A. Bondar

activity

19992022

most citedObservation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays

2k citations · 30.3k across the 432 of their papers we have counts for

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Showing 2013 · hep-exShow all

49 papers · 2 filters

hep-ex2013★ 20 cited

Measurement of the $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ and $B ˉ_{s}^{0} \to D^{-} D_{s}^{+}$ effective lifetimes

LHCb collaboration, R. Aaij, B. Adeva +672

The first measurement of the effective lifetime of the $B ˉ_{s}^{0}$ meson in the decay $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ is reported using a proton-proton collision dataset, correspondi…

hep-ex2013★ 52 cited

Studies of beauty baryon decays to $D^{0} p h^{-}$ and $Λ_{c}^{+} h^{-}$ final states

LHCb collaboration, R. Aaij, B. Adeva +670

Decays of beauty baryons to the $D^{0} p h^{-}$ and $Λ_{c}^{+} h^{-}$ final states (where $h$ indicates a pion or a kaon) are studied using a data sample of $pp$ collisions, corresponding to…

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…

hep-ex2013★ 42 cited

Measurement of the $τ$ -lepton lifetime at Belle

Belle Collaboration, K. Belous, M. Shapkin +163

The lifetime of the $τ$ -lepton is measured using the process $e^{+} e^{-} \to τ^{+} τ^{-}$ , where both $τ$ -leptons decay to $3 π ν_{τ}$ . The result for the mean lifetime, based on $711\,\m…

hep-ex2013★ 116 cited

Measurement of CP violation in the phase space of $B^{\pm} \to K^{+} K^{-} π^{\pm}$ and $B^{\pm} \to π^{+} π^{-} π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +656

The charmless decays $B^{\pm} \to K^{+} K^{-} π^{\pm}$ and $B^{\pm} \to π^{+} π^{-} π^{\pm}$ are reconstructed in a data set, corresponding to an integrated luminosity…

hep-ex2013★ 41 cited

Measurements of indirect CP asymmetries in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +656

A study of indirect CP violation in $D^{0}$ mesons through the determination of the parameter $A_{Γ}$ is presented using a data sample of $pp$ collisions, corresponding to an integrate…

hep-ex2013★ 87 cited

Search for the doubly charmed baryon Xi_cc^+

LHCb collaboration, R. Aaij, B. Adeva +656

A search for the doubly charmed baryon Xi_cc^+ in the decay mode Xi_cc^+ -> Lambda_c^+ K^- pi^+ is performed with a data sample, corresponding to an integrated luminosity of 0.65/f…

hep-ex2013

Search for the decay D0 to π+ π- μ+ μ-

LHCb collaboration, R. Aaij, B. Adeva +656

A search for the D0 to π+ π- μ+ μ- decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated lu…

hep-ex2013★ 39 cited

Observation of B^0_(s) -> J/ψf_1(1285) decays and measurement of the f_1(1285) mixing angle

LHCb collaboration, R. Aaij, B. Adeva +666

Decays of Bs and B0 mesons into J/ψπ+π-π+π- final states, produced in pp collisions at the LHC, are investigated using data corresponding to an integrated luminosity of 3/fb collec…

hep-ex2013★ 13 cited

Measurement of $e^{+} e^{-} \to ω π^{0}$ , $K^{} (892) K ˉ$ and $K_{2}^{} (1430) K ˉ$ at $s$ near 10.6 GeV

Belle Collaboration, C. P. Shen, C. Z. Yuan +161

Using data samples of 89 fb $^{- 1}$ , 703 fb $^{- 1}$ , and 121 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider at center-of-mass energies 10…

hep-ex2013★ 70 cited

First Observation of the Zb0(10610) in a Dalitz Analysis of Y(5S) -> Y(nS) pi0 pi0

P. Krokovny, A. Bondar, I. Adachi +183

We report the first observation of Y(5S) -> Y(nS) pi0 pi0 decays. The neutral partner of the Zb+-(10610), the Zb0(10610) decaying to Y(2,3S) pi0, is observed for the first time wit…

hep-ex2013★ 72 cited

Measurement of D0-D0bar mixing parameters and search for CP violation using D0->K+pi- decays

