A. Badalov

activity

20122019

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 16.6k across the 200 of their papers we have counts for

collaborators

201 papers

hep-ex2019★ 64 cited

Search for the doubly charmed baryon $Ξ_{cc}^{+}$

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

A search for the doubly charmed baryon $Ξ_{cc}^{+}$ is performed through its decay to the $Λ_{c}^{+} K^{-} π^{+}$ final state, using proton-proton collision data collected with the LHCb de…

hep-ex2019★ 6 cited

Measurement of the ratio of branching fractions of the decays $Λ_{b}^{0} \to ψ (2 S) Λ$ and $Λ_{b}^{0} \to J / ψ Λ$

LHCb Collaboration, R. Aaij, B. Adeva +799

Using $pp$ collisions corresponding to 3 $fb^{- 1}$ integrated luminosity, recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 $TeV$ , the ratio of…

hep-ex2018★ 21 cited

Measurement of the CKM angle $γ$ using $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ , $K_{S}^{0} K^{+} K^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +819

A binned Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ decays, with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$ , is used to perform a measurement of the CP-violating obse…

hep-ex2018★ 29 cited

Search for CP violation using triple product asymmetries in $Λ_{b}^{0} \to p K^{-} π^{+} π^{-}$ , $Λ_{b}^{0} \to p K^{-} K^{+} K^{-}$ and $Ξ_{b}^{0} \to p K^{-} K^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +791

A search for $C$ P and $P$ violation using triple-product asymmetries is performed with $Λ_{b}^{0} \to p K^{-} π^{+} π^{-}$ , $Λ_{b}^{0} \to p K^{-} K^{+} K^{-}$ and $Ξ^{0}_{b}\to pK^{-}K^{-…

hep-ex2018★ 14 cited

A search for weakly decaying b-flavored pentaquarks

LHCb collaboration, R. Aaij, B. Adeva +790

Investigations of the existence of pentaquark states containing a single $b$ (anti)quark decaying weakly into four specific final states J/ $ψ K^{+} π^{-} p$ , J/ $ψ K^{-} π^{-} p$ , J/$ψK^- π^+…

hep-ex2017★ 19 cited

Amplitude analysis of the decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ and first observation of the CP asymmetry in $B^{0} \to K^{*} (892)^{-} π^{+}$

LHCb collaboration, R. Aaij, B. Adeva +794

The time-integrated Dalitz plot of the three-body hadronic charmless decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ is studied using a $pp$ collision data…

hep-ex2017★ 20 cited

First measurement of the $C P$ -violating phase $ϕ_{s}^{d d}$ in $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays

LHCb collaboration, R. Aaij, B. Adeva +793

A flavour-tagged decay-time-dependent amplitude analysis of $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays is presented in the $K^{\pm} π^{\mp}$ mass range from 750 to 1600 MeV $/ c^{2}$ . The analys…

hep-ex2017★ 39 cited

Studies of the resonance structure in $D^{0} \to K^{\mp} π^{\pm} π^{\pm} π^{\mp}$ decays

LHCb collaboration, R. Aaij, B. Adeva +791

Amplitude models are constructed to describe the resonance structure of $D^{0} \to K^{-} π^{+} π^{+} π^{-}$ and $D^{0} \to K^{+} π^{-} π^{-} π^{+}$ decays using $pp$ collision data co…

hep-ex2017★ 33 cited

Search for the rare decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +792

A search for the flavor-changing neutral-current decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$ is reported using a data set corresponding to an integrated luminosity of $3.0 f b^{- 1}$ collected…

hep-ex2017★ 34 cited

A measurement of the $C P$ asymmetry difference in $Λ_{c}^{+} \to p K^{-} K^{+}$ and $p π^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +791

The difference between the $C P$ asymmetries in the decays $Λ_{c}^{+} \to p K^{-} K^{+}$ and $Λ_{c}^{+} \to p π^{-} π^{+}$ is presented. Proton-proton collision data t…

hep-ex2017★ 15 cited

Search for $B_{c}^{+}$ decays to two charm mesons

LHCb collaboration, R. Aaij, B. Adeva +791

A search for decays of $B_{c}^{+}$ mesons to two charm mesons is performed for the first time using data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ , collected by the LH…

hep-ex2017★ 24 cited

Search for excited $B_{c}^{+}$ states

LHCb collaboration, R. Aaij, B. Adeva +792

A search is performed in the invariant mass spectrum of the $B_{c}^{+} π^{+} π^{-}$ system for the excited $B_{c}^{+}$ states $B_{c} (2^{1} S_{0})^{+}$ and $B_{c} (2^{3} S_{1})^{+}$ using a data sam…

hep-ex2017★ 33 cited

Updated determination of $D^{0}$ - $D^{0}$ mixing and CP violation parameters with $D^{0} \to K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +792

