L. Zhang

activity

20022026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 12.2k across the 351 of their papers we have counts for

collaborators

Showing 2013Show all

19 papers · 1 filter

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★ 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★ 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★ 22 cited

Observation of $B_{s}^{0}$ - $B ˉ_{s}^{0}$ mixing and measurement of mixing frequencies using semileptonic B decays

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

The $B_{s}^{0}$ and $B^{0}$ mixing frequencies, $Δ m_{s}$ and $Δ m_{d}$ , are measured using a data sample corresponding to an integrated luminosity of 1.0 fb^{-1} collected by the LHCb experim…

hep-ex2013★ 15 cited

Branching fraction and CP asymmetry of the decays $B^{+} \to K_{S}^{0} π^{+}$ and $B^{+} \to K_{S}^{0} K^{+}$

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

An analysis of $B^{+} \to K_{S}^{0} π^{+}$ and $B^{+} \to K_{S}^{0} K^{+}$ decays is performed with the LHCb experiment. The $pp$ collision data u…

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★ 98 cited

Study of $D_{J}$ meson decays to $D^{+} π^{-}$ , $D^{0} π^{+}$ and $D^{*+} π^{-}$ final states in pp collision

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

A study of $D^{+} π^{-}$ , $D^{0} π^{+}$ and $D^{*+} π^{-}$ final states is performed using pp collision data, corresponding to an integrated luminosity of 1.0 $f b^{- 1}$ , collected at a centre-…

hep-ex2013★ 120 cited

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

LHCb collaboration, R. Aaij, B. Adeva +647

The charmless decays $B^{\pm} \to K^{\pm} π^{+} π^{-}$ and $B^{\pm} \to K^{\pm} K^{+} K^{-}$ are reconstructed using data, corresponding to an integrated luminosity of 1.0 fb $^{- 1}$ , collected b…

hep-ex2013★ 77 cited

Measurement of B meson production cross-sections in proton-proton collisions at sqrt(s)= 7 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +625

The production cross-sections of B mesons are measured in pp collisions at a centre-of-mass energy of 7 TeV, using data collected with the LHCb detector corresponding to a integrat…

hep-ex2013★ 18 cited

First observation of the decay $B_{s}^{0} \to ϕ K ˉ^{* 0}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +626

The first observation of the decay $B_{s}^{0} \to ϕ K ˉ^{* 0}$ is reported. The analysis is based on a data sample corresponding to an integrated luminosity of 1.0 fb $^{- 1}$ …

hep-ex2013★ 55 cited

Search for the rare decay $D^{0} \to μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +634

A search for the rare decay $D^{0} \to μ^{+} μ^{-}$ is performed using a data sample, corresponding to an integrated luminosity of 0.9 fb $^{- 1}$ , of $pp$ collisions collected at a centre-…

hep-ex2013★ 185 cited

Differential branching fraction and angular analysis of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +631

The angular distribution and differential branching fraction of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$ are studied using a data sample, collected by the LHCb experiment in $pp$ co…

hep-ex2013★ 91 cited

Observation of $B_{c}^{+} \to J / ψ D_{s}^{+}$ and $B_{c}^{+} \to J / ψ D_{s}^{*+}$ decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +623

The decays $B_{c}^{+} \to J / ψ D_{s}^{+}$ and $B_{c}^{+} \to J / ψ D_{s}^{*+}$ are observed for the first time using a dataset, corresponding to an integrated luminosity of 3 $f b^{- 1}$ …

hep-ex2013★ 30 cited

Measurements of the branching fractions of $B^{+} \to p p ˉ K^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +619

The branching fractions of the decay $B^{+} \to p p ˉ K^{+}$ for different intermediate states are measured using data, corresponding to an integrated luminosity of $1.0 fb^{-1}…

hep-ex2013★ 23 cited

Search for rare $B_{(s)}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +620

\noindent A search for the decays $B_{s}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ is performed using data, corresponding to an integrated luminosity of 1…

hep-ex2013★ 26 cited

First observations of $B ˉ_{s}^{0} \to D^{+} D^{-}$ , $D_{s}^{+} D^{-}$ and $D^{0} D ˉ^{0}$ decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +619

