Lei Zhang

activity

20062026

most citedEvidence for X(3872) --> psi(2S) gamma in B+/- --> X(3872) K+/- decays, and a study of B --> ccbar gamma K

197 citations · 1.3k across the 59 of their papers we have counts for

collaborators

59 papers

hep-ph2026

Polarization transfer in $ψ^{'} \to ψ π π$ : a complete spin density matrix analysis framework

Jiabao Gong, Guanyu Wang, Dongyu Yuan +7

A theoretical framework based on the Spin Density Matrix (SDM) formalism is developed to describe polarization transfer in the decay chain $e^+e^- \rightarrow ψ^\prime \rightarrow…

physics.ins-det2024

Beam test of a baseline vertex detector prototype for CEPC

Shuqi Li, Tianya Wu, Xinhui Huang +27

The Circular Electron Positron Collider (CEPC) has been proposed to enable more thorough and precise measurements of the properties of Higgs, W, and Z bosons, as well as to search…

hep-ex2021★ 10 cited

Search for the hyperon semileptonic decay $Ξ^{-} \to Ξ^{0} e^{-} ν_{e} ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +507

Using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / ψ$ events collected by the BESIII detector at the BEPCII collider, we search for the hyperon semileptonic decay $Ξ^{-} \rightarrow Ξ^{0} e^{…

hep-ex2021★ 34 cited

Cross Section Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ from $s = 4.0076$ ~GeV to 4.6984~GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +501

Using data samples with a total integrated luminosity of $20.1 f b^{- 1}$ collected by the BESIII detector operating at the BEPCII collider, the cross section of the process $e^+…

hep-ex2021★ 10 cited

Measurement of $e^{+} e^{-} \to γ χ_{c 0, c 1, c 2}$ cross sections at center-of-mass energies between 3.77 and 4.60 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +501

The $e^{+} e^{-} \to γ χ_{c J}$ ( $J = 0, 1, 2$ ) processes are studied at center-of-mass energies ranging from 3.773 to 4.600 GeV, using a total integrated luminosity of 19.3 fb $^{- 1}$ $e^{+} e^{-}$ …

hep-ex2021★ 1 cited

Measurement of the inclusive branching fraction for $ψ (3686) \to K_{S}^{0} + anything$

M. Ablikim, M. N. Achasov, P. Adlarson +483

Using 5.9~pb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at center-of-mass energies from 3.640 to 3.701 GeV with the BESIII detector at the BEPCII Collider, we measure the obser…

hep-ex2021★ 8 cited

Measurements of Born Cross Sections of $e^{+} e^{-} \to D_{s}^{*+} D_{s J}^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +500

The Born cross sections are measured for the first time for the processes $e^{+} e^{-} \to D_{s}^{*+} D_{s 0}^{*} (2317)^{-} + c . c .$ and $e^{+} e^{-} \to D_{s}^{*+} D_{s 1} (2460)^{-} + c . c .$ at the center-of-m…

hep-ex2021★ 20 cited

Measurement of the Absolute Branching Fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to e^{+} ν_{e} ν ˉ_{τ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

Using a dataset of 6.32 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected with the BESIII detector at center-of-mass energies between 4178 and 4226 MeV, we have measured the absol…

hep-ex2021

Measurement of the doubly Cabibbo-suppressed decay $D^{+} \to K^{+} π^{+} π^{-} π^{0}$ with semileptonic tags

BESIII Collaboration, M. Ablikim, M. N. Achasov +500

Using an $e^{+} e^{-}$ annihilation data sample corresponding to an integrated luminosity of $2.93 f b^{- 1}$ collected at a center-of-mass energy of 3.773 GeV with the BESIII detect…

hep-ex2021★ 41 cited

Measurement of cross section for $e^{+} e^{-} \to Ξ^{0} Ξ ˉ^{0}$ near threshold

BESIII Collaboration, M. Ablikim, M. N. Achasov +509

Using $e^{+} e^{-}$ collision data at ten center-of-mass energies between 2.644 and 3.080 GeV collected with the BESIII detector at BEPCII and corresponding to an integrated luminosity…

hep-ex2021★ 14 cited

Measurement of the branching fraction of leptonic decay $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to π^{+} π^{0} ν ˉ_{τ}$

M. Ablikim, M. N. Achasov, P. Adlarson +503

By analyzing $6.32 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the center-of-mass energies between 4.178 and 4.226\,GeV with the BESIII detector, we determine the…

hep-ex2021★ 19 cited

Measurement of the absolute branching fraction of inclusive semielectronic $D_{s}^{+}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +503

We measure the inclusive semielectronic decay branching fraction of the $D_{s}^{+}$ meson. A double-tag technique is applied to $e^{+} e^{-}$ annihilation data collected by the BESIII exper…

hep-ex2021★ 7 cited

Study of the decay $D^{+} \to K^{*} (892)^{+} K_{S}^{0}$ in $D^{+} \to K^{+} K_{S}^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +503

