A. Baranov

activity

20132022

most citedObservation of a narrow pentaquark state,

P_{c} (4312)^{+}

, and of two-peak structure of the

P_{c} (4450)^{+}

738 citations · 7.3k across the 110 of their papers we have counts for

collaborators

112 papers

physics.ins-det2022★ 24 cited

Setup of Compton polarimeters for measuring entangled annihilation photons

D. Abdurashitov, A. Baranov, D. Borisenko +8

An experimental setup for studying the Compton scattering of annihilation photons in various (entangled and decoherent) quantum states is presented. Two entangled $γ$ -quanta with a…

physics.ins-det2021★ 2 cited

Track reconstruction and matching between emulsion and silicon pixel detectors for the SHiP-charm experiment

SHiP Collaboration

In July 2018 an optimization run for the proposed charm cross section measurement for SHiP was performed at the CERN SPS. A heavy, moving target instrumented with nuclear emulsion…

physics.ins-det2021

The SHiP experiment at the proposed CERN SPS Beam Dump Facility

SHIP Collaboration

The Search for Hidden Particles (SHiP) Collaboration has proposed a general-purpose experimental facility operating in beam-dump mode at the CERN SPS accelerator to search for ligh…

hep-ex2021★ 48 cited

Search for the doubly heavy baryons $Ω_{bc}^{0}$ and $Ξ_{bc}^{0}$ decaying to $Λ_{c}^{+} π^{-}$ and $Ξ_{c}^{+} π^{-}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The first search for the doubly heavy $Ω_{bc}^{0}$ baryon and a search for $Ξ_{bc}^{0}$ baryon are performed using $pp$ collision data collected via the LHCb experiment…

hep-ex2020★ 42 cited

Sensitivity of the SHiP experiment to dark photons decaying to a pair of charged particles

SHiP Collaboration, C. Ahdida, A. Akmete +331

Dark photons are hypothetical massive vector particles that could mix with ordinary photons. The simplest theoretical model is fully characterised by only two parameters: the mass…

hep-ex2020★ 29 cited

Search for $C P$ violation in $Ξ_{c}^{+} \to p K^{-} π^{+}$ decays using model-independent techniques

LHCb collaboration, R. Aaij, C. Abellán Beteta +950

A first search for $C P$ violation in the Cabibbo-suppressed $Ξ_{c}^{+} \to p K^{-} π^{+}$ decay is performed using both a binned and an unbinned model-independent technique in the Dal…

hep-ex2020★ 32 cited

Search for the lepton flavour violating decay $B^{+} \to K^{+} μ^{-} τ^{+}$ using $B_{s 2}^{* 0}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

A search is presented for the lepton flavour violating decay $B^{+} \to K^{+} μ^{-} τ^{+}$ using a sample of proton--proton collisions at centre-of-mass energies of 7, 8, and 13 Te…

hep-ex2020★ 15 cited

Measurement of the shape of the $B_{s}^{0} \to D_{s}^{*-} μ^{+} ν_{μ}$ differential decay rate

LHCb collaboration, R. Aaij, C. Abellán Beteta +906

The shape of the $B_{s}^{0} \to D_{s}^{*-} μ^{+} ν_{μ}$ differential decay rate is obtained as a function of the hadron recoil using proton-proton collision data at a centre-of-mass ene…

physics.ins-det2020★ 18 cited

SND@LHC

SHiP Collaboration, C. Ahdida, A. Akmete +341

We propose to build and operate a detector that, for the first time, will measure the process $pp \to ν X$ at the LHC and search for feebly interacting particles (FIPs) in an unexplor…

hep-ex2020★ 12 cited

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

Measurements of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays are presented, where $D$ represents a superposition of $D^{0}$ and $D ˉ^{0}$ states. The $D$ …

hep-ex2020★ 8 cited

Measurement of the branching fraction of the decay $B_{s}^{0} \to K_{S}^{0} K_{S}^{0}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +905

