237 citations · 1.1k across the 27 of their papers we have counts for
26 papers
Measurement of the branching fraction of at KEDR
V. V. Anashin, O. V. Anchugov, A. V. Andrianov +91
We present the study of the decay . The results are based on of 5.2~million events collected by the KEDR detector at the VEPP-4M collider. The branching fr…
Revision of results on , , and masses
A. G. Shamov, O. L. Rezanova
We have reconsidered the results on the masses of the narrow bottomonium states -- obtained in 1982--1986 at CESR, DORIS and VEPP-4 colliders in order to fix shortcom…
Gauge invariance and amplitudes of two-photon processes
P. A. Krachkov, A. I. Milstein, A. G. Shamov
A method to derive the convenient representations for many two-photon amplitudes is suggested. It is based on the use of the gauge in which the photon propagator has only space com…
Precise measurement of and between 1.84 and 3.72 GeV at the KEDR detector
V. V. Anashin, O. V. Anchugov, V. M. Aulchenko +86
The present work continues a series of the KEDR measurements of the value that started in 2010 at the VEPP-4M collider. By combining new data with our previous results…
Influence of the vertical closed orbit distortions on accuracy of the energy calibration done by resonant depolarization technique
A. V. Bogomyagkov, S. A. Nikitin, A. G. Shamov
The series of the experiments on precise mass measurement of -, - mesons have been performed in 2002-2004. Energy calibration has been done with the help of the resonant d…
Measurement of between 1.84 and 3.05 GeV at the KEDR detector
V. V. Anashin, V. M. Aulchenko, E. M. Baldin +75
Using the KEDR detector at the VEPP-4M collider, we have determined the values of at thirteen points of the center-of-mass energy between 1.84 and 3.05 GeV. The achiev…
Analysis of BaBar, Belle, BES-II, CLEO and KEDR data on line shape and determination of the resonance parameters
A. G. Shamov, K. Yu. Todyshev
The available data on the and inclusive hadronic cross sections in the region from the BaBar, Belle, BES-II, CLEO and KEDR experiments have been analyzed…
Measurement of and between 3.12 and 3.72 GeV at the KEDR detector
V. V. Anashin, V. M. Aulchenko, E. M. Baldin +75
Using the KEDR detector at the VEPP-4M collider, we have measured the values of and at seven points of the center-of-mass energy between 3.12 and 3.72…
Crossing integer spin resonance at VEPP-4M with conservation of beam polarization
A. K. Barladyan, A. Yu. Barnyakov, V. E. Blinov +9
A method proposed to preserve the electron beam polarization at the VEPP-4M collider during acceleration with crossing the integer (imperfection) spin resonance at energy E=1763 Me…
Parameters of charmonium states from KEDR
KEDR Collaboration, V. M. Aulchenko, E. M. Baldin +80
We report results of experiments performed with the KEDR detector at the VEPP-4M collider. They include final results for the mass and other parameters of the , $ψ(2S…
Measurement of the ratio of the leptonic widths for the meson
KEDR Collaboration, V. M. Aulchenko, E. M. Baldin +79
The ratio of the electron and muon widths of the meson has been measured using direct decays in the KEDR experiment at the VEPP-4M electron-positron collider. The resul…
Measurement of J/psi leptonic width with the KEDR detector
V. V. Anashin, V. M. Aulchenko, E. M. Baldin +79
We report a new precise determination of the leptonic widths of the J/psi meson performed with the KEDR detector at the VEPP-4M collider. The measured values of the J/…
The beam energy measurement system for the Beijing electron-positron collider
E. V. Abakumova, M. N. Achasov, V. E. Blinov +25
The beam energy measurement system (BEMS) for the upgraded Beijing electron-positron collider BEPC-II is described. The system is based on measuring the energies of Compton back-sc…
Measurement of main parameters of the ψ(2S) resonance
V. V. Anashin, V. M. Aulchenko, E. M. Baldin +79
A high-precision determination of the main parameters of the ψ(2S) resonance has been performed with the KEDR detector at the VEPP-4M e^{+}e^{-} collider in three scans of the ψ(2S…
Search for narrow resonances in e+ e- annihilation between 1.85 and 3.1 GeV with the KEDR Detector
KEDR Collaboration, V. V. Anashin, V. M. Aulchenko +80
We report results of a search for narrow resonances in e+ e- annihilation at center-of-mass energies between 1.85 and 3.1 GeV performed with the KEDR detector at the VEPP-4M e+ e-…
Measurement of B(J/psi->eta_c gamma) at KEDR
V. V. Anashin, V. M. Aulchenko, E. M. Baldin +80
We present a study of the inclusive photon spectrum from 6.3 million J/psi decays collected with the KEDR detector at the VEPP-4M e+e- collider. We measure the branching fraction o…
Measurement of J/psi to eta_c gamma at KEDR
V. V. Anashin, V. M. Aulchenko, E. M. Baldin +79
We present a study of the inclusive photon spectra from 5.9 million J/psi decays collected with the KEDR detector at the VEPP-4M e+e- collider. We measure the branching fraction of…
Recent results from the KEDR Detector
V. V. Anashin, V. M. Aulchenko, E. M. Baldin +77
We report results of experiments performed with the KEDR detector at the VEPP-4M e+e- collider. They include precise measurement of the D0 and D+- meson masses, determination of th…
Measurement of the e+e- -> pi+pi- cross section with the CMD-2 detector in the 370-520 MeV c.m. energy range
R. R. Akhmetshin, V. M. Aulchenko, V. Sh. Banzarov +50
The cross section of the process e+e- -> pi+pi- has been measured at the CMD-2 detector in the 370-520 MeV center-of-mass (c.m.) energy range. A systematic uncertainty of the measu…
High-statistics measurement of the pion form factor in the rho-meson energy range with the CMD-2 detector
2 Collaboration, R. R. Akhmetshin, V. M. Aulchenko +52
We present a measurement of the pion form factor based on e+e- annihilation data from the CMD-2 detector in the energy range 0.6<sqrt(s)<1.0 GeV with a systematic uncertainty of 0.…
Measurement of the Pion Form Factor in the Energy Range 1.04-1.38 GeV with the CMD-2 Detector
2 Collaboration, V. M. Aulchenko
The cross section for the process is measured in the c.m. energy range 1.04-1.38 GeV from 995 000 selected collinear events including 860000 events, 8200…
Study of the Process e+ e- --> pi0 pi0 gamma in c.m. Energy Range 600--970 MeV at CMD-2
CMD2 Collaboration
The cross section of the process e+ e- --> pi0 pi0 gamma has been measured in the c.m. energy range 600--970 MeV with the CMD-2 detector. The following branching ratios have been d…
Study of the Process in the C.M.Energy Range 1.05-1.38 GeV with CMD-2
R. R. Akhmetshin
The process has been studied with the CMD-2 detector using about 950 events detected in the center-of-mass energy range from 1.05 to 1.38 GeV. The cross se…
Precision luminosity measurement at LHC using two-photon production of mu^+ mu^- pairs
A. G. Shamov, V. I. Telnov
The application of the two-photon process pp -> pp + mu^+mu^- for the luminosity measurements at LHC with the ATLAS detector is considered. The expected accuracy of the absolute of…