X. Li

activity

20092026

most citedDesign and Construction of the BESIII Detector

1.2k citations · 3.3k across the 39 of their papers we have counts for

collaborators

39 papers

astro-ph.HE2026

LHAASO-WCDA observed a $\sim$ 5 days TeV-delayed flaring event in blazar 1ES 1959+650

Zhen Cao, F. Aharonian, Y. X. Bai +339

We report a day-scale hard lag between GeV and TeV $γ$ -ray emission from the HBL 1ES~1959+650 in early 2024. Since the LHAASO-WCDA real-time monitoring system began operation in la…

astro-ph.HE2026

Extreme PeV accelerator associated with GRS 1915+105

Zhen Cao, F. Aharonian, Y. X. Bai +322

Microquasars, binary systems featuring relativistic jets, have emerged as sources for particle acceleration beyond PeV energies. We present a study of the broadband $γ$ -ray emissio…

astro-ph.HE2025

LHAASO Detection of Ultra-High-Energy Gamma-Ray Emission toward the Giant Molecular Clouds

Zhen Cao, F. Aharonian, Y. X. Bai +310

The $γ$ -ray from Giant molecular clouds (GMCs) is regarded as the most ideal tool to perform in-situ measurement of cosmic ray (CR) density and spectra in our Galaxy. We report the…

astro-ph.HE2025

Energy calibration of LHAASO-KM2A using the cosmic ray Moon shadow

Zhen Cao, F. Aharonian, Y. X. Bai +323

We present a precise measurement of the westward, rigidity-dependent shift of the Moon's shadow using three and a half years of cosmic-ray data collected by the Kilometer Square Ar…

astro-ph.HE2025

All-sky search for individual Primordial Black Hole bursts with LHAASO

Zhen Cao, F. Aharonian, Y. X. Bai +311

Primordial Black Holes~(PBHs) are hypothetical black holes with a wide range of masses that formed in the early universe. As a result, they may play an important cosmological role…

astro-ph.HE2024★ 8 cited

Evidence for particle acceleration approaching PeV energies in the W51 complex

The LHAASO Collaboration, Zhen Cao, F. Aharonian +284

The $γ$ -ray emission from the W51 complex is widely acknowledged to be attributed to the interaction between the cosmic rays (CRs) accelerated by the shock of supernova remnant (SN…

astro-ph.IM2024

Data quality control system and long-term performance monitor of the LHAASO-KM2A

Zhen Cao, F. Aharonian, Axikegu +282

The KM2A is the largest sub-array of the Large High Altitude Air Shower Observatory (LHAASO). It consists of 5216 electromagnetic particle detectors (EDs) and 1188 muon detectors (…

astro-ph.IM2024★ 13 cited

LHAASO-KM2A detector simulation using Geant4

Zhen Cao, F. Aharonian, Q. An +275

KM2A is one of the main sub-arrays of LHAASO, working on gamma ray astronomy and cosmic ray physics at energies above 10 TeV. Detector simulation is the important foundation for es…

astro-ph.HE2023★ 85 cited

An Ultrahigh-energy $γ$ -ray Bubble Powered by a Super PeVatron

The LHAASO Collaboration, Z. Cao, F. Aharonian +277

We report the detection of a $γ$ -ray bubble spanning at least 100 $de g^{2}$ in ultra high energy (UHE) up to a few PeV in the direction of the star-forming region Cygnus X, implyi…

astro-ph.CO2014★ 37 cited

Search for Low-Mass Dark Matter with CsI(Tl) Crystal Detectors

H. S. Lee, H. Bhang, J. H. Choi +27

We present a search for low-mass ( $\leq 20 G e V / c^{2}$ ) weakly interacting massive particles(WIMPs), strong candidates of dark matter particles,using the low-background CsI(Tl) dete…

hep-ex2013★ 56 cited

Precision measurements of $B (D^{+} \to μ^{+} ν_{μ})$ , the pseudoscalar decay constant $f_{D^{+}}$ , and the quark mixing matrix element $∣ V_{cd} ∣$

BESIII Collaboration, M. Ablikim, M. N. Achasov +375

We report a measurement of the branching fraction $B (D^{+} \to μ^{+} ν_{μ}) = [3.71 \pm 0.19 (stat) \pm 0.06 (sys)] \times 1 0^{- 4}$ based on 2.92 $f b^{- 1}$ of data a…

hep-ex2013★ 6 cited

Observation of the decay $ψ (3686)$ $\to$ $Λ Σ ˉ^{\pm} π^{\mp} + c . c .$

BESIII collaboration, M. Ablikim, M. N. Achasov +373

Using a sample of $1.06 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector, we present the first observation of the decays of $ψ (3686)$ $\to$ $Λ\barΣ^{+}π^{-}…

hep-ex2013★ 310 cited

Observation of a charged (DDbar)- mass peak in e+e- --> pi+ (DDbar)- at Ecm=4.26 GeV

M. Ablikim, M. N. Achasov, O. Albayrak +1

We report on a study of the process e+e- --> pi+(D D*bar)- at Ecm=4.26 GeV using a 525 /pb data sample collected with the BESIII detector at the BEPCII storage ring. A distinct cha…

hep-ex2013★ 213 cited

Observation of $e^{+} e^{-} \to γ X (3872)$ at BESIII

BESIII collaboration, M. Ablikim, M. N. Achasov +372

With data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies from 4.009 to 4.420 GeV, the process $e^{+} e^{-} \to γ X (3872)$ …

hep-ex2013★ 459 cited

Observation of a charged charmoniumlike structure Z_c(4020) and search for the Z_c(3900) in e+e- to pi+pi-h_c