A measurement of the branching fraction of the decay $B_{s}^{0} \to K_{S}^{0} K_{S}^{0}$ is performed using proton-proton collision data corresponding to an integrated luminosity of 5 $fb^{-1}…

hep-ex2020★ 45 cited

Observation of a new baryon state in the $Λ_{b}^{0} π^{+} π^{-}$ mass spectrum

LHCb collaboration, R. Aaij, C. Abellán Beteta +905

A new baryon state is observed in the $Λ_{b}^{0} π^{+} π^{-}$ mass spectrum with high significance using a data sample of $pp$ collisions, collected with the LHCb detector at centre-of-mass…

physics.ins-det2020★ 3 cited

Measurement of the muon flux for the SHiP experiment

SHiP Collaboration

The SHiP experiment will search for very weakly interacting particles beyond the Standard Model which are produced in a 400 \GeV/ $c$ proton beam dump at the CERN SPS. About $10^{11…

hep-ex2020★ 28 cited

Constraints on the $K_{S}^{0} \to μ^{+} μ^{-}$ branching fraction

LHCb collaboration, R. Aaij, C. Abellán Beteta +901

A search for the decay $K_{S}^{0} \to μ^{+} μ^{-}$ is performed using proton-proton collision data, corresponding to an integrated luminosity of $5.6 fb^{- 1}$ a…

hep-ex2020

Measurement of $∣ V_{c b} ∣$ with $B_{s}^{0} \to D_{s}^{(*) -} μ^{+} ν_{μ}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

The element $∣ V_{c b} ∣$ of the Cabibbo-Kobayashi-Maskawa matrix is measured using semileptonic $B_{s}^{0}$ decays produced in proton-proton collision data collected with the LHCb detect…

hep-ex2019★ 64 cited

Test of lepton universality with $Λ_{b}^{0} \to p K^{-} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

The ratio of branching fractions of the decays $Λ_{b}^{0} \to p K^{-} e^{+} e^{-}$ and $Λ_{b}^{0} \to p K^{-} μ^{+} μ^{-}$ , $R_{p K}^{- 1}$ , is measured for the first time using proton-proto…

hep-ex2019★ 17 cited

Isospin amplitudes in $Λ_{b}^{0} \to J / ψ Λ (Σ^{0})$ and $Ξ_{b}^{0} \to J / ψ Ξ^{0} (Λ)$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

Ratios of isospin amplitudes in hadron decays are a useful probe of the interplay between weak and strong interactions, and allow searches for physics beyond the Standard Model. We…

hep-ex2019★ 47 cited

Precision measurement of the $Ξ_{cc}^{++}$ mass

LHCb collaboration, R. Aaij, C. Abellán Beteta +901

A measurement of the $Ξ_{cc}^{++}$ mass is performed using data collected by the LHCb experiment between 2016 and 2018 in $pp$ collisions at a centre-of-mass energy of 13 TeV, corr…

hep-ex2019★ 5 cited

Observation of the semileptonic decay $B^{+} \to p p μ^{+} ν_{μ}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The Cabibbo-suppressed semileptonic decay $B^{+} \to p p μ^{+} ν_{μ}$ is observed for the first time using a sample of $pp$ collisions corresponding to an integrated luminosit…

hep-ex2019★ 31 cited

Determination of quantum numbers for several excited charmed mesons observed in $B^{-} \to D^{*+} π^{-} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +907

A four-body amplitude analysis of the $B^{-} \to D^{*+} π^{-} π^{-}$ decay is performed, where fractions and relative phases of the various resonances contributing to the decay are measu…

hep-ex2019★ 37 cited

Measurement of the $η_{c} (1 S)$ production cross-section in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +913

Using a data sample corresponding to an integrated luminosity of $2.0 f b^{- 1}$ , collected by the LHCb experiment, the production of the $η_{c} (1 S)$ state in proton-proton collisions…

hep-ex2019★ 21 cited

Updated measurement of decay-time-dependent CP asymmetries in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +910

A search for decay-time-dependent charge-parity ( $C P$ ) asymmetry in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays is performed at the LHCb experiment using proton-proton collision d…

hep-ex2019★ 37 cited

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The production fraction of the $B_{c}^{-}$ meson with respect to the sum of $B^{-}$ and $B ˉ^{0}$ mesons is measured in both 7 and 13 TeV center-of-mass energy $pp$ collisions produced…

hep-ex2019★ 29 cited

Measurement of $Ξ_{cc}^{++}$ production in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The production of $Ξ_{cc}^{++}$ baryons in proton-proton collisions at a centre-of-mass energy of $s = 13$ TeV is measured in the transverse-momentum range $4<p_\mathrm…

