I. Belyaev

activity

20172026

most citedSearch for the lepton-flavour violating decays

B_{(s)}^{0} \to e^{\pm} μ^{\mp}

42 citations · 48 across the 16 of their papers we have counts for

collaborators

Showing 2026Show all

12 papers · 1 filter

hep-ex2026

Branching fraction measurements of $η$ and $η^{'} (958)$ anomalous decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

Branching fractions of $η$ and $η^{'} (958)$ anomalous decays are measured using $pp$ collision data at a center-of-mass energy of $s = 13 TeV$ collected by the LHCb exper…

nucl-ex2026

Measurement of the average transverse momentum of forward prompt charged particles in $pp$ and $p Pb$ collisions at $s_{N N} = 5.02 TeV$

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

This letter presents the first measurements of the average transverse momentum of prompt charged particles in $pp$ and $p Pb$ collisions as a function of collision multipli…

hep-ex2026

Study of muon-tagged $D_{s 1} (2460)^{+}$ and $D_{s 1} (2536)^{+}$ decays to the $D_{s}^{+} π^{+} π^{-}$ final state

LHCb collaboration, R. Aaij, M. Abdelfatah +1119

Decays of the pseudovector $D_{s 1} (2460)^{+}$ and $D_{s 1} (2536)^{+}$ mesons to the three-body $D_{s}^{+} π^{+} π^{-}$ final state are studied. The data sample is based on decays of beauty hadr…

hep-ex2026

Improved measurement of $C P$ violation in $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1116

The time-dependent $C P$ asymmetry in $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays is measured using proton-proton collision data, corresponding to an integrated luminosity of $6\,\text…

hep-ex2026

Search for $C P$ violation in $D^{+} \to ϕ π^{+}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

A search for charge-parity ( $C P$ ) violation in the Cabibbo-suppressed $D^{+} \to ϕ π^{+}$ decay is presented, using proton-proton collision data corresponding to an integrated luminos…

hep-ex2026

Search for the decays $B_{(c)}^{+} \to μ^{+} ν_{μ} γ$

LHCb collaboration, R. Aaij, M. Abdelfatah +1128

A search for the radiative leptonic decays $B^{+} \to μ^{+} ν_{μ} γ$ and $B_{c}^{+} \to μ^{+} ν_{μ} γ$ is performed using proton-proton collision data collected with the LHCb experiment at a center-of-m…

hep-ex2026

Differential measurement of the branching fraction and $C P$ asymmetry of the decay $B^{\pm} \to π^{\pm} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1121

Differential measurements of the branching fraction and $C P$ asymmetry of the decay $B^{\pm} \to π^{\pm} μ^{+} μ^{-}$ are performed in intervals of the dimuon mass squared, $q^{2}$ , using pro…

hep-ex2026

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ τ^{+} ν_{τ}) / B (B_{c}^{+} \to J / ψ μ^{+} ν_{μ})$

LHCb collaboration, R. Aaij, M. Abdelfatah +1121

A measurement of the ratio of semileptonic branching fractions $R (J ψ)$ , defined as $\mathcal{R}(J/ψ) \equiv \mathcal{B}(B_c^+ \to J/ψτ^+ ν_τ)/\mathcal{B}(B_c^+ \to J/ψμ^+…

hep-ex2026

Associated $Z$ + $J / ψ$ production as a probe of multiparton interactions in the forward region

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

This letter reports a study of associated $Z$ boson and prompt $J / ψ$ production in proton-proton collisions at $s = 13$ TeV with the LHCb detector in the forward rapidity regi…

hep-ex2026

First evidence of the decay $B^{+} \to π^{+} e^{+} e^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

The first evidence for the decay $B^{+} \to π^{+} e^{+} e^{-}$ is reported using proton-proton collision data recorded by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, c…

hep-ex2026

Measurement of inclusive production of charmonium states in $b$ -hadron decays via their decay into $ϕϕ$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1176

The inclusive production of the $η_{c} (1 S)$ , $η_{c} (2 S)$ and $χ_{c}$ charmonium states in $b$ -hadron decays is studied with LHCb Run~2 data, corresponding to an integrated luminosity o…

hep-ex2026★ 1 cited

First measurement of time-dependent $C P$ violation in the flavor-changing neutral-current decay $B^{0} \to K_{S}^{0} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1165

A flavor-tagged time-dependent analysis of $B^{0} \to K_{S}^{0} μ^{+} μ^{-}$ decays is performed across the full dimuon mass range excluding the $J / ψ$ and $ψ (2 S)$ resonance re…

Branching fraction measurements of η and η′(958) anomalous decays

Measurement of the average transverse momentum of forward prompt charged particles in pp and pPb collisions at sNN​​=5.02TeV

Study of muon-tagged Ds1​(2460)+ and Ds1​(2536)+ decays to the Ds+​π+π− final state

Improved measurement of CP violation in Bs0​→J/ψπ+π− decays

Search for CP violation in D+→ϕπ+ decays

Search for the decays B(c)+​→μ+νμ​γ

Differential measurement of the branching fraction and CP asymmetry of the decay B±→π±μ+μ−

Measurement of the ratio of branching fractions B(Bc+​→J/ψτ+ντ​)/B(Bc+​→J/ψμ+νμ​)

Associated Z + J/ψ production as a probe of multiparton interactions in the forward region

First evidence of the decay B+→π+e+e−

Measurement of inclusive production of charmonium states in b-hadron decays via their decay into ϕϕ

First measurement of time-dependent CP violation in the flavor-changing neutral-current decay B0→KS0​μ+μ−

Branching fraction measurements of $η$ and $η^{'} (958)$ anomalous decays

Measurement of the average transverse momentum of forward prompt charged particles in $pp$ and $p Pb$ collisions at $s_{N N} = 5.02 TeV$

Study of muon-tagged $D_{s 1} (2460)^{+}$ and $D_{s 1} (2536)^{+}$ decays to the $D_{s}^{+} π^{+} π^{-}$ final state

Improved measurement of $C P$ violation in $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays

Search for $C P$ violation in $D^{+} \to ϕ π^{+}$ decays

Search for the decays $B_{(c)}^{+} \to μ^{+} ν_{μ} γ$

Differential measurement of the branching fraction and $C P$ asymmetry of the decay $B^{\pm} \to π^{\pm} μ^{+} μ^{-}$

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ τ^{+} ν_{τ}) / B (B_{c}^{+} \to J / ψ μ^{+} ν_{μ})$

Associated $Z$ + $J / ψ$ production as a probe of multiparton interactions in the forward region

First evidence of the decay $B^{+} \to π^{+} e^{+} e^{-}$

Measurement of inclusive production of charmonium states in $b$ -hadron decays via their decay into $ϕϕ$

First measurement of time-dependent $C P$ violation in the flavor-changing neutral-current decay $B^{0} \to K_{S}^{0} μ^{+} μ^{-}$