We report measurements of charm-mixing parameters based on the decay-time-dependent ratio of $D^{0} \to K^{+} π^{-}$ to $D^{0} \to K^{-} π^{+}$ rates. The analysis uses a data sample of proton-pro…

hep-ex2017★ 12 cited

First observation of $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays and a search for $B^{+} \to D_{s}^{+} ϕ$ decays

LHCb collaboration, R. Aaij, B. Adeva +797

A search for $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays is performed using $pp$ collision data corresponding to an integrated luminosity of 4.8 fb $^{- 1}$ , collected at centre-of-mass ene…

hep-ex2017★ 280 cited

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, B. Adeva +797

A measurement is reported of the ratio of branching fractions $R (J / ψ) = B (B_{c}^{+} \to J / ψ τ^{+} ν_{τ}) / B (B_{c}^{+} \to J / ψ μ^{+} ν_{μ})$ , where the $τ^{+}$ lepton is id…

hep-ex2017★ 18 cited

Measurement of branching fractions of charmless four-body $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +794

A search for charmless four-body decays of $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ baryons with a proton and three charged mesons (either kaons or pions) in the final state is performed. The d…

hep-ex2017★ 20 cited

Measurements of the branching fractions of $Λ_{c}^{+} \to p π^{-} π^{+}$ , $Λ_{c}^{+} \to p K^{-} K^{+}$ , and $Λ_{c}^{+} \to p π^{-} K^{+}$

LHCb collaboration, R. Aaij, B. Adeva +804

The ratios of the branching fractions of the decays $Λ_{c}^{+} \to p π^{-} π^{+}$ , $Λ_{c}^{+} \to p K^{-} K^{+}$ , and $Λ_{c}^{+} \to p π^{-} K^{+}$ with res…

hep-ex2017★ 45 cited

Measurement of the $B^{\pm}$ production cross-section in pp collisions at $s =$ 7 and 13 TeV

LHCb collaboration, R. Aaij, B. Adeva +796

The production of $B^{\pm}$ mesons is studied in $pp$ collisions at centre-of-mass energies of 7 and 13 TeV, using $B^{\pm} \to J / ψ K^{\pm}$ decays and data samples correspon…

hep-ex2017★ 42 cited

Search for the lepton-flavour violating decays $B_{(s)}^{0} \to e^{\pm} μ^{\mp}$

LHCb collaboration, R. Aaij, B. Adeva +799

A search for the lepton-flavour violating decays $B_{s}^{0} \to e^{\pm} μ^{\mp}$ and $B^{0} \to e^{\pm} μ^{\mp}$ is performed based on a sample of proton-proton collision data co…

hep-ex2017★ 206 cited

Search for dark photons produced in 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, B. Adeva +796

Searches are performed for both prompt-like and long-lived dark photons, $A^{'}$ , produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using $A^{\prime}\…

hep-ex2017★ 14 cited

Measurement of $C P$ observables in $B^{\pm} \to D K^{*\pm}$ decays using two- and four-body $D$ final states

LHCb collaboration, R. Aaij, B. Adeva +799

Measurements of $C P$ observables in $B^{\pm} \to D K^{*\pm}$ decays are presented, where $D$ denotes a superposition of $D^{0}$ and $D^{0}$ meson states. Decays of t…

hep-ex2017★ 23 cited

$χ_{c 1}$ and $χ_{c 2}$ resonance parameters with the decays $χ_{c 1, c 2} \to J / ψ μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +797

The decays $χ_{c 1} \to J / ψ μ^{+} μ^{-}$ and $χ_{c 2} \to J / ψ μ^{+} μ^{-}$ are observed and used to study the resonance parameters of the $χ_{c 1}$ and $χ_{c 2}$ mesons. The mass…

hep-ex2017

Measurement of $C P$ violation in $B^{0} \to J / ψ K_{S}^{0}$ and $B^{0} \to ψ (2 S) K_{S}^{0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +797

A measurement is presented of decay-time-dependent $C P$ violation in the decays $B^{0} \to J / ψ K_{S}^{0}$ and $B^{0} \to ψ (2 S) K_{S}^{0}$ , where the $J / ψ$ is reco…

hep-ex2017★ 5 cited

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +804

The decay $Z \to b b ˉ$ is reconstructed in $pp$ collision data, corresponding to 2 fb $^{- 1}$ of integrated luminosity, collected by the LHCb experiment at a centre-of-…