Based on an $e^{+} e^{-}$ collision data sample corresponding to an integrated luminosity of 2.93 $fb^{- 1}$ collected with the BESIII detector at $\sqrt{s}=3.773 \mathrm{Ge…

hep-ex2021★ 24 cited

Observation of a near-threshold enhancement in the $Λ Λ ˉ$ mass spectrum from $e^{+} e^{-} \to ϕ Λ Λ ˉ$ at $s$ from 3.51 to 4.60 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +503

The process $e^{+} e^{-} \to ϕ Λ Λ ˉ$ is studied using data samples collected with the BESIII detector at the BEPCII collider at center-of-mass energies $s$ ranging from $3.51$ …

hep-ex2021★ 9 cited

Determination of the absolute branching fractions of $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{+} \to K ˉ^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +502

Using 2.93 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at a center-of-mass energy of 3.773 GeV, we measure the absolute branching fractions of the decay…

hep-ex2021★ 24 cited

Study of the process $e^{+} e^{-} \to ϕ η$ at center-of-mass energies between 2.00 and 3.08 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +506

The process $e^{+} e^{-} \to ϕ η$ is studied at 22 center-of-mass energy points ( $s$ ) between 2.00 and 3.08 GeV using 715 pb $^{- 1}$ of data collected with the BESIII d…

hep-ex2021★ 12 cited

Search for the decay $D_{s}^{+} \to a_{0} (980)^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +506

Using 6.32 fb $^{- 1}$ of electron-positron collision data recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226~GeV, we present the first search for the…

hep-ex2021★ 1 cited

Observation of $e^{+} e^{-} \to η ψ (2 S)$ at center-of-mass energies from 4.236 to 4.600 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

Using a total of $5.25 fb^{- 1}$ of $e^{+} e^{-}$ collision data with center-of-mass energies from 4.236 to 4.600 GeV, we report the first observation of the process $e^{+}e^{-…

hep-ex2021★ 56 cited

Measurement of proton electromagnetic form factors in the time-like region using initial state radiation at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +505

The electromagnetic process $e^{+} e^{-} \to p p ˉ$ is studied with the initial-state-radiation technique using 7.5 fb $^{- 1}$ of data collected by the BESIII experiment at seven e…

hep-ex2021

Cross section measurement of $e^{+} e^{-} \to p p ˉ η$ and $e^{+} e^{-} \to p p ˉ ω$ at center-of-mass energies between 3.773 GeV and 4.6 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +482

Based on $14.7 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected with the BESIII detector at the BEPCII collider at 17 different center-of-mass energies between $3.7730~\te…

hep-ex2021★ 20 cited

Measurement of the absolute branching fractions for purely leptonic $D_{s}^{+}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +506

We report new measurements of the branching fraction $B (D_{s}^{+} \to ℓ^{+} ν)$ , where $ℓ^{+}$ is either $μ^{+}$ or $τ^{+} (\to π^{+} ν ˉ_{τ})$ , based on $6.32$ fb $^{- 1}$ of electron-posit…

hep-ex2021★ 12 cited

Search for new decay modes of the $ψ_{2} (3823)$ and the process $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

M. Ablikim, M. N. Achasov, P. Adlarson +502

The decays $ψ_{2} (3823) \to γ χ_{c 0, 1, 2}, π^{+} π^{-} J / ψ, π^{0} π^{0} J / ψ, η J / ψ$ , and $π^{0} J / ψ$ are searched for using the reaction $e^{+} e^{-} \to π^{+} π^{-} ψ_{2} (3823)$ in a 19 fb $^{- 1}$ data…

hep-ex2021★ 6 cited

Search for the $X (2370)$ and observation of $η_{c} \to η η η^{'}$ in $J / ψ \to γ η η η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +491

Using a sample of $1.31 \times 1 0^{9} J / ψ$ events collected with the BESIII detector, we perform a study of $J / ψ \to γ η η η^{'}$ to search for the $X (2370)$ and $η_{c}$ in the $ηηη…

hep-ex2020★ 40 cited

Measurements of the center-of-mass energies of $e^{+} e^{-}$ collisions at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +504

During the 2016-17 and 2018-19 running periods, the BESIII experiment collected 7.5~fb $^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies ranging from 4.13 to 4.44 GeV. T…

Polarization transfer in ψ′→ψππ: a complete spin density matrix analysis framework

Beam test of a baseline vertex detector prototype for CEPC

Search for the hyperon semileptonic decay Ξ−→Ξ0e−νe​ˉ​

Cross Section Measurement of e+e−→π+π−ψ(3686) from s​=4.0076~GeV to 4.6984~GeV

Measurement of e+e−→γχc0,c1,c2​ cross sections at center-of-mass energies between 3.77 and 4.60 GeV

Measurement of the inclusive branching fraction for ψ(3686)→KS0​+anything

Measurements of Born Cross Sections of e+e−→Ds∗+​DsJ−​+c.c.

