A. Onuchin

activity

20002025

most citedEvidence for an excess of B -> D(*) Tau Nu decays

857 citations · 17.7k across the 334 of their papers we have counts for

collaborators

Showing hep-exShow all

330 papers · 1 filter

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-ex2021

Search for an Axion-Like Particle in B Meson Decays

The BABAR Collaboration

Axion-like particles (ALPs) are predicted in many extensions of the Standard Model, and their masses can naturally be well below the electroweak scale. In the presence of couplings…

hep-ex2021

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} π^{0}$ and $π^{+} π^{-} π^{0} π^{0} π^{0} η$ at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

BaBar Collaboration

We study the processes $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} π^{0} γ$ and $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} η γ$ in which an energetic photon is radiated from the initial state. The data were collected with…

hep-ex2021★ 1 cited

Search for Lepton Flavor Violation in $Υ (3 S) \to e^{\pm} μ^{\mp}$

BABAR Collaboration

We report on the first search for electron-muon lepton flavor violation (LFV) in the decay of a $b$ ~quark and $b$ ~antiquark bound state. We look for the LFV decay $Υ(3S)\rightarrow…

hep-ex2021★ 4 cited

Search for Darkonium in $e^{+} e^{-}$ Collisions

The BABAR Collaboration

Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dar…

hep-ex2021★ 40 cited

Light meson spectroscopy from Dalitz plot analyses of $η_{c}$ decays to $η^{'} K^{+} K^{-}$ , $η^{'} π^{+} π^{-}$ , and $η π^{+} π^{-}$ produced in two-photon interactions

J. P. Lees

We study the processes $γ γ \to η_{c} \to η^{'} K^{+} K^{-}$ , $η^{'} π^{+} π^{-}$ , and $η π^{+} π^{-}$ using a data sample of 519 $f b^{- 1}$ recorded with the BaBar detector operating at the SLAC PEP-II a…

hep-ex2021★ 5 cited

Study of the reactions $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} π^{0}$ and $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} η$ at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

The BABAR Collaboration

We study the processes $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} π^{0} γ$ and $2 (π^{+} π^{-}) π^{0} π^{0} η γ$ in which an energetic photon is radiated from the initial state. The data were collected with the \ba…

hep-ex2020★ 8 cited

Measurement of the $e^{+} e^{-} \to K^{+} K^{-} π^{0}$ cross section with the SND detector

M. N. Achasov, A. Yu. Barnyakov, M. Yu. Barnyakov +38

The process $e^{+} e^{-} \to K^{+} K^{-} π^{0}$ is studied with the SND detector at the VEPP-2000 $e^{+} e^{-}$ collider. Basing on data with an integrated luminosity of 26.4~pb $^{- 1}$ we measure the…

hep-ex2020★ 6 cited

Precision measurement of the $B (Υ (3 S) \to τ^{+} τ^{-}) / B (Υ (3 S) \to μ^{+} μ^{-})$ ratio

J. P. Lees, V. Poireau, V. Tisserand +238

We report on a precision measurement of the ratio $R_{τ μ}^{Υ (3 S)} = B (Υ (3 S) \to τ^{+} τ^{-}) / B (Υ (3 S) \to μ^{+} μ^{-})$ using data collected with the BaBar detector at the SL…

hep-ex2020★ 10 cited

Search for lepton-flavor violating decays $D^{0} \to X^{0} e^{\pm} μ^{\mp}$

BaBar Collaboration, J. P. Lees, V. Poireau +238

We present a search for seven lepton-flavor-violating neutral charm decays of the type $D^{0} \to X^{0} e^{\pm} μ^{\mp}$ , where $X^{0}$ represents a $π^{0}$ , $K_{S}^{0}$ …

hep-ex2019★ 31 cited

Measurements of the Absolute Branching Fractions of $B^{\pm} \to K^{\pm} X_{c c ˉ}$

J. P. Lees, V. Poireau, V. Tisserand +232

A study of the two body decays $B^{\pm} \to X_{c c ˉ} K^{\pm}$ , where X $_{c c ˉ}$ refers to one charmonium state, is reported by BaBar collaboration using a data sample of 42…

hep-ex2019★ 6 cited

Search for $B^{-} \to Λ p ˉ ν ν ˉ$ with the BABAR experiment

The BABAR Collaboration, J. P. Lees, V. Poireau +235

We search for the rare flavor-changing neutral current process $B^{-} \to Λ p ν ν$ using data from the BABAR experiment. A total of 424 fb $^{- 1}$ of $e^{+} e^{-}$ col…

hep-ex2019★ 7 cited

Search for rare or forbidden decays of the $D^{0}$ meson

J. P. Lees, V. Poireau, V. Tisserand +234

We present a search for nine lepton-number-violating and three lepton-flavor-violating neutral charm decays of the type $D^{0} \to h^{' -} h^{-} ℓ^{' +} ℓ^{+}$ …

hep-ex2019★ 50 cited

Extraction of form Factors from a Four-Dimensional Angular Analysis of $B \to D^{*} ℓ^{-} ν_{ℓ}$

B. Dey

An angular analysis of the decay $B \to D^{*} ℓ^{-} ν_{ℓ}$ , $ℓ \in {e, μ}$ , is reported using the full $e^{+} e^{-}$ collision data set collected by t…

hep-ex2018★ 34 cited

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} γ$ and $π^{+} π^{-} π^{0} π^{0} η γ$ at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