Search for the doubly charmed baryon Ξcc+​

Measurement of the ratio of branching fractions of the decays Λb0​→ψ(2S)Λ and Λb0​→J/ψΛ

Measurement of the CKM angle γ using B±→DK± with D→KS0​π+π−, KS0​K+K− decays

Search for CP violation using triple product asymmetries in Λb0​→pK−π+π−, Λb0​→pK−K+K− and Ξb0​→pK−K−π+ decays

A search for weakly decaying b-flavored pentaquarks

Amplitude analysis of the decay B0→KS0​π+π− and first observation of the CP asymmetry in B0→K∗(892)−π+

First measurement of the CP-violating phase ϕsdd​ in Bs0​→(K+π−)(K−π+) decays

Studies of the resonance structure in D0→K∓π±π±π∓ decays

Search for the rare decay Λc+​→pμ+μ−

A measurement of the CP asymmetry difference in Λc+​→pK−K+ and pπ−π+ decays

Search for Bc+​ decays to two charm mesons

Search for excited Bc+​ states

Updated determination of D0-D0 mixing and CP violation parameters with D0→K+π− decays

First observation of B+→Ds+​K+K− decays and a search for B+→Ds+​ϕ decays

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

Measurement of branching fractions of charmless four-body Λb0​ and Ξb0​ decays

Measurements of the branching fractions of Λc+​→pπ−π+, Λc+​→pK−K+, and Λc+​→pπ−K+

Measurement of the B± production cross-section in pp collisions at s​= 7 and 13 TeV

Search for the lepton-flavour violating decays B(s)0​→e±μ∓

Search for dark photons produced in 13 TeV pp collisions

Measurement of CP observables in B±→DK∗± decays using two- and four-body D final states

χc1​ and χc2​ resonance parameters with the decays χc1,c2​→J/ψμ+μ−

Measurement of CP violation in B0→J/ψKS0​ and B0→ψ(2S)KS0​ decays

First observation of forward Z→bbˉ production in pp collisions at s​=8 TeV

Search for the doubly charmed baryon $Ξ_{cc}^{+}$

Measurement of the ratio of branching fractions of the decays $Λ_{b}^{0} \to ψ (2 S) Λ$ and $Λ_{b}^{0} \to J / ψ Λ$

Measurement of the CKM angle $γ$ using $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ , $K_{S}^{0} K^{+} K^{-}$ decays

Search for CP violation using triple product asymmetries in $Λ_{b}^{0} \to p K^{-} π^{+} π^{-}$ , $Λ_{b}^{0} \to p K^{-} K^{+} K^{-}$ and $Ξ_{b}^{0} \to p K^{-} K^{-} π^{+}$ decays

Amplitude analysis of the decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ and first observation of the CP asymmetry in $B^{0} \to K^{*} (892)^{-} π^{+}$

First measurement of the $C P$ -violating phase $ϕ_{s}^{d d}$ in $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays

Studies of the resonance structure in $D^{0} \to K^{\mp} π^{\pm} π^{\pm} π^{\mp}$ decays

Search for the rare decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$

A measurement of the $C P$ asymmetry difference in $Λ_{c}^{+} \to p K^{-} K^{+}$ and $p π^{-} π^{+}$ decays

Search for $B_{c}^{+}$ decays to two charm mesons

Search for excited $B_{c}^{+}$ states

Updated determination of $D^{0}$ - $D^{0}$ mixing and CP violation parameters with $D^{0} \to K^{+} π^{-}$ decays

First observation of $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays and a search for $B^{+} \to D_{s}^{+} ϕ$ decays

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

Measurement of branching fractions of charmless four-body $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ decays

Measurements of the branching fractions of $Λ_{c}^{+} \to p π^{-} π^{+}$ , $Λ_{c}^{+} \to p K^{-} K^{+}$ , and $Λ_{c}^{+} \to p π^{-} K^{+}$

Measurement of the $B^{\pm}$ production cross-section in pp collisions at $s =$ 7 and 13 TeV

Search for the lepton-flavour violating decays $B_{(s)}^{0} \to e^{\pm} μ^{\mp}$

Search for dark photons produced in 13 TeV $pp$ collisions

Measurement of $C P$ observables in $B^{\pm} \to D K^{*\pm}$ decays using two- and four-body $D$ final states

$χ_{c 1}$ and $χ_{c 2}$ resonance parameters with the decays $χ_{c 1, c 2} \to J / ψ μ^{+} μ^{-}$

Measurement of $C P$ violation in $B^{0} \to J / ψ K_{S}^{0}$ and $B^{0} \to ψ (2 S) K_{S}^{0}$ decays

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV