Related papers: Pion Form Factor at SND (new edition)

Update of the e^+e^-\to\pi^+\pi^- cross section measured by SND detector in the energy region 400<\sqrt{s}<1000 MeV

The corrected cross section of the e^+e^-\to\pi^+\pi^- process measured in the SND experiment at the VEPP-2M e^+e^- collider is presented. The update is necessary due to a flaw in the e^+e^-\to\pi^+\pi^- and e^+e^-\to\mu^+\mu^- Monte Carlo…

High Energy Physics - Experiment · Physics 2009-11-11 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

Study of the process $e^+e^- \to \pi^+\pi^-\pi^0$ in the energy region $\sqrt[]{s}$ below 0.98 GeV

The cross section of the process $e^+e^-\to \pi^+\pi^-\pi^0$ was measured in the Spherical Neutral Detector (SND) experiment at the VEPP-2M collider in the energy region $\sqrt[]{s}$ below 980 MeV. This measurement was based on about $1.2…

High Energy Physics - Experiment · Physics 2008-11-26 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 , E. V. Pakhtusova , S. I. Serednyakov , V. V. Shary , Yu. M. Shatunov , Z. K. Silagadze , A. N. Skrinsky , A. A. Valishev , A. V. Vasiljev

Measurement of the $e^+e^- \to\pi^+\pi^- $ process cross section with the SND detector at the VEPP-2000 collider in the energy region $0.525<\sqrt{s}<0.883$ GeV

The cross section of the process $e^+ e^-\to\pi^+\pi^-$ has been measured in the Spherical Neutral Detector (SND) experiment at the VEPP-2000 $e^+e^-$ collider VEPP-2000 in the energy region $525 <\sqrt[]{s} <883$ MeV. The measurement is…

High Energy Physics - Experiment · Physics 2021-02-24 SND Collaboration , M. N. Achasov , A. A. Baykov , 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 , 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 , Y. S. Savchenko , S. I. Serednyakov , Z. K. Silagadze , P. Yu. Shatunov , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , I. K. Surin , Yu. V. Usov , I. M. Zemlyansky , V. N. Zhabin

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 $e^+e^- \to \eta\pi^+\pi^-$ cross section in the center-of-mass energy range 1.22--2.00 GeV with the SND detector at the VEPP-2000 collider

In the experiment with the SND detector at the VEPP-2000 $e^+e^-$ collider the cross section for the process $e^+e^-\to\eta\pi^+\pi^-$ has been measured in the center-of-mass energy range from 1.22 to 2.00 GeV. Obtained results are in…

High Energy Physics - Experiment · Physics 2015-03-25 V. M. Aulchenko , 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 , A. A. Korol , S. V. Koshuba , D. P. Kovrizhin , A. S. Kupich , K. A. Martin , A. E. Obrazovsky , E. V. Pakhtusova , A. I. Senchenko , S. I. Serednyakov , Z. K. Silagadze , Yu. M. Shatunov , P. Ju. Shatunov , D. A. Shtol , D. B. Shwartz , A. N. Skrinsky , I. K. Surin , Yu. A. Tikhonov , Yu. V. Usov , A. V. Vasiljev

Study of the reaction $e^+e^- \to \pi^0\gamma$ with the SND detector at the VEPP-2M collider

The process $e^+e^- \to \pi^0\gamma$ has been studied in the experiment with the SND detector at the VEPP-2M $e^+e^-$ collider. The $e^+e^- \to \pi^0\gamma$ cross section has been measured in the center-of-mass energy range from 0.60 to…

High Energy Physics - Experiment · Physics 2016-05-09 M. N. Achasov , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , T. V. Dimova , V. P. Druzhinin , V. B. Golubev , I. A. Koop , A. A. Korol , S. V. Koshuba. E. V. Pakhtusova , S. I. Serednyakov , Yu. M. Shatunov , Z. K. Silagadze , A. N. Skrinsky , Yu. V. Usov , A. V. Vasiljev

Recent results from SND detector at VEPP-2M

The current status of experiments with SND detector at VEPP-2M $e^+e^-$ collider in the energy range $2E_0=0.4-1.4$ GeV is given. The new results of analysis of $\phi$ decay into $\pi^0\pi^0\gamma$, $\eta\pi^0\gamma$ are based on the full…

High Energy Physics - Experiment · Physics 2007-05-23 M. N. Achasov , V. M. Aulchenko , K. I. Beloborodov , A. V. Berdyugin , A. V. Bozhenok , A. G. Bogdanchikov , A. D. Bukin , D. A. Bukin , S. V. Burdin , T. V. Dimova , A. A. Drozdetsky , V. P. Druzhinin , V. B. Golubev , V. N. Ivanchenko , P. M. Ivanov , A. A. Korol , S. V. Koshuba , A. A. Mamutkin , E. V. Pakhtusova , E. A. Perevedentsev , E. E. Pyata , A. A. Salnikov , S. I. Serednyakov , V. V. Shary , A. G. Skripkin , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , A. V. Vasiljev

Review of experimental results from SND detector

The review of experimental results obtained with SND detector at VEPP-2M $e^+e^-$ collider in the energy region $\sqrt[]{s}=0.36$ -- 1.38 GeV is given. The presented results include the following items: studies of the light vector mesons…

