\pi^0\to\pi^0\pi^0\gamma$ up to 1.4 GeV

The cross section of the $e^+e^-\to\omega\pi^0\to\pi^0\pi^0\gamma$ reaction was measured by the SND detector at VEPP-2M $e^+e^-$ collider in the energy range from threshold up to 1.4 GeV. Results of the cross section fitting by the sum of…

High Energy Physics - Experiment · Physics 2019-08-17 M. N. Achasov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. V. Bozhenok , D. A. Bukin , S. V. Burdin , V. B. Golubev , T. V. Dimova , A. A. Drozdetsky , V. P. Druzhinin , M. S. Dubrovin , V. N. Ivanchenko , A. A. Korol , S. V. Koshuba , G. A. Kukartsev , I. N. Nesterenko , E. V. Pakhtusova , E. A. Perevedentsev , V. M. Popov , A. A. Salnikov , S. I. Serednyakov , V. V. Shary , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , A. G. Skripkin , Yu. V. Usov , A. A. Valishev , A. V. Vasiljev , Yu. S. Velikzhanin

Updated measurement of the $e^+e^- \to \omega \pi^0 \to \pi^0\pi^0\gamma$ cross section with the SND detector

We analyze a 37 pb$^{-1}$ data sample collected with the SND detector at the VEPP-2000 $e^+e^-$ collider in the center-of-mass energy range 1.05--2.00 GeV and present an updated measurement of the $e^+e^- \to \omega \pi^0 \to…

High Energy Physics - Experiment · Physics 2016-12-07 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 , D. P. Kovrizhin , I. A. Koop , A. A. Korol , S. V. Koshuba , 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 , A. V. Vasiljev

Measurement of the $e^+e^- \to K^+K^-\pi^+\pi^-$ cross section with the CMD-3 detector at the VEPP-2000 collider

The process $e^+e^- \to K^+K^-\pi^+\pi^-$ has been studied in the center-of-mass energy range from 1500 to 2000\,MeV using a data sample of 23 pb$^{-1}$ collected with the CMD-3 detector at the VEPP-2000 $e^+e^-$ collider. Using about 24000…

High Energy Physics - Experiment · Physics 2016-03-09 D. N. Shemyakin , G. V. Fedotovich , R. R. Akhmetshin , A. N. Amirkhanov , A. V. Anisenkov , V. M. Aulchenko , V. Sh. Banzarov , N. S. Bashtovoy , A. E. Bondar , A. V. Bragin , S. I. Eidelman , D. A. Epifanov , L. B. Epshteyn , A. L. Erofeev , S. E. Gayazov , A. A. Grebenuk , S. S. Gribanov , D. N. Grigoriev , F. V. Ignatov , V. L. Ivanov , S. V. Karpov , V. F. Kazanin , I. A. Koop , A. A. Korobov , O. A. Kovalenko , 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 , 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 , I. M. Zemlyansky

Experiments at VEPP-2M with SND detector

Short overview of experiments with SND detector at VEPP-2M e^+e^- collider in the energy range 2E = 400 - 1400 MeV and preliminary results of data analysis are presented.

High Energy Physics - Experiment · Physics 2019-08-17 M. N. Achasov , V. M. Aulchenko , S. E. Baru , K. I. Beloborodov , A. V. Berdyugin , A. V. Bozhenok , A. D. Bukin , D. A. Bukin , S. V. Burdin , T. V. Dimova , S. I. Dolinsky , V. P. Druzhinin , M. S. Dubrovin , D. I. Ganushin , I. A. Gaponenko , V. B. Golubev , V. N. Ivanchenko , P. M. Ivanov , I. A. Koop , A. A. Korol , M. S. Korostelev , S. V. Koshuba , A. P. Lysenko , A. A. Mamutkin , I. N. Nesterenko , A. V. Otboev , E. V. Pakhtusova , E. A. Perevedentsev , A. A. Polunin , E. E. Pyata , A. A. Salnikov , S. I. Serednyakov , V. V. Shary , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , Yu. V. Usov , A. A. Valishev , A. V. Varganov , A. V. Vasiljev , Yu. S. Velikzhanin

Reanalysis of the $e^+e^-\to\eta\gamma$ reaction cross section

In the experiment with the SND detector at the VEPP-2M $e^+e^-$ collider measuring the $e^+e^-\to \eta\gamma$ cross section in the energy range $0.6<\sqrt{s}<1.38 \mathrm{GeV}$ the reanalysis of data is performed. The goal is to improve the…

High Energy Physics - Experiment · Physics 2008-11-26 M. N. Achasov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. D. Bukin , D. A. Bukin , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , A. A. Korol , S. V. Koshuba , E. V. Pakhtusova , S. I. Serednyakov , Z. K. Silagadze , A. V. Vasiljev

Study of the process $e^+e^-\to\eta\gamma\to 7\gamma$ in the energy range $\sqrt{s}$ = 1.07 -- 2 GeV

The $e^+e^-\to\eta\gamma$ cross section is measured in the center-of-mass energy range from 1.07 to 2.00 GeV in the decay channel $\eta\to 3\pi^0$, $\pi^0\to\gamma\gamma$. The data set with an integrated luminosity of 242 pb$^{-1}$…

