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Overview of the CMD-3 recent results at e+e− collider VEPP-2000
... Two types the «CHARGED» and the «NEUTRAL» first level triggers were used while data have been taking. A combinations of the signals from DC cells and ZC sectors, which roughly repro- duce “track”, start a special ... See full document
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Study of e+e− annihilation to hadrons at the VEPP-2000 collider
... CMD-3 (Cryogenic Magnetic Detector) is a general-purpose detector. Production points, angles and momenta of charged particles are measured by the cylindrical drift chamber with a hexagonal cell for uniform ... See full document
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Recent results from SND detector at VEPP-2000 collider
... The measured cross section is shown in fig.3. Below 1.4 GeV the cross section is about 50 pb and agrees with previous SND and CMD-2 measurements at VEPP-2M [10, 11]. Above 1.4 GeV it is consistent ... See full document
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Study of the processes e+e-→ K+K− + nπ (n = 1,2,3) with the CMD-3 detector at the VEPP-2000 electron-positron collider
... The detection e ffi ciency is about 50% and is basically determined by detector acceptance. The ra- diative correction smoothly increases from 0.8 to 0.98 in the studied energy range. The cross section as a ... See full document
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An amplitude analysis of the process e+e-→ 4π in the center-of-mass energy range 900–2000 MeV with the CMD3 detector at the VEPP-2000 e+e- collider
... E. A. Kozyrev 1,2 , R. R. Akhmetshin 1,2 , A. N. Amirkhanov 1,2 , A. V. Anisenkov 1,2 , V. M. Aulchenko 1,2 , V. Sh. Banzarov 1 , N. S. Bashtovoy 1 , D. E. Berkaev 1,2 , A. E. Bondar 1,2 , A. V. ... See full document
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Results from the e+e− colliders in Novosibirsk
... the VEPP-4M collider continues deliver precision measurements of the charmonium ...family. Results of the ψ(2S ) and ψ(3770) study are ...VEPP2000 collider with an integrated luminosity of ... See full document
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Measurement of the hadronic cross sections with the CMD-3 and SND detectors at the VEPP-2000 collider
... troscopy: study of light-vector-meson exitations, in particular, search for their radiative decays. (3) Search for rare and forbidden decays of the ρ, ω, and ϕ mesons. (4) Study of nucleon-antinucleon pair ... See full document
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Recent results from CMD-3
... During 2013-2016 the VEPP-2000 collider and the detectors have been upgraded. Start- ing from 2017 the accelerator complex is running with a new injection facility, which helps to solve a problem of ... See full document
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Overview of SND hadronic cross section measurements
... The e + e − → π 0 γ cross section is the third largest cross section (after e + e − → π + π − and π + π − π 0 ) below 1 ...the e + e − → π 0 γ data in the vector meson dominance ... See full document
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Measurement of e+e− → π+π− cross section at CMD-3
... the VEPP-2M collider with the CMD-2 and SND ...most recent calculations of the hadronic contribution to a μ [4, ...σ( e + e − → π + π − ) gives the largest contribution of ... See full document
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Search for the process e+e−→D*(2007) with the CMD-3 detector
... The Cryogenic Magnetic Detector (CMD-3) described elsewhere [3] is installed in one of the two interaction regions of the VEPP-2000 e + e − collider [4]. The ... See full document
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CMD-3 Overview
... The collider performance is illustrated in Fig. 2. The peak VEPP-2000 luminosity observed in 2011–2013 was significantly lower than the design expectations at energies √ s > ...main ... See full document
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Measurement of the hadronic cross sections at Novosibirsk
... section e + e − → π + π − was measured to high precision in a number of ...the VEPP-2M collider with the CMD-2 and SND ...most recent calculations of the hadronic contribution to ... See full document
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Recent result from CMD-3 detector
... the CMD-3 detector has collected data at the electron-positron collider VEPP- ...Preliminary results of the analysis of various processes e + e − annihilation to hadrons ... See full document
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Study of the process e+e-→π+π-γ with the CMD-3 detector at the e+e- collider VEPP-2000
... state. Initial particles radiate mainly into a narrow cone along the particle movement path, but about 10% of the photons are emitted at the large angle, therefore it is impossible to separate events with radiation from ... See full document
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Recent results of the hadronic cross section measurements with the CMD-3 detector at e+e− collider VEPP-2000
... the recent results on the hadronic cross section measurements with the CMD-3 detector at the e + e − collider VEPP-2000 is ...by VEPP-2000 and ... See full document
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Study of the process e+e− → 2(π+π−π0) with the CMD-3 detector at VEPP-2000 collider
... of e + e − annihilation into hadrons are important for a number of physical ...the e + e − cross sections with spectral functions of the τ-lepton ... See full document
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Recent results at the ϕ-meson region from the CMD-3 detector at the VEPP-2000 collider
... consider the events, having at least 3 photons with the polar angles in the range from 0.42 to rad. Then the kinematic cuts, as shown in Fig. 16, are applied. After that the major background processes are and . We ... See full document
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Study of the processes e+e− → K+K−π+π−, ϕη with the CMD-3 detector at the e+e− collider VEPP-2000
... It is known that the accuracy of the calculations of the hadronic contribution to the anomalous mag- netic moment of the muon is driven in part by the process e + e − → hadrons with kaons in the final ... See full document
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Precise measurements of the hadronic cross sections with the CMD-3 and SND detectors at the VEPP-2000 e+ e− collider
... in e + e − annihilations is under way since December 2010 at the electron-positron collider VEPP-2000 with the CMD-3 and SND ... See full document
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