High Energy Physics - Experiment · Physics 2019-08-17 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 , A. A. Drozdetski , V. P. Druzhinin , D. I. Ganushin , V. B. Golubev , V. N. Ivanchenko , P. M. Ivanov , A. A. Korol , S. V. Koshuba , I. N. Nesterenko , E. V. Pakhtusova , A. A. Polunin , 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. V. Vasiljev

Measurement of e+e- -> pi+pi- cross section with CMD-2 around rho-meson

The cross section of the process e+e- -> pi+pi- has been measured using about 114000 events collected by the CMD-2 detector at the VEPP-2M e+e- collider in the center-of-mass energy range from 0.61 to 0.96 GeV. Results of the pion form…

High Energy Physics - Experiment · Physics 2008-11-26 2 collaboration

Study of the process $e^+e^- \to \pi^+\pi^-\pi^0$ in the energy region $\sqrt[]{s}$ from 0.98 to 1.38 GeV.}

The cross section of the process $e^+e^-\to \pi^+\pi^-\pi^0$ was measured in the Spherical Neutral Detector experiment at the VEPP-2M collider in the energy region $\sqrt[]{s} = 980 \div 1380$ MeV. The measured cross section, together with…

High Energy Physics - Experiment · Physics 2008-11-26 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 , A. A. Korol , S. V. Koshuba , I. N. Nesterenko , E. V. Pakhtusova , A. A. Polunin , 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. V. Vasiljev

Measurement of the Pion Form Factor in the Energy Range 1.04-1.38 GeV with the CMD-2 Detector

The cross section for the process $e^+e^-\to\pi^+\pi^-$ is measured in the c.m. energy range 1.04-1.38 GeV from 995 000 selected collinear events including 860000 $e^+e^-$ events, 82000 $\mu^+\mu^-$ events, and 33000 $\pi^+\pi^-$ events.…

High Energy Physics - Experiment · Physics 2012-08-27 2 Collaboration , V. M. Aulchenko

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

Study of the process $e^+e^- \to \omega\pi^0 \to \pi^+\pi^-\pi^0\pi^0$ in the energy range $1.05-2.00$ GeV with SND

The process $e^+e^- \to \omega\pi^0 \to \pi^+\pi^-\pi^0\pi^0$ is studied in the center-of-mass energy region $1.05-2.00$ GeV using data with an integral luminosity of about 35 pb$^{-1}$ collected with the SND detector at the VEPP-2000…

High Energy Physics - Experiment · Physics 2023-09-04 SND Collaboration , M. N. Achasov , 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 , E. A. Eminov , L. B. Fomin , L. V. Kardapoltsev , A. G. Kharlamov , I. A. Koop , A. A. Korol , D. P. Kovrizhin , A. S. Kupich , A. P. Kryukov , N. A. Melnikova , N. Yu. Muchnoy , A. E. Obrazovsky , E. V. Pakhtusova , E. A. Perevedentsev , K. V. Pugachev , Yu. A. Rogovsky , S. I. Serednyakov , Yu. M. Shatunov , D. A. Shtol , Z. K. Silagadze , I. K. Surin , M. V. Timoshenko , Yu. V. Usov , I. M. Zemlyansky , V. N. Zhabin , V. V. Zhulanov

Measurement of the $e^+e^- \to \pi^0\gamma$ cross section in the energy range 1.075--2 GeV at SND

The process $e^+e^- \to \pi^0\gamma$ is studied with the SND detector at the VEPP-2000 $e^+e^-$ collider. Basing on data with an integrated luminosity of 41 pb$^{-1}$ recorded in 2010-2012 we measure the $e^+e^- \to \pi^0\gamma$ cross…

High Energy Physics - Experiment · Physics 2018-12-12 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 , I. A. Koop , A. A. Korol , D. P. Kovrizhin , S. V. Koshuba , A. S. Kupich , R. A. Litvinov , K. A. Martin , N. A. Melnikova , N. Yu. Muchnoi , A. E. Obrazovsky , E. V. Pakhtusova , K. V. Pugachev , Yu. A. Rogovsky , A. I. Senchenko , S. I. Serednyakov , Z. K. Silagadze , P. Yu. Shatunov , Yu. M. Shatunov , D. A. Shtol , D. B. Shwartz , I. K. Surin , Yu. V. Usov , A. V. Vasiljev , V. V. Zhulanov

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

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

Measurement of the e+e- -> K+K- cross section in the energy range s**(1/2) = 1.04 - 1.38 GeV with the SND detector in the experiment at the VEPP-2M e+e- collider

The cross section of the process $e^+e^- \to K^+K^-$ was measured in the energy range $\sqrt{s}$ = 1.04--1.38 GeV in the SND experiment at the VEPP-2M $e^+e^-$ collider. The measured cross section is described by the model of vector meson…

High Energy Physics - Experiment · Physics 2008-12-18 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 , I. A. Koop , A. A. Korol , S. V. Koshuba , E. V. Pakhtusova , E. A. Perevedentsev , S. I. Serednyakov , Yu. M. Shatunov , Z. K. Silagadze , A. N. Skrinsky , Yu. V. Usov , A. V. Vasiljev

Total Cross Section of the Process e+e- -> pi+pi-pi+pi- in the C.M.Energy Range 980-1380 MeV

The e+e- -> pi+pi-pi+pi- cross section has been measured using 5.8/pb of integrated luminosity collected with the CMD-2 detector at the VEPP-2M collider. Analysis of the data with a refined efficiency determination and use of both three-…

High Energy Physics - Experiment · Physics 2008-11-26 R. R. Akhmetshin