First observations and measurements of the branching fractions of the $B ˉ_{s}^{0} \to D^{+} D^{-}$ , $B ˉ_{s}^{0} \to D_{s}^{+} D^{-}$ and $B ˉ_{s}^{0} \to D^{0} D ˉ^{0}$ decays are presented usin…

hep-ex2013★ 179 cited

Prompt charm production in pp collisions at sqrt(s)=7 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +619

Charm production at the LHC in pp collisions at sqrt(s)=7 TeV is studied with the LHCb detector. The decays D0 -> K- pi+, D+ -> K- pi+ pi+, D*+ -> D0(K- pi+) pi+, D_s+ -> phi(K- K+…

hep-ex2013★ 97 cited

Measurement of the Λ_b^0, Ξ_b^- and Ω_b^- baryon masses

LHCb collaboration, R. Aaij, C. Abellan Beteta +619

Bottom baryons decaying to a J/ψ meson and a hyperon are reconstructed using 1.0 fb^{-1} of data collected in 2011 with the LHCb detector. Significant Λ_b^0 \rightarrow J/ψΛ, Ξ_b^-…

hep-ex2013★ 166 cited

Measurement of the fragmentation fraction ratio $f_{s} / f_{d}$ and its dependence on $B$ meson kinematics

LHCb collaboration, R. Aaij, C. Abellan Beteta +624

The relative production rate of $B_{s}^{0}$ and $B^{0}$ mesons is determined with the hadronic decays $B_{s}^{0} \to D_{s}^{-} π^{+}$ and $B^{0} \to D^{-} K^{+}$ . The m…

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

Search for the doubly charmed baryon Xi_cc^+

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

Observation of Bs0​-Bˉs0​ mixing and measurement of mixing frequencies using semileptonic B decays

Branching fraction and CP asymmetry of the decays B+→KS0​π+ and B+→KS0​K+

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

Study of DJ​ meson decays to D+π−, D0π+ and D∗+π− final states in pp collision

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

Measurement of B meson production cross-sections in proton-proton collisions at sqrt(s)= 7 TeV

First observation of the decay Bs0​→ϕKˉ∗0

Search for the rare decay D0→μ+μ−

Differential branching fraction and angular analysis of the decay B0→K∗0μ+μ−

Observation of Bc+​→J/ψDs+​ and Bc+​→J/ψDs∗+​ decays

Measurements of the branching fractions of B+→ppˉ​K+ decays

Search for rare B(s)0​→μ+μ−μ+μ− decays

First observations of Bˉs0​→D+D−, Ds+​D− and D0Dˉ0 decays

Prompt charm production in pp collisions at sqrt(s)=7 TeV

Measurement of the Λ_b^0, Ξ_b^- and Ω_b^- baryon masses

Measurement of the fragmentation fraction ratio fs​/fd​ and its dependence on B meson kinematics

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

Observation of $B_{s}^{0}$ - $B ˉ_{s}^{0}$ mixing and measurement of mixing frequencies using semileptonic B decays

Branching fraction and CP asymmetry of the decays $B^{+} \to K_{S}^{0} π^{+}$ and $B^{+} \to K_{S}^{0} K^{+}$

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

Study of $D_{J}$ meson decays to $D^{+} π^{-}$ , $D^{0} π^{+}$ and $D^{*+} π^{-}$ final states in pp collision

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

First observation of the decay $B_{s}^{0} \to ϕ K ˉ^{* 0}$

Search for the rare decay $D^{0} \to μ^{+} μ^{-}$

Differential branching fraction and angular analysis of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

Observation of $B_{c}^{+} \to J / ψ D_{s}^{+}$ and $B_{c}^{+} \to J / ψ D_{s}^{*+}$ decays

Measurements of the branching fractions of $B^{+} \to p p ˉ K^{+}$ decays

Search for rare $B_{(s)}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ decays

First observations of $B ˉ_{s}^{0} \to D^{+} D^{-}$ , $D_{s}^{+} D^{-}$ and $D^{0} D ˉ^{0}$ decays

Measurement of the fragmentation fraction ratio $f_{s} / f_{d}$ and its dependence on $B$ meson kinematics