LHCb collaboration, R. Aaij, B. Adeva +657

Measurements of charm mixing parameters from the decay-time-dependent ratio of D0->K+pi- to D0->K-pi+ rates and the charge-conjugate ratio are reported. The analysis uses data, cor…

hep-ex2013★ 559 cited

Measurement of form-factor independent observables in the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +655

We present a measurement of form-factor independent angular observables in the decay \mbox{ $B^{0} \to K^{*} (892)^{0} μ^{+} μ^{-}$ }. The analysis is based on a data sample corresponding to…

hep-ex2013★ 32 cited

First observation of B0->J/ψK+K- and search for B0->J/ψϕ decays

LHCb collaboration, R. Aaij, B. Adeva +652

The first observation of the B0->J/ψK+K- decay is presented with a data sample corresponding to an integrated luminosity of 1.0/fb of pp collisions at a center-of-mass energy of 7…

hep-ex2013★ 70 cited

Observation of the decay Bc+ -> Bs0 pi+

LHCb collaboration, R. Aaij, B. Adeva +653

The result of a search for the decay Bc+ -> Bs0 pi+ is presented, using the Bs0 -> Ds- pi+ and Bs0 -> J/psi Phi channels. The analysis is based on a data sample of pp collisions co…

hep-ex2013

Measurement of the $C ¶$ asymmetry in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +657

A measurement of the $C ¶$ asymmetry in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays is presented using $pp$ collision data, corresponding to an integrated luminosity of 1.0 $f b^{- 1}$ , r…

hep-ex2013★ 19 cited

Studies of the decays $B^{+} \to p p ˉ h^{+}$ and observation of $B^{+} \to Λ ˉ (1520) p$

LHCb collaboration, R. Aaij, B. Adeva +652

Dynamics and direct $C ¶$ violation in three-body charmless decays of charged $B$ mesons to a proton, an antiproton and a light meson (pion or kaon) are studied using data, correspo…

hep-ex2013★ 75 cited

Observation of a resonance in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays at low recoil

LHCb collaboration, R. Aaij, B. Adeva +657

A broad peaking structure is observed in the dimuon spectrum of $B^{+} \to K^{+} μ^{+} μ^{-}$ decays in the kinematic region where the kaon has a low recoil against the dimuon system. The s…

hep-ex2013★ 35 cited

High-statistics study of K^0_S pair production in two-photon collisions

The Belle Collaboration, S. Uehara, Y. Watanabe +164

We report a high-statistics measurement of the differential cross section of the process gamma gamma --> K^0_S K^0_S in the range 1.05 GeV <= W <= 4.00 GeV, where W is the center-o…

hep-ex2013★ 153 cited

Measurement of $J / ψ$ polarization in $pp$ collisions at $s = 7$ TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +627

An angular analysis of the decay $J / ψ \to μ^{+} μ^{-}$ is performed to measure the polarization of prompt $J / ψ$ mesons produced in $pp$ collisions at $\sqrt{s}=7\; \mathrm{T…

hep-ex2013★ 302 cited

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ branching fraction and search for $B^{0} \to μ^{+} μ^{-}$ decays at the LHCb experiment

LHCb collaboration, R. Aaij, B. Adeva +650

A search for the rare decays $B_{s}^{0} \to μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-}$ is performed at the LHCb experiment. The data analysed correspond to an integrated luminosity of 1 fb $^{- 1}$ of $…

hep-ex2013★ 52 cited

Measurement of the relative rate of prompt $χ_{c 0}$ , $χ_{c 1}$ and $χ_{c 2}$ production at $s = 7$ TeV