Setup of Compton polarimeters for measuring entangled annihilation photons

Track reconstruction and matching between emulsion and silicon pixel detectors for the SHiP-charm experiment

The SHiP experiment at the proposed CERN SPS Beam Dump Facility

Search for the doubly heavy baryons Ωbc0​ and Ξbc0​ decaying to Λc+​π− and Ξc+​π−

Sensitivity of the SHiP experiment to dark photons decaying to a pair of charged particles

Search for CP violation in Ξc+​→pK−π+ decays using model-independent techniques

Search for the lepton flavour violating decay B+→K+μ−τ+ using Bs2∗0​ decays

Measurement of the shape of the Bs0​→Ds∗−​μ+νμ​ differential decay rate

SND@LHC

Measurement of CP observables in B±→DK± and B±→Dπ± with D→KS0​K±π∓ decays

Measurement of the branching fraction of the decay Bs0​→KS0​KS0​

Observation of a new baryon state in the Λb0​π+π− mass spectrum

Measurement of the muon flux for the SHiP experiment

Constraints on the KS0​→μ+μ− branching fraction

Measurement of ∣Vcb​∣ with Bs0​→Ds(∗)−​μ+νμ​ decays

Test of lepton universality with Λb0​→pK−ℓ+ℓ− decays

Isospin amplitudes in Λb0​→J/ψΛ(Σ0) and Ξb0​→J/ψΞ0(Λ) decays

Precision measurement of the Ξcc++​ mass

Observation of the semileptonic decay B+→pp​μ+νμ​

Determination of quantum numbers for several excited charmed mesons observed in B−→D∗+π−π− decays

Measurement of the ηc​(1S) production cross-section in pp collisions at s​=13 TeV

Updated measurement of decay-time-dependent CP asymmetries in D0→K+K− and D0→π+π− decays

Measurement of the Bc−​ meson production fraction and asymmetry in 7 and 13 TeV pp collisions

Measurement of Ξcc++​ production in pp collisions at s​=13 TeV

Search for the doubly heavy baryons $Ω_{bc}^{0}$ and $Ξ_{bc}^{0}$ decaying to $Λ_{c}^{+} π^{-}$ and $Ξ_{c}^{+} π^{-}$

Search for $C P$ violation in $Ξ_{c}^{+} \to p K^{-} π^{+}$ decays using model-independent techniques

Search for the lepton flavour violating decay $B^{+} \to K^{+} μ^{-} τ^{+}$ using $B_{s 2}^{* 0}$ decays

Measurement of the shape of the $B_{s}^{0} \to D_{s}^{*-} μ^{+} ν_{μ}$ differential decay rate

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

Measurement of the branching fraction of the decay $B_{s}^{0} \to K_{S}^{0} K_{S}^{0}$

Observation of a new baryon state in the $Λ_{b}^{0} π^{+} π^{-}$ mass spectrum

Constraints on the $K_{S}^{0} \to μ^{+} μ^{-}$ branching fraction

Measurement of $∣ V_{c b} ∣$ with $B_{s}^{0} \to D_{s}^{(*) -} μ^{+} ν_{μ}$ decays

Test of lepton universality with $Λ_{b}^{0} \to p K^{-} ℓ^{+} ℓ^{-}$ decays

Isospin amplitudes in $Λ_{b}^{0} \to J / ψ Λ (Σ^{0})$ and $Ξ_{b}^{0} \to J / ψ Ξ^{0} (Λ)$ decays

Precision measurement of the $Ξ_{cc}^{++}$ mass

Observation of the semileptonic decay $B^{+} \to p p μ^{+} ν_{μ}$

Determination of quantum numbers for several excited charmed mesons observed in $B^{-} \to D^{*+} π^{-} π^{-}$ decays

Measurement of the $η_{c} (1 S)$ production cross-section in $pp$ collisions at $s = 13$ TeV

Updated measurement of decay-time-dependent CP asymmetries in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

Measurement of $Ξ_{cc}^{++}$ production in $pp$ collisions at $s = 13$ TeV