相关论文: Observation of a Fine Structure in $e^+e^- \to$ ha…

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…

高能物理 - 实验 · 物理学 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

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…

高能物理 - 实验 · 物理学 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

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…

高能物理 - 实验 · 物理学 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

The $\pi N \to e^+e^- N$ reaction close to the vector meson production threshold

The $\pi^-p \to e^+e^- n$ and $\pi^+n \to e^+e^- p$ reaction cross sections are calculated below and in the vicinity of the vector meson ($\rho^0$, $\omega$) production threshold. These processes are largely responsible for the emission of…

核理论 · 物理学 2014-11-18 Madeleine Soyeur , Matthias F. M. Lutz , Bengt Friman

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…

高能物理 - 实验 · 物理学 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

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…

高能物理 - 实验 · 物理学 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 $e^+e^-\to n\bar{n}$ 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…

高能物理 - 实验 · 物理学 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 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…

高能物理 - 实验 · 物理学 2022-12-07 3 Collaboration

Study of the process $e^+e^-\to p\bar{p}$ in the c.m. energy range from threshold to 2 GeV with the CMD-3 detector

Using a data sample of 6.8 pb$^{-1}$ collected with the CMD-3 detector at the VEPP-2000 $e^+e^-$ collider we select about 2700 events of the $e^+e^- \to p\bar{p}$ process and measure its cross section at 12 energy ponts with about 6\%…

高能物理 - 实验 · 物理学 2016-07-20 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 , E. M. Gromov , F. V. Ignatov , V. L. Ivanov , S. V. Karpov , A. S. Kasaev , V. F. Kazanin , B. I. Khazin , A. N. Kirpotin , I. A. Koop , O. A. Kovalenko , A. N. Kozyrev , E. A. Kozyrev , P. P. Krokovny , A. E. Kuzmenko , A. S. Kuzmin , I. B. Logashenko , P. A. Lukin , K. Yu. Mikhailov , V. S. Okhapkin , A. V. Otboev , Yu. N. Pestov , S. G. Pivovarov , A. S. Popov , G. P. Razuvaev , 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 , E. P. Solodov , V. M. Titov , A. A. Talyshev , A. I. Vorobiov , Yu. V. Yudin , Yu. M. Zharinov

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…

高能物理 - 实验 · 物理学 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

Anomalous Line-Shape of Cross Sections for $e^+e^- \to {\rm Hadrons}$ in the Center-of-Mass Energy Region between 3.650 and 3.872 GeV

We observe an obvious anomalous line-shape of the $e^+e^- \to {\rm hadrons}$ total cross sections in the energy region between 3.700 and 3.872 GeV from the data samples taken with the BES-II detector at the BEPC Collider. Re-analysis of the…

高能物理 - 实验 · 物理学 2012-08-27 BES Collaboration

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…

高能物理 - 实验 · 物理学 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 process $e^+ e^- \to K\bar{K}$ in the center-of-mass energy range 1004--1060 MeV with the CMD-3 detector at $e^+ e^-$ VEPP-2000 collider

The $e^+ e^- \to K^0_{S}K^0_{L}$ and $e^+ e^- \to K^{-}K^{+}$ cross sections have been measured in the center-of-mass energy range 1004--1060 MeV for 25 energy points with about 2$\div$3\% systematic uncertainties. The analysis is based on…

高能物理 - 实验 · 物理学 2016-04-12 E. A. Kozyrev

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.

高能物理 - 实验 · 物理学 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

Measurements of the observed cross sections for $e^+e^-\to$ exclusive light hadrons containing $\pi^0\pi^0$ at $\sqrt s= 3.773$, 3.650 and 3.6648 GeV

By analyzing the data sets of 17.3, 6.5 and 1.0 pb$^{-1}$ taken, respectively, at $\sqrt s= 3.773$, 3.650 and 3.6648 GeV with the BES-II detector at the BEPC collider, we measure the observed cross sections for $e^+e^-\to…

高能物理 - 实验 · 物理学 2012-08-27 BES Collaboration

Measurement of the $e^{+}e^{-}\rightarrow\eta\pi^{+}\pi^{-}$ cross section with the CMD-3 detector at the VEPP-2000 collider

The cross section of the process $e^{+}e^{-}\rightarrow\eta\pi^{+}\pi^{-}$ is measured using the data collected with the CMD-$3$ detector at the VEPP-$2000$ collider in the center-of-mass energy range from $1.1$ to $2.0$ GeV. The decay mode…

高能物理 - 实验 · 物理学 2020-01-29 S. S. Gribanov , A. S. Popov , 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 , F. J. Grancagnolo , A. A. Grebenuk , D. N. Grigoriev , F. V. Ignatov , V. L. Ivanov , S. V. Karpov , V. F. Kazanin , A. N. Kirpotin , 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 , P. A. Lukin , K. Yu. Mikhailov , V. S. Okhapkin , A. V. Otboev , Yu. N. Pestov , G. P. Razuvaev , Yu. A. Rogovsky , A. A. Ruban , N. M. Ryskulov , A. E. Ryzhenenkov , A. V. Semenov , A. I. Senchenko , Yu. M. Shatunov , P. Yu. Shatunov , V. E. Shebalin , D. N. Shemyakin , B. A. Shwartz , D. B. Shwartz , A. L. Sibidanov , E. P. Solodov , V. M. Titov , A. A. Talyshev , S. S. Tolmachev , A. I. Vorobiov , I. M. Zemlyansky , Yu. V. Yudin

Cross section of the process $e^+e^-\to n\bar{n}$ near the threshold

The $e^+e^-\to n\bar{n}$ cross section was measured at center of mass (c.m.) energies from the threshold to 1908 MeV. The experiment to measure the cross section has been carried out at the VEPP-2000 $e^+e^-$ collider in 13 energy points.…

高能物理 - 实验 · 物理学 2024-07-23 M. N. Achasov , A. Yu. Barnyakov , E. V. Bedarev , K. I. Beloborodov , A. V. Berdyugin , A. G. Bogdanchikov , A. A. Botov , T. V. Dimova , V. P. Druzhinin , V. N. Zhabin , Yu. M. Zharinov , L. V. Kardapoltsev , A. S. Kasaev , A. A. Kattsin , D. P. Kovrizhin , A. A. Korol , A. S. Kupich , A. P. Kryukov , A. P. Lysenko , N. A. Melnikova , N. Yu. Muchnoi , A. E. Obrazovsky , E. V. Pakhtusova , K. V. Pugachev , S. A. Rastigeev , Yu. A. Rogovsky , A. I. Senchenko , S. I. Serednyakov , Z. K. Silagadze , I. K. Surin , Yu. V. Usov , A. G. Kharlamov , D. E. Chistyakov , Yu. M. Shatunov , S. P. Sherstyuk , D. A. Shtol

Observation of an enhancement in $e^+e^- \to \Upsilon(1S)\pi^+ \pi^-$, $\Upsilon(2S)\pi^+ \pi^-$, and $\Upsilon(3S)\pi^+ \pi^-$ production around $\sqrt{s}=10.89$ GeV at Belle

We measure the production cross sections for $e^+e^- \to \Upsilon(1S)\pi^+\pi^-$, $\Upsilon(2S)\pi^+\pi^-$, and $\Upsilon(3S)\pi^+\pi^-$ as a function of $\sqrt{s}$ between 10.83 GeV and 11.02 GeV. The data consists of 8.1 fb$^{-1}$…

高能物理 - 实验 · 物理学 2019-08-13 K. -F. Chen

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…

高能物理 - 实验 · 物理学 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,…

高能物理 - 实验 · 物理学 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