LHCb collaboration, R. Aaij, B. Adeva +648

Prompt production of charmonium $χ_{c 0}$ , $χ_{c 1}$ and $χ_{c 2}$ mesons is studied using proton-proton collisions at the LHC at a centre-of-mass energy of $s = 7$ TeV. The $χ_{c…

hep-ex2013★ 37 cited

Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +632

An analysis of the decay B0 -> J/psi K*(892)0 is presented using data, corresponding to an integrated luminosity of 1.0fb^-1, collected in pp collisions at a centre-of-mass energy…

hep-ex2013★ 55 cited

Measurement of the differential branching fraction of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +650

The differential branching fraction of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$ is measured as a function of the square of the dimuon invariant mass, $q^{2}$ . A yield of $78 \pm 12$ $Λ_b^0\…

Measurement of the Bˉs0​→Ds−​Ds+​ and Bˉs0​→D−Ds+​ effective lifetimes

Studies of beauty baryon decays to D0ph− and Λc+​h− final states

Measurement of the ratio of the leptonic widths Γee​/Γμμ​ for the J/ψ meson

Measurement of the τ-lepton lifetime at Belle

Measurement of CP violation in the phase space of B±→K+K−π± and B±→π+π−π± decays

Measurements of indirect CP asymmetries in D0→K−K+ and D0→π−π+ decays

Search for the doubly charmed baryon Xi_cc^+

Search for the decay D0 to π+ π- μ+ μ-

Observation of B^0_(s) -> J/ψf_1(1285) decays and measurement of the f_1(1285) mixing angle

Measurement of e+e−→ωπ0, K∗(892)Kˉ and K2∗​(1430)Kˉ at s​ near 10.6 GeV

First Observation of the Zb0(10610) in a Dalitz Analysis of Y(5S) -> Y(nS) pi0 pi0

Measurement of D0-D0bar mixing parameters and search for CP violation using D0->K+pi- decays

Measurement of form-factor independent observables in the decay B0→K∗0μ+μ−

First observation of B0->J/ψK+K- and search for B0->J/ψϕ decays

Observation of the decay Bc+ -> Bs0 pi+

Measurement of the C¶ asymmetry in B+→K+μ+μ− decays

Studies of the decays B+→ppˉ​h+ and observation of B+→Λˉ(1520)p

Observation of a resonance in B+→K+μ+μ− decays at low recoil

High-statistics study of K^0_S pair production in two-photon collisions

Measurement of J/ψ polarization in pp collisions at s​=7 TeV

Measurement of the Bs0​→μ+μ− branching fraction and search for B0→μ+μ− decays at the LHCb experiment

Measurement of the relative rate of prompt χc0​, χc1​ and χc2​ production at s​=7TeV

Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays

Measurement of the differential branching fraction of the decay Λb0​→Λμ+μ−

Measurement of the $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ and $B ˉ_{s}^{0} \to D^{-} D_{s}^{+}$ effective lifetimes

Studies of beauty baryon decays to $D^{0} p h^{-}$ and $Λ_{c}^{+} h^{-}$ final states

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

Measurement of the $τ$ -lepton lifetime at Belle

Measurement of CP violation in the phase space of $B^{\pm} \to K^{+} K^{-} π^{\pm}$ and $B^{\pm} \to π^{+} π^{-} π^{\pm}$ decays

Measurements of indirect CP asymmetries in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

Measurement of $e^{+} e^{-} \to ω π^{0}$ , $K^{} (892) K ˉ$ and $K_{2}^{} (1430) K ˉ$ at $s$ near 10.6 GeV

Measurement of form-factor independent observables in the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

Measurement of the $C ¶$ asymmetry in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays

Studies of the decays $B^{+} \to p p ˉ h^{+}$ and observation of $B^{+} \to Λ ˉ (1520) p$

Observation of a resonance in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays at low recoil

Measurement of $J / ψ$ polarization in $pp$ collisions at $s = 7$ TeV

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ branching fraction and search for $B^{0} \to μ^{+} μ^{-}$ decays at the LHCb experiment

Measurement of the relative rate of prompt $χ_{c 0}$ , $χ_{c 1}$ and $χ_{c 2}$ production at $s = 7$ TeV

Measurement of the differential branching fraction of the decay $Λ_{b}^{0} \to Λ μ^{+} μ^{-}$