High Energy Physics - Experiment · Physics 2024-06-26 SND Collaboration , M. N. Achasov , A. Yu. Barnyakov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. A. Botov , V. S. Denisov , T. V. Dimova , V. P. Druzhinin , L. B. Fomin , A. G. Kharlamov , L. V. Kardapoltsev , A. N. Kyrpotin , I. A. Koop , A. A. Korol , D. P. Kovrizhin , A. P. Kryukov , A. S. Kupich , N. A. Melnikova , N. Yu. Muchnoi , A. E. Obrazovsky , E. V. Pakhtusova , E. A. Perevedentsev , K. V. Pugachev , Yu. A. Rogovsky , S. I. Serednyakov , Z. K. Silagadze , I. K. Surin , M. V. Timoshenko , Yu. V. Usov , V. N. Zhabin , V. V. Zhulanov , I. M. Zemlyansky , Yu. M. Shatunov , D. A. Shtol , A. N. Shukaev , E. A. Eminov

Search for the $\eta^{\prime}\to e^+e^-$ decay with the SND detector

A search for the process $e^+e^- \to \eta^\prime$ has been performed with the SND detector at the VEPP-2000 $e^+e^-$ collider. The data were accumulated at the center-of-mass energy of $957.78\pm 0.06$ MeV with an integrated luminosity of…

High Energy Physics - Experiment · Physics 2015-06-03 M. N. Achasov , V. M. Aulchenko , 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 , N. Yu. Muchnoi , A. E. Obrazovsky , A. V. Otboev , E. V. Pakhtusova , A. I. Senchenko , 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 , A. V. Vasiljev , I. M. Zemlyansky

Measurement of the $e^+e^-\to\pi^+\pi^-\pi^0$ cross section in the energy region from 0.56 to 1.1 GeV with the SND detector

The precise measurement of the $e^+e^-\to\pi^+\pi^-\pi^0$ cross section is performed in the center-of-mass energy range $E = 560$--1100 MeV using a data sample of 66 pb$^{-1}$ collected in the experiment with the SND detector at the…

High Energy Physics - Experiment · Physics 2026-03-06 SND Collaboration , M. N. Achasov , A. E. Alizzi , A. Yu. Barnyakov , K. I. Beloborodov , A. V. Berdyugin , D. E. Berkaev , A. G. Bogdanchikov , A. A. Botov , V. S. Denisov , T. V. Dimova , V. P. Druzhinin , R. A. Efremov , E. A. Eminov , L. B. Fomin , L. V. Kardapoltsev , A. A. Kattsin , A. G. Kharlamov , I. A. Koop , A. A. Korol , D. P. Kovrizhin , A. S. Kupich , A. P. Kryukov , N. A. Melnikova , N. Yu. Muchnoi , A. E. Obrazovsky , A. A. Oorzhak , I. V. Ovtin , E. V. Pakhtusova , E. A. Perevedentsev , I. A. Polomoshnov , K. V. Pugachev , Yu. A. Rogovsky , V. A. Romanov , S. I. Serednyakov , Yu. M. Shatunov , D. A. Shtol , Z. K. Silagadze , K. D. Sungurov , M. V. Timoshenko , I. K. Surin , Yu. V. Usov , I. M. Zemlyansky , V. N. Zhabin , Yu. M. Zharinov , V. V. Zhulanov , P. V. Zhulanova

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

Study of the process $e^+e^-\to 3(\pi^+\pi^-)$ in the c.m.energy range 1.5--2.0 gev with the cmd-3 detector

The cross section of the process $e^+e^- \to 3(\pi^+\pi^-)$ has been measured using 22 pb$^{-1}$ of integrated luminosity collected with the CMD-3 detector at the VEPP-2000 $e^+e^-$ collider in the c.m. energy range 1.5 -- 2.0 GeV. The…

High Energy Physics - Experiment · Physics 2013-02-04 3 Collaboration , R. R. Akhmetshin , A. V. Anisenkov , S. A. Anokhin , V. M. Aulchenko , V. S. Banzarov , L. M. Barkov , N. S. Bashtovoy , D. E. Berkaev , A. E. Bondar , A. V. Bragin , S. I. Eidelman , D. A. Epifanov , L. B. Epshteyn , G. V. Fedotovich , S. E. Gayazov , A. A. Grebenuk , D. N. Grigoriev , E. N. Gromov , F. V. Ignatov , S. V. Karpov , V. F. Kazanin , B. I. Khazin , I. A. Koop , A. N. Kozyrev , P. P. Krokovny , A. E. Kuzmenko , A. S. Kuzmin , I. B. Logashenko , A. P. Lysenko , P. A. Lukin , K. Yu. Mikhailov , Yu. N. Pestov , E. A. Perevedentsev , S. A. Pirogov , S. G. Pivovarov , A. S. Popov , Yu. S. Popov , S. I. Redin , 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 , I. G. Snopkov , E. P. Solodov , V. M. Titov , A. A. Talyshev , A. I. Vorobiov , Yu. V. Yudin , A. S. Zaytsev

Observation of a Fine Structure in $e^+e^- \to$ hadrons Production at the Nucleon-antinucleon Threshold

A study of hadron production at the nucleon-antinucleon threshold has been performed with the CMD-3 detector at the VEPP-2000 $e^+e^-$ collider. A very fast rise with about 1 MeV width has been observed in the $e^+e^- \to p\bar p$ cross…

High Energy Physics - Experiment · Physics 2019-05-29 3 Collaboration

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