O. Rezanova

activity

20132025

R_{uds}

and

R

between 3.12 and 3.72 GeV at the KEDR detector

33 citations · 168 across the 13 of their papers we have counts for

collaborators

12 papers

hep-ex2025

New measurement of D0 and D+ meson masses with the KEDR detector

KEDR Collaboration, V. V. Anashin, O. V. Anchugov +117

Using the 4.9 pb $^{- 1}$ statistics collected at the peak of the $ψ (3770)$ resonance with the KEDR detector at the VEPP-4M electron-positron collider, we measured the masses of the…

hep-ex2025

The branching fraction measurements of $J / ψ$ decay into $ρ η$ and $ϕ η$ final states

KEDR Collaboration, V. V. Anashin, O. V. Anchugov +95

We present measurements of the branching fractions for the $J / ψ$ meson decays into the $ρ η$ and $ϕ η$ final states, based on data collected with the KEDR detector at the VEPP-4M col…

hep-ex2022

Measurement of the branching fraction of $J / ψ \to ρ π$ at KEDR

V. V. Anashin, O. V. Anchugov, A. V. Andrianov +91

We present the study of the decay $J / ψ \to ρ π$ . The results are based on of 5.2~million $J / ψ$ events collected by the KEDR detector at the VEPP-4M collider. The branching fr…

hep-ex2022★ 3 cited

Revision of results on $Υ (1 S)$ , $Υ (2 S)$ , and $Υ (3 S)$ masses

A. G. Shamov, O. L. Rezanova

We have reconsidered the results on the masses of the narrow bottomonium states $Υ (1 S)$ -- $Υ (3 S)$ obtained in 1982--1986 at CESR, DORIS and VEPP-4 colliders in order to fix shortcom…

hep-ex2018★ 32 cited

Precise measurement of $R_{uds}$ and $R$ 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 $R$ value that started in 2010 at the VEPP-4M $e^{+} e^{-}$ collider. By combining new data with our previous results…

hep-ex2018★ 5 cited

Measurement of $Γ_{ee} (J / ψ)$ with KEDR detector

V. V. Anashin, V. M. Aulchenko, E. M. Baldin +79

The product of the electronic width of the $J / ψ$ meson and the branching fractions of its decay to hadrons and electrons has been measured using the KEDR detector at the VEPP-4M $e…

hep-ex2018★ 3 cited

Measurement of $Γ_{ee} \times B_{μμ}$ for $ψ (2 S)$ meson

V. V. Anashin, O. V. Anchugov, V. M. Aulchenko +86

The product of the electronic width of the $ψ (2 S)$ meson and the branching fraction of its decay to the muon pair was measured in the $e^{+} e^{-} \to ψ (2 S) \to μ^{+} μ^{-}$ process…

hep-ex2016★ 31 cited

Measurement of $R$ 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 $e^{+} e^{-}$ collider, we have determined the values of $R$ at thirteen points of the center-of-mass energy between 1.84 and 3.05 GeV. The achiev…

hep-ex2015★ 33 cited

Measurement of $R_{uds}$ and $R$ 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 $e^{+} e^{-}$ collider, we have measured the values of $R_{uds}$ and $R$ at seven points of the center-of-mass energy between 3.12 and 3.72…

hep-ex2014★ 24 cited

Measurement of $J / ψ \to γ η_{c}$ decay rate and $η_{c}$ parameters at KEDR

V. V. Anashin, V. M. Aulchenko, E. M. Baldin +78

Using the inclusive photon spectrum based on a data sample collected at the $J / ψ$ peak with the KEDR detector at the VEPP-4M $e^{+} e^{-}$ collider, we measured the rate of the radiativ…

hep-ex2013

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 $e^{+} e^{-}$ collider. They include final results for the mass and other parameters of the $J / ψ$ , $ψ(2S…

hep-ex2013★ 5 cited

Measurement of the ratio of the leptonic widths $Γ_{ee} / Γ_{μμ}$ for the $J / ψ$ meson

KEDR Collaboration, V. M. Aulchenko, E. M. Baldin +79

The ratio of the electron and muon widths of the $J / ψ$ meson has been measured using direct $J / ψ$ decays in the KEDR experiment at the VEPP-4M electron-positron collider. The resul…

New measurement of D0 and D+ meson masses with the KEDR detector

The branching fraction measurements of J/ψ decay into ρη and ϕη final states

Measurement of the branching fraction of J/ψ→ρπ at KEDR

Revision of results on Υ(1S), Υ(2S), and Υ(3S) masses

Precise measurement of Ruds​ and R between 1.84 and 3.72 GeV at the KEDR detector

Measurement of Γee​(J/ψ) with KEDR detector

Measurement of Γee​×Bμμ​ for ψ(2S) meson

Measurement of R between 1.84 and 3.05 GeV at the KEDR detector

Measurement of Ruds​ and R between 3.12 and 3.72 GeV at the KEDR detector

Measurement of J/ψ→γηc​ decay rate and ηc​ parameters at KEDR