[PDF] Top 20 Study of the processes e+e− → K+K−π+π−, ϕη with the CMD-3 detector at the e+e− collider VEPP-2000

... the processes e + e − → K + K − π + π − and e + e − → φη in the ...the CMD-3 detector. The cross sections of these processes ... See full document

... 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 ... See full document

... This process has been earlier studied by the BaBar and CMD-3 [7, 8] in the c.m. energy range from 1.5 to 2.0 GeV. New results presented here are based on statistics collected in 2017. The energy range ... See full document

... KEDR detector at the VEPP-4M collider continues deliver precision measurements of the charmonium ...ψ(3770) study are ...VEPP2000 collider with an integrated luminosity of about 35 pb ... See full document

... detectors, CMD-3 [3, 4] and SND [5], are installed in the interaction regions of the ...the e + e − → hadrons cross sections in the wide energy range up to 2 GeV, studies of known and ... See full document

... background processes were studied and were found to be e + e − →K + K − ω(782), e + e − →K + K − π + π − , e + e − → φ f 0 (500), ... See full document

... (SND, CMD groups) [3, ...the VEPP-2000 collider by the SND group [5] for the CM energy range from ...BaBar detector using the initial state radiation technique [7] in the ...the ... See full document

... 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

... 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 ... See full document

... ergy scan were done in the previous generation of exper- iments in Novosibirsk at the VEPP-2M collider with the CMD-2 and SND detectors. The high precision measure- ments of this mode were recently ... See full document

... of e ff ects, which lead to the loss of one charged pion track (decays in flight, nuclear interactions, reconstruction ine ffi ciency ...2( π + π − π 0 ) process, we ... See full document

... S. S. Tolmachev 1,* , R. R. Akhmetshin 1,2 , A. N. Amirkhanov 1 , 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. Bragin 1 , ... See full document

... was treated as a recoil particle, that allows us to save statistics due to selection of specific η decay mode, but such approach leads to a complicated background subtraction, which was carefully studied. The candidates ... See full document

... for π + π − , πK and other atoms, consisted of two oppositely charged mesons, has been proposed in ...of K + ( K − ) and π − ( π + ) mesons are producing in proton- target ... See full document

... Another model of the radiative Φ(1020) meson decays with a formation of kaon pairs has been developed by Achasov, Gubin and Shevchenko in Ref. [3]. In this model one calculates the amplitudes related to three ... See full document

... A two-stage trigger is employed. First, a hardware-based decision is taken at a rate of up to 40 MHz. It accepts high transverse energy clusters in either an electromagnetic or hadron calorimeter, or a muon of high ... See full document

... Gersabeck, 53 T. Gershon, 47 Ph. Ghez, 4 V. Gibson, 46 L. Giubega, 28 V. V. Gligorov, 37 C. Göbel, 59 D. Golubkov, 30 A. Golutvin, 52,30,37 A. Gomes, 2 P. Gorbounov, 30,37 H. Gordon, 37 M. Grabalosa Gándara, 5 R. ... See full document

... W een s siekte van sy vrou kon D s. V an Drimme!en nie dadeük saam met W . A . V enter na H um pata gaan nie, maar toe sprake van *n predikant na Hum pata daar w as, het die A!gem ene Kommissie na hom verwys en djt is ... See full document

... The Cryogenic Magnetic Detector (CMD-3) [2] (Fig.1) includes a tracking system consisting of a cylindrical drift chamber (DC) and a double-layer cylindrical multiwire proportional chamber (Z- ... See full document

... Candidate D 0 decays are reconstructed from combinations of pion and kaon candidate tracks. The D 0 candidates are required to have p T > 3 GeV / c. The D 0 decay products are required to have p > 3 ... See full document