S.V. Karpov

activity

19992023

most citeda_1(1260) dominance in the process e+e- \to 4πat energies 1.05--1.38 GeV

100 citations · 581 across the 15 of their papers we have counts for

collaborators

15 papers

hep-ex2023★ 89 cited

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

3 Collaboration, F. V. Ignatov, R. R. Akhmetshin +65

The cross section of the process $e^{+} e^{-} \to π^{+} π^{-}$ 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 collid…

hep-ex2019★ 2 cited

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

3 Collaboration

The cross section of the process $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} π^{+} π^{-}$ has been measured using a data sample of 56.7 pb $^{- 1}$ collected with the CMD-3 detector at the VEPP-2000 $e^{+} e^{-}$ …

hep-ex2019★ 11 cited

Study of the process $e^{+} e^{-} \to 3 (π^{+} π^{-}) π^{0}$ in the C.M. Energy range 1.6--2.0 GeV with the CMD-3 detector

3 Collaboration

The cross section of the process $e^{+} e^{-} \to 3 (π^{+} π^{-}) π^{0}$ 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-…

hep-ex2018★ 40 cited

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

3 Collaboration

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 w…

hep-ex2015★ 40 cited

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

D. N. Shemyakin, G. V. Fedotovich, R. R. Akhmetshin +51

The process $e^{+} e^{-} \to K^{+} K^{-} π^{+} π^{-}$ 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 detect…

hep-ex2005★ 25 cited

Study of the $ρ$ and $ω$ meson decays into pseudoscalar meson and $e^{+} e^{-}$ pair with the CMD-2 detector

2 Collaboration

Using 3.3 pb $^{- 1}$ of data collected with the CMD-2 detector in the 720 -- 840 MeV c.m. energy range, the branching fraction of the conversion decay $ω \to π^{0} e^{+} e^{-}$ has been measu…

hep-ex2004★ 38 cited

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

R. R. Akhmetshin

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…

hep-ex2003★ 69 cited

Study of the Process e+ e- --> omega pi0 --> pi0 pi0 gamma in c.m. Energy Range 920--1380 MeV at CMD-2

2 Collaboration

The cross section of the process e+ e- --> omega pi0 --> pi0 pi0 gamma has been measured in the c.m. energy range 920-1380 MeV with the CMD-2 detector. Its energy dependence is wel…

hep-ex2001★ 46 cited

Study of the Process e+ e- ---> eta gamma in c.m. Energy Range 600-1380 MeV at CMD-2

2 collaboration

The cross section of the process e+ e- ---> eta gamma has been measured in the 600-1380 MeV c.m. energy range with the CMD-2 detector. The following branching ratios have been dete…

hep-ex2000★ 36 cited

Study of conversion decays phi->etae+e-, eta->e+e-g and eta->pi+pi-e+e- at CMD-2

2 collaboration

Using 15.1 pb^{-1} of data collected by CMD-2 in the phi-meson energy range, the branching ratios of the following conversion decays have been measured: B(ϕ\toηe^+e^-) = (1.14\pm0.…

hep-ex2000★ 11 cited

Observation of the conversion decay $ϕ \to π^{0} e^{+} e^{-}$ at CMD-2

2 collaboration

Using 15.1^{-1} of data collected by CMD-2 in the $ϕ$ -meson energy range, the branching ratio of the conversion decay $ϕ \to π^{0} e^{+} e^{-}$ has been measured for the first time: B(ϕ\toπ^…

hep-ex2000★ 10 cited

Observation of the phi to eta' gamma decay with four charged particles and photons in the final state

2 Collaboration

Using 11.6 1/pb of data collected in the energy range 0.864-1.06 GeV by CMD-2 at VEPP-2M, the rare decay mode phi to eta' gamma was observed via the decay chain eta' to pi+pi- eta,…

hep-ex1999★ 52 cited

Cross section of the reaction $e^{+} e^{-} \to π^{+} π^{-} π^{+} π^{-}$ below 1 GeV at CMD-2

2 collaboration

Using 3.07 $p b^{- 1}$ of data collected in the energy range 0.60-0.97 GeV by CMD-2, about 150 events of the process $\epm \to \pch$ have been selected. The energy dependence of th…

hep-ex1999★ 12 cited

New measurement of the rare decay $ϕ \to η^{'} γ$ with CMD-2

CMD2 collaboration

A new measurement of the rare decay ϕ\to η' γperformed with the CMD-2 detector at Novosibirsk is described. Of the data sample corresponding to the integrated luminosity of 14.5 pb…

hep-ex1999★ 100 cited

a_1(1260) dominance in the process e+e- \to 4πat energies 1.05--1.38 GeV

CMD2 Collaboration

First results of the study of the process e+e- \to 4πby the CMD-2 collaboration at VEPP-2M are presented for the energy range 1.05--1.38 GeV. Using an integrated luminosity of 5.8…

Measurement of the e+e−→π+π− cross section from threshold to 1.2 GeV with the CMD-3 detector

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

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

Observation of a Fine Structure in e+e−→ hadrons Production at the Nucleon-antinucleon Threshold

Measurement of the e+e−→K+K−π+π− cross section with the CMD-3 detector at the VEPP-2000 collider

Study of the ρ and ω meson decays into pseudoscalar meson and e+e− pair with the CMD-2 detector

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

Study of the Process e+ e- --> omega pi0 --> pi0 pi0 gamma in c.m. Energy Range 920--1380 MeV at CMD-2

Study of the Process e+ e- ---> eta gamma in c.m. Energy Range 600-1380 MeV at CMD-2

Study of conversion decays phi->etae+e-, eta->e+e-g and eta->pi+pi-e+e- at CMD-2

Observation of the conversion decay ϕ→π0e+e− at CMD-2

Observation of the phi to eta' gamma decay with four charged particles and photons in the final state

Cross section of the reaction e+e−→π+π−π+π− below 1 GeV at CMD-2

New measurement of the rare decay ϕ→η′γ with CMD-2

a_1(1260) dominance in the process e+e- \to 4πat energies 1.05--1.38 GeV

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

Study of the process $e^{+} e^{-} \to 3 (π^{+} π^{-}) π^{0}$ in the C.M. Energy range 1.6--2.0 GeV with the CMD-3 detector

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

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

Study of the $ρ$ and $ω$ meson decays into pseudoscalar meson and $e^{+} e^{-}$ pair with the CMD-2 detector

Observation of the conversion decay $ϕ \to π^{0} e^{+} e^{-}$ at CMD-2

Cross section of the reaction $e^{+} e^{-} \to π^{+} π^{-} π^{+} π^{-}$ below 1 GeV at CMD-2

New measurement of the rare decay $ϕ \to η^{'} γ$ with CMD-2