Shanzhen Chen

activity

20122026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 6.2k across the 84 of their papers we have counts for

collaborators

84 papers

physics.ins-det2026

Beam Test Characterization of Silicon Microstrip Detector Flight-Model Ladders for the AMS-02 Upgrade

Dexing Miao, Giovanni Ambrosi, Mattia Barbanera +56

The AMS-02 experiment plans to install a new silicon microstrip tracker layer (Layer-0) on top of the existing detector, increasing the cosmic-ray acceptance by a factor of 3. Laye…

physics.ins-det2026

A Telescope System for Charge and Position Measurement of High Energy Nuclei

Dexing Miao, Zhiyu Xiang, Giovanni Ambrosi +43

A high-granularity telescope system with a large sensitive area and low material budget has been developed for high-energy heavy ion beam tests. The telescope consists of nine laye…

hep-ex2024★ 13 cited

Flavor Physics at the CEPC: a General Perspective

Xiaocong Ai, Wolfgang Altmannshofer, Peter Athron +147

We discuss the landscape of flavor physics at the Circular Electron-Positron Collider (CEPC), based on the nominal luminosity outlined in its Technical Design Report. The CEPC is d…

physics.ins-det2022★ 14 cited

Requirement analysis for dE/dx measurement and PID performance at the CEPC baseline detector

Yongfeng Zhu, Shanzhen Chen, Hanhua Cui +1

The Circular Electron-Positron Collider (CEPC) can be operated not only as a Higgs factory but also as a Z-boson factory, offering great opportunities for flavor physics studies wh…

hep-ph2022

Prospects for $B_{(s)}^{0} \to π^{0} π^{0}$ and $B_{(s)}^{0} \to η η$ modes and corresponding $C P$ asymmetries at Tera- $Z$

Yuexin Wang, Sébastien Descotes-Genon, Olivier Deschamps +4

The physics potential of measuring $B_{(s)}^{0} \to π^{0} π^{0}$ and $B_{(s)}^{0} \to η η$ decays via four-photon final states at Tera- $Z$ phase of CEPC or FCC-ee is investigated in this paper.…

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-ex2020★ 28 cited

First branching fraction measurement of the suppressed decay $Ξ_{c}^{0} \to π^{-} Λ_{c}^{+}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +963

The $Ξ_{c}^{0}$ baryon is unstable and usually decays into charmless final states by the $c \to s u d$ transition. It can, however, also disintegrate into a $π^{-}$ meson and a…

hep-ex2020★ 53 cited

Study of the $ψ_{2} (3823)$ and $χ_{c 1} (3872)$ states in $B^{+} \to (J ψ π^{+} π^{-}) K^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +956

The decays $B^{+} \to J / ψ π^{+} π^{-} K^{+}$ are studied using a data set corresponding to an integrated luminosity of 9fb $^{- 1}$ collected with the LHCb detector in proton-proton co…

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…

quant-ph2019★ 25 cited

Phononic entanglement concentration via optomechanical interactions

Shan-Shan Chen, Hao Zhang, Qing Ai +1

Low dissipation, tunable coupling to other quantum systems, and unique features of phonons in the aspects of propagation, detection and others suggest the applications of quantized…

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,…

quant-ph2018★ 9 cited

Universal single-qubit non-adiabatic holonomic quantum gates in optomechanical system

Shan-Shan Chen, Hao Zhang, Xue-Ke Song +5

The non-adiabatic holonomic quantum computation with the advantages of fast and robustness attracts widespread attention in recent years. Here, we propose the first scheme for real…

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★ 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★ 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★ 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★ 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-…

hep-ex2017★ 48 cited

Measurement of the shape of the $Λ_{b}^{0} \to Λ_{c}^{+} μ^{-} ν$ differential decay rate

LHCb collaboration, R. Aaij, B. Adeva +801

A measurement of the shape of the differential decay rate and the associated Isgur-Wise function for the decay $Λ_{b}^{0} \to Λ_{c}^{+} μ^{-} ν$ is reported, using data corresponding to…

hep-ex2017★ 102 cited

Study of prompt D $^{0}$ meson production in pPb collisions at $s$ =5 TeV

LHCb collaboration, R. Aaij, B. Adeva +807

Production of prompt D $^{0}$ mesons is studied in proton-lead and lead-proton collisions recorded at the LHCb detector at the LHC. The data sample corresponds to an integrated lumino…

Beam Test Characterization of Silicon Microstrip Detector Flight-Model Ladders for the AMS-02 Upgrade

A Telescope System for Charge and Position Measurement of High Energy Nuclei

Flavor Physics at the CEPC: a General Perspective

Requirement analysis for dE/dx measurement and PID performance at the CEPC baseline detector

Prospects for B(s)0​→π0π0 and B(s)0​→ηη modes and corresponding CP asymmetries at Tera-Z

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

First branching fraction measurement of the suppressed decay Ξc0​→π−Λc+​

Study of the ψ2​(3823) and χc1​(3872) states in B+→(Jψπ+π−)K+ decays

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

Phononic entanglement concentration via optomechanical interactions

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

Universal single-qubit non-adiabatic holonomic quantum gates in optomechanical system

A search for weakly decaying b-flavored pentaquarks

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

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

Measurement of the shape of the Λb0​→Λc+​μ−ν differential decay rate

Study of prompt D0 meson production in pPb collisions at s​=5 TeV

Prospects for $B_{(s)}^{0} \to π^{0} π^{0}$ and $B_{(s)}^{0} \to η η$ modes and corresponding $C P$ asymmetries at Tera- $Z$

First branching fraction measurement of the suppressed decay $Ξ_{c}^{0} \to π^{-} Λ_{c}^{+}$

Study of the $ψ_{2} (3823)$ and $χ_{c 1} (3872)$ states in $B^{+} \to (J ψ π^{+} π^{-}) K^{+}$ decays

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

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

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

Measurement of the shape of the $Λ_{b}^{0} \to Λ_{c}^{+} μ^{-} ν$ differential decay rate

Study of prompt D $^{0}$ meson production in pPb collisions at $s$ =5 TeV