J. P. Lees

We study the processes $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} γ$ and $π^{+} π^{-} π^{0} π^{0} η γ$ in which an energetic photon is radiated from the initial state. The data were collected with the BaBar~ det…

hep-ex2018★ 20 cited

Search for a Stable Six-Quark State at BABAR

Bertrand Echenard

Recent investigations have suggested that the six-quark combination uuddss could be a deeply bound state (S) that has eluded detection so far, and a potential dark matter candidate…

hep-ex2018★ 14 cited

Observation of the decay $D^{0} \to K^{-} π^{+} e^{+} e^{-}$

BaBar Collaboration, J. P. Lees, others

We report the observation of the rare charm decay $D^{0} \to K^{-} π^{+} e^{+} e^{-}$ , based on $468$ fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at or close to the center-of-mass…

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★ 32 cited

Measurement of $cos 2 β$ in $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

The BaBar, Belle Collaborations, : +407

We report measurements of $sin 2 β$ and $cos 2 β$ from a time-dependent Dalitz plot analysis of $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays, where the lig…

hep-ex2018★ 4 cited

Search for the decay mode $B^{0} \to pp p ˉ p ˉ$

The BABAR Collaboration

A search is presented for the four-body decay $B^{0} \to pp p ˉ p ˉ$ in a sample of $471$ million $B B ˉ$ pairs collected with the BaBar detector, operated at the…

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-ex2017★ 2 cited

Measurement of the $D^{*} (2010)^{+} - D^{+}$ mass difference

The BaBar Collaboration

We measure the mass difference, $Δ m_{+}$ , between the $D^{*} (2010)^{+}$ and the $D^{+}$ using the decay chain $D^{*} (2010)^{+} \to D^{+} π^{0}$ with $D^{+} \to K^{-} π^{+} π^{+}$ . The data were recorded w…

hep-ex2017★ 12 cited

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $K_{S}^{0} K^{\pm} π^{\mp} η$ cross sections using initial-state radiation

The BABAR Collaboration

The processes $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} η$ are studied over a continuum of energies from threshold…

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

Search for an Axion-Like Particle in B Meson Decays

Study of the reactions e+e−→π+π−π0π0π0π0 and π+π−π0π0π0η at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

Search for Lepton Flavor Violation in Υ(3S)→e±μ∓

Search for Darkonium in e+e− Collisions

Light meson spectroscopy from Dalitz plot analyses of ηc​ decays to η′K+K−, η′π+π−, and ηπ+π− produced in two-photon interactions

Study of the reactions e+e−→2(π+π−)π0π0π0 and e+e−→2(π+π−)π0π0η at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

Measurement of the e+e−→K+K−π0 cross section with the SND detector

Precision measurement of the B(Υ(3S)→τ+τ−)/B(Υ(3S)→μ+μ−) ratio

Search for lepton-flavor violating decays D0→X0e±μ∓

Measurements of the Absolute Branching Fractions of B±→K±Xccˉ​

Search for B−→Λpˉ​ννˉ with the BABAR experiment

Search for rare or forbidden decays of the D0 meson

Extraction of form Factors from a Four-Dimensional Angular Analysis of B→D∗ℓ−νℓ​

Study of the reactions e+e−→π+π−π0π0π0γ and π+π−π0π0ηγ at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

Search for a Stable Six-Quark State at BABAR

Observation of the decay D0→K−π+e+e−

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

Measurement of cos2β in B0→D(∗)h0 with D→KS0​π+π− decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

Search for the decay mode B0→pppˉ​pˉ​

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

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

Measurement of the D∗(2010)+−D+ mass difference

Measurement of the e+e−→KS0​K±π∓π0 and KS0​K±π∓η cross sections using initial-state radiation

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} π^{0}$ and $π^{+} π^{-} π^{0} π^{0} π^{0} η$ at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

Search for Lepton Flavor Violation in $Υ (3 S) \to e^{\pm} μ^{\mp}$

Search for Darkonium in $e^{+} e^{-}$ Collisions

Light meson spectroscopy from Dalitz plot analyses of $η_{c}$ decays to $η^{'} K^{+} K^{-}$ , $η^{'} π^{+} π^{-}$ , and $η π^{+} π^{-}$ produced in two-photon interactions

Study of the reactions $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} π^{0}$ and $e^{+} e^{-} \to 2 (π^{+} π^{-}) π^{0} π^{0} η$ at center-of-mass energies from threshold to 4.5 GeV using initial-state radiation

Measurement of the $e^{+} e^{-} \to K^{+} K^{-} π^{0}$ cross section with the SND detector

Precision measurement of the $B (Υ (3 S) \to τ^{+} τ^{-}) / B (Υ (3 S) \to μ^{+} μ^{-})$ ratio

Search for lepton-flavor violating decays $D^{0} \to X^{0} e^{\pm} μ^{\mp}$

Measurements of the Absolute Branching Fractions of $B^{\pm} \to K^{\pm} X_{c c ˉ}$

Search for $B^{-} \to Λ p ˉ ν ν ˉ$ with the BABAR experiment

Search for rare or forbidden decays of the $D^{0}$ meson

Extraction of form Factors from a Four-Dimensional Angular Analysis of $B \to D^{*} ℓ^{-} ν_{ℓ}$

Study of the reactions $e^{+} e^{-} \to π^{+} π^{-} π^{0} π^{0} π^{0} γ$ and $π^{+} π^{-} π^{0} π^{0} η γ$ at center-of-mass energies from threshold to 4.35 GeV using initial-state radiation

Observation of the decay $D^{0} \to K^{-} π^{+} e^{+} e^{-}$

Precise measurement of $R_{uds}$ and $R$ between 1.84 and 3.72 GeV at the KEDR detector

Measurement of $cos 2 β$ in $B^{0} \to D^{(*)} h^{0}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data

Search for the decay mode $B^{0} \to pp p ˉ p ˉ$

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

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

Measurement of the $D^{*} (2010)^{+} - D^{+}$ mass difference

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp} π^{0}$ and $K_{S}^{0} K^{\pm} π^{\mp} η$ cross sections using initial-state radiation