Measurement of the Absolute Branching Fraction of Ds+​→τ+ντ​ via τ+→e+νe​νˉτ​

Measurement of the doubly Cabibbo-suppressed decay D+→K+π+π−π0 with semileptonic tags

Measurement of cross section for e+e−→Ξ0Ξˉ0 near threshold

Measurement of the branching fraction of leptonic decay Ds+​→τ+ντ​ via τ+→π+π0νˉτ​

Measurement of the absolute branching fraction of inclusive semielectronic Ds+​ decays

Study of the decay D+→K∗(892)+KS0​ in D+→K+KS0​π0

Observation of a near-threshold enhancement in the ΛΛˉ mass spectrum from e+e−→ϕΛΛˉ at s​ from 3.51 to 4.60 GeV

Determination of the absolute branching fractions of D0→K−e+νe​ and D+→Kˉ0e+νe​

Study of the process e+e−→ϕη at center-of-mass energies between 2.00 and 3.08 GeV

Search for the decay Ds+​→a0​(980)0e+νe​

Observation of e+e−→ηψ(2S) at center-of-mass energies from 4.236 to 4.600 GeV

Measurement of proton electromagnetic form factors in the time-like region using initial state radiation at BESIII

Cross section measurement of e+e−→ppˉ​η and e+e−→ppˉ​ω at center-of-mass energies between 3.773 GeV and 4.6 GeV

Measurement of the absolute branching fractions for purely leptonic Ds+​ decays

Search for new decay modes of the ψ2​(3823) and the process e+e−→π0π0ψ2​(3823)

Search for the X(2370) and observation of ηc​→ηηη′ in J/ψ→γηηη′

Measurements of the center-of-mass energies of e+e− collisions at BESIII

Polarization transfer in $ψ^{'} \to ψ π π$ : a complete spin density matrix analysis framework

Search for the hyperon semileptonic decay $Ξ^{-} \to Ξ^{0} e^{-} ν_{e} ˉ$

Cross Section Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ from $s = 4.0076$ ~GeV to 4.6984~GeV

Measurement of $e^{+} e^{-} \to γ χ_{c 0, c 1, c 2}$ cross sections at center-of-mass energies between 3.77 and 4.60 GeV

Measurement of the inclusive branching fraction for $ψ (3686) \to K_{S}^{0} + anything$

Measurements of Born Cross Sections of $e^{+} e^{-} \to D_{s}^{*+} D_{s J}^{-} + c . c .$

Measurement of the Absolute Branching Fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to e^{+} ν_{e} ν ˉ_{τ}$

Measurement of the doubly Cabibbo-suppressed decay $D^{+} \to K^{+} π^{+} π^{-} π^{0}$ with semileptonic tags

Measurement of cross section for $e^{+} e^{-} \to Ξ^{0} Ξ ˉ^{0}$ near threshold

Measurement of the branching fraction of leptonic decay $D_{s}^{+} \to τ^{+} ν_{τ}$ via $τ^{+} \to π^{+} π^{0} ν ˉ_{τ}$

Measurement of the absolute branching fraction of inclusive semielectronic $D_{s}^{+}$ decays

Study of the decay $D^{+} \to K^{*} (892)^{+} K_{S}^{0}$ in $D^{+} \to K^{+} K_{S}^{0} π^{0}$

Observation of a near-threshold enhancement in the $Λ Λ ˉ$ mass spectrum from $e^{+} e^{-} \to ϕ Λ Λ ˉ$ at $s$ from 3.51 to 4.60 GeV

Determination of the absolute branching fractions of $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{+} \to K ˉ^{0} e^{+} ν_{e}$

Study of the process $e^{+} e^{-} \to ϕ η$ at center-of-mass energies between 2.00 and 3.08 GeV

Search for the decay $D_{s}^{+} \to a_{0} (980)^{0} e^{+} ν_{e}$

Observation of $e^{+} e^{-} \to η ψ (2 S)$ at center-of-mass energies from 4.236 to 4.600 GeV

Cross section measurement of $e^{+} e^{-} \to p p ˉ η$ and $e^{+} e^{-} \to p p ˉ ω$ at center-of-mass energies between 3.773 GeV and 4.6 GeV

Measurement of the absolute branching fractions for purely leptonic $D_{s}^{+}$ decays

Search for new decay modes of the $ψ_{2} (3823)$ and the process $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

Search for the $X (2370)$ and observation of $η_{c} \to η η η^{'}$ in $J / ψ \to γ η η η^{'}$

Measurements of the center-of-mass energies of $e^{+} e^{-}$ collisions at BESIII