Yanxi Zhang

activity

20142023

most citedTest of lepton universality using

B^{+} \to K^{+} ℓ^{+} ℓ^{-}

decays

952 citations · 2.5k across the 31 of their papers we have counts for

collaborators

31 papers

hep-ex2023★ 4 cited

CP Violation In Baryon Decays At LHCb

Xinchen Dai, Miroslav Saur, Yiduo Shang +2

Observation in astronomy suggests that our Universe contains an abundance of matter over antimatter, which can only be explained if the combined CP symmetry is violated. Studies of…

hep-ph2023

A scheme to fix multiple solutions in amplitude analyses

Yuanning Gao, Tianze Rong, Zhenwei Yang +2

Decays of unstable heavy particles usually involve the coherent sum of several amplitudes, like in a multiple slit experiment. Dedicated amplitude analysis techniques have been wid…

hep-ex2021★ 31 cited

Heavy Flavour Physics and CP Violation at LHCb: a Ten-Year Review

Shanzhen Chen, Yiming Li, Wenbin Qian +5

Heavy flavour physics provides excellent opportunities to indirectly search for new physics at very high energy scales and to study hadron properties for deep understanding of the…

hep-ph2020★ 18 cited

Prospects for quarkonium studies at the high-luminosity LHC

Emilien Chapon, David d'Enterria, Bertrand Ducloue +48

Prospects for quarkonium-production studies accessible during the upcoming high-luminosity phases of the CERN Large Hadron Collider operation after 2021 are reviewed. Current exper…

hep-ex2019★ 32 cited

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

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

A search for $C P$ violation in the $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decay is performed using LHCb data corresponding to an integrated luminosity of 6.6 $f b^{- 1}$ collected in $pp$ coll…

hep-ex2019★ 1 cited

Production of open charm and beauty states in pPb collisions with LHCb

Yanxi Zhang

These proceedings summarize the LHCb measurements of charm- and beauty-hadron production in pPb collisions. The studies are made down to very low-\pt of the observed heavy-flavor h…

hep-ex2018★ 76 cited

Observation of two resonances in the $Λ_{b}^{0} π^{\pm}$ systems and precise measurement of $Σ_{b}^{\pm}$ and $Σ_{b}^{*\pm}$ properties

LHCb collaboration, R. Aaij, C. Abellán Beteta +837

The first observation of two structures consistent with resonances in the final states $Λ_{b}^{0} π^{-}$ and $Λ_{b}^{0} π^{+}$ is reported using samples of $pp$ collision data collected by the…

hep-ex2018★ 40 cited

Study of $Υ$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +840

The production of $Υ (n S)$ mesons ( $n = 1, 2, 3$ ) in $p$ Pb and Pb $p$ collisions at a centre-of-mass energy per nucleon pair $s_{N N} = 8.16$ TeV is measured by the LHCb experiment,…

hep-ex2018★ 181 cited

Selection and processing of calibration samples to measure the particle identification performance of the LHCb experiment in Run 2

Roel Aaij, Lucio Anderlini, Sean Benson +20

Since 2015, with the restart of the LHC for its second run of data taking, the LHCb experiment has been empowered with a dedicated computing model to select and analyse calibration…

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★ 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★ 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★ 1 cited

Measurement of heavy flavor production in $pp$ collisions at LHCb

Yanxi Zhang

Heavy flavor productions are important tests of QCD. In proton-proton collisions collected at LHCb, a long list of measurements for charm and bottom productions have been made. Thi…

hep-ex2017★ 29 cited

Improved limit on the branching fraction of the rare decay $K_{S}^{0} \to μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +767

A search for the decay $K_{S}^{0} \to μ^{+} μ^{-}$ is performed, based on a data sample of proton-proton collisions corresponding to an integrated luminosity of 3 fb$^{-1…

hep-ex2017★ 53 cited

Search for nucleon decay into charged antilepton plus meson in 0.316 megaton $\cdot$ years exposure of the Super-Kamiokande water Cherenkov detector

Kamiokande Collaboration

We have searched for proton decays into a charged antilepton ( $e^{+}$ , $μ^{+}$ ) plus a meson ( $η$ , $ρ^{0}$ , $ω$ ) and neutron decays into a charged antilepton ( $e^{+}$ , $μ^{+}$ ) plus a meson…

hep-ex2017★ 14 cited

Observation of charmless baryonic decays $B_{(s)}^{0} \to p p h^{+} h^{' -}$

LHCb collaboration, R. Aaij, B. Adeva +770

Decays of $B^{0}$ and $B_{s}^{0}$ mesons to the charmless baryonic final states $p p h^{+} h^{' -}$ , where $h$ and $h^{'}$ each denote a kaon or a pion, are searched fo…

hep-ex2017★ 94 cited

Search for the decays $B_{s}^{0} \to τ^{+} τ^{-}$ and $B^{0} \to τ^{+} τ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +775

A search for the rare decays $B_{s}^{0} \to τ^{+} τ^{-}$ and $B^{0} \to τ^{+} τ^{-}$ is performed using proton--proton collision data collected with the LHCb detector. The data sample corresponds to a…

hep-ex2017★ 29 cited

Observation of $B_{c}^{+} \to D^{0} K^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +763

Using proton-proton collision data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ , recorded by the LHCb detector at centre-of-mass energies of 7 and 8 TeV, the $B_{c}^{…

hep-ex2016★ 15 cited

Search for $C P$ violation in the phase space of $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +769

A search for time-integrated $C P$ violation in the Cabibbo-suppressed decay $\mbox{$D^0\rightarrowπ^+π^-π^+π^-$}$ is performed using an unbinned, model-independent technique known…

hep-ex2016

Results on heavy ion collisions at LHCb

Yanxi Zhang

Heavy flavor production is important in heavy ion collisions to study both cold and hot nuclear matter effects. The LHCb experiment can make unique contribution to heavy ion physic…

hep-ex2016★ 11 cited

Observation of the $B_{s}^{0} \to J / ψ ϕϕ$ decay

LHCb collaboration, R. Aaij, B. Adeva +721

The $B_{s}^{0} \to J / ψ ϕϕ$ decay is observed in $pp$ collision data corresponding to an integrated luminosity of 3 fb $^{- 1}$ recorded by the LHCb detector at centre-of-mass ener…

hep-ex2015★ 27 cited

Measurement of $C P$ violation parameters and polarisation fractions in $B_{s}^{0} \to J / ψ K^{* 0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +721

The first measurement of $C P$ asymmetries in the decay $B_{s}^{0} \to J / ψ K^{*} (892)^{0}$ and an updated measurement of its branching fraction and polarisation fractions…

hep-ex2015★ 25 cited

Measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

LHCb collaboration, R. Aaij, B. Adeva +721

Using $pp$ collision data collected by LHCb at center-of-mass energies $s$ = 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3 fb $^{- 1}$ , the ratio of the bran…

hep-ex2015★ 313 cited

Angular analysis and differential branching fraction of the decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +722

An angular analysis and a measurement of the differential branching fraction of the decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$ are presented, using data corresponding to an integrated luminosity of $…

CP Violation In Baryon Decays At LHCb

A scheme to fix multiple solutions in amplitude analyses

Heavy Flavour Physics and CP Violation at LHCb: a Ten-Year Review

Prospects for quarkonium studies at the high-luminosity LHC

Search for CP violation and observation of P violation in Λb0​→pπ−π+π− decays

Production of open charm and beauty states in pPb collisions with LHCb

Observation of two resonances in the Λb0​π± systems and precise measurement of Σb±​ and Σb∗±​ properties

Study of Υ production in pPb collisions at sNN​​=8.16 TeV

Selection and processing of calibration samples to measure the particle identification performance of the LHCb experiment in Run 2

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

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

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

Measurement of heavy flavor production in pp collisions at LHCb

Improved limit on the branching fraction of the rare decay KS0​→μ+μ−

Search for nucleon decay into charged antilepton plus meson in 0.316 megaton⋅years exposure of the Super-Kamiokande water Cherenkov detector

Observation of charmless baryonic decays B(s)0​→pp​h+h′−

Search for the decays Bs0​→τ+τ− and B0→τ+τ−

Observation of Bc+​→D0K+ decays

Search for CP violation in the phase space of D0→π+π−π+π− decays

Results on heavy ion collisions at LHCb

Observation of the Bs0​→J/ψϕϕ decay

Measurement of CP violation parameters and polarisation fractions in Bs0​→J/ψK∗0 decays

Measurement of the branching fraction ratio B(Bc+​→ψ(2S)π+)/B(Bc+​→J/ψπ+)

Angular analysis and differential branching fraction of the decay Bs0​→ϕμ+μ−

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

Observation of two resonances in the $Λ_{b}^{0} π^{\pm}$ systems and precise measurement of $Σ_{b}^{\pm}$ and $Σ_{b}^{*\pm}$ properties

Study of $Υ$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

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

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

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

Measurement of heavy flavor production in $pp$ collisions at LHCb

Improved limit on the branching fraction of the rare decay $K_{S}^{0} \to μ^{+} μ^{-}$

Search for nucleon decay into charged antilepton plus meson in 0.316 megaton $\cdot$ years exposure of the Super-Kamiokande water Cherenkov detector

Observation of charmless baryonic decays $B_{(s)}^{0} \to p p h^{+} h^{' -}$

Search for the decays $B_{s}^{0} \to τ^{+} τ^{-}$ and $B^{0} \to τ^{+} τ^{-}$

Observation of $B_{c}^{+} \to D^{0} K^{+}$ decays

Search for $C P$ violation in the phase space of $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ decays

Observation of the $B_{s}^{0} \to J / ψ ϕϕ$ decay

Measurement of $C P$ violation parameters and polarisation fractions in $B_{s}^{0} \to J / ψ K^{* 0}$ decays

Measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

Angular analysis and differential branching fraction of the decay $B_{s}^{0} \to ϕ μ^{+} μ^{-}$