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

We study e+e- --> pi+pi-h_c at center-of-mass energies from 3.90 GeV to 4.42 GeV using data samples collected with the BESIII detector operating at the Beijing Electron Positron Co…

hep-ex2013★ 297 cited

Observation of a charged charmoniumlike structure in $e^{+} e^{-} \to (D^{} D ˉ^{})^{\pm} π^{\mp}$ at $s = 4.26$ GeV

BESIII collaboration, M. Ablikim, M. N. Achasov +358

We study the process $e^{+} e^{-} \to (D^{*} D ˉ^{*})^{\pm} π^{\mp}$ at a center-of-mass energy of 4.26GeV using a 827pb $^{- 1}$ data sample obtained with the BESIII detector at the Be…

hep-ex2013★ 22 cited

Precision Measurements of $B [ψ (3686) \to π^{+} π^{-} J / ψ]$ and $B [J / ψ \to l^{+} l^{-}]$

BESIII Collaboration, M. Ablikim, M. N. Achasov +356

Based on $(106.41 \pm 0.86) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the branching fractions of $ψ (3686) \to π^{+} π^{-} J / ψ$ , $J/ψ\to e…

hep-ex2013★ 16 cited

Search for Baryonic Decays of ψ(3770) and ψ(4040)

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

By analyzing data samples of 2.9 fb^{-1} collected at \sqrt s=3.773 GeV, 482 pb^{-1} collected at \sqrt s=4.009 GeV and 67 pb^{-1} collected at \sqrt s=3.542, 3.554, 3.561, 3.600 a…

hep-ex2013★ 28 cited

Observation of a structure at 1.84 GeV/c $^{2}$ in the $3 (π^{+} π^{-})$ mass spectrum in $J / ψ \to γ 3 (π^{+} π^{-})$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +362

With a sample of 225.3 million $J / ψ$ events taken with the BESIII detector, the decay $J / ψ \to γ 3 (π^{+} π^{-})$ is analyzed. A structure at 1.84 GeV/c $^{2}$ is observed in the $3(π…

hep-ex2013★ 16 cited

Search for the Lepton Flavor Violation Process $J / ψ \to e μ$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

We search for the lepton-flavor-violating decay of the $J / ψ$ into an electron and a muon using $(225.3 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at the B…

hep-ex2013★ 27 cited

Measurement of $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ and $η^{'} \to π^{+} π^{-} μ^{+} μ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

Based on a sample of 225.3 million J/ψevents accumulated with the BESIII detector at the BEPCII, the decays of η' to pi+pi-l+l- are studied via J/ψto γη'. A clear η' signal is obse…

hep-ex2013★ 54 cited

Search for an H-dibaryon with mass near 2m_Lambda in Y(1S) and Y(2S) decays

B. H. Kim, S. L. Olsen, the Belle Collaboration

We report the results of a high-statistics search for H-dibaryon production in inclusive Y(1S) and Y(2S) decays. No indication of an H-dibaryon with mass near the M_H=2m_Lambda thr…

hep-ex2013★ 60 cited

Partial wave analysis of $J / ψ \to γ η η$

M. Ablikim, M. N. Achasov, O. Albayrak +358

Based on a sample of $2.25 \times 1 0^{8}$ $J / ψ$ events collected with the BESIII detector at BEPCII, a full partial wave analysis on $J / ψ \to γ η η$ was performed using the relativistic…

hep-ex2012★ 38 cited

Study of the near-threshold $ω ϕ$ mass enhancement in doubly OZI suppressed $J / ψ \to γ ω ϕ$ decays

M. Ablikim, M. N. Achasov, O. Albayrak +348

A 2.25 $\times 1 0^{8}$ $\jpsi$ event sample accumulated with the BESIII detector is used to study the doubly OZI suppressed decay modes $\jpsi\toγ\of$, $ω\to\ppp$, $ϕ\to\kk$. A strong…

LHAASO-WCDA observed a ∼ 5 days TeV-delayed flaring event in blazar 1ES 1959+650

Extreme PeV accelerator associated with GRS 1915+105

LHAASO Detection of Ultra-High-Energy Gamma-Ray Emission toward the Giant Molecular Clouds

Energy calibration of LHAASO-KM2A using the cosmic ray Moon shadow

All-sky search for individual Primordial Black Hole bursts with LHAASO

Evidence for particle acceleration approaching PeV energies in the W51 complex

Data quality control system and long-term performance monitor of the LHAASO-KM2A

LHAASO-KM2A detector simulation using Geant4

An Ultrahigh-energy γ-ray Bubble Powered by a Super PeVatron

Search for Low-Mass Dark Matter with CsI(Tl) Crystal Detectors

Precision measurements of B(D+→μ+νμ​), the pseudoscalar decay constant fD+​, and the quark mixing matrix element ∣Vcd​∣

Observation of the decay ψ(3686) → ΛΣˉ±π∓+c.c.

Observation of a charged (DD*bar)- mass peak in e+e- --> pi+ (DD*bar)- at Ecm=4.26 GeV

Observation of e+e−→γX(3872) at BESIII

Observation of a charged charmoniumlike structure Z_c(4020) and search for the Z_c(3900) in e+e- to pi+pi-h_c

Observation of a charged charmoniumlike structure in e+e−→(D∗Dˉ∗)±π∓ at s​=4.26GeV

Precision Measurements of B[ψ(3686)→π+π−J/ψ] and B[J/ψ→l+l−]

Search for Baryonic Decays of ψ(3770) and ψ(4040)

Observation of a structure at 1.84 GeV/c2 in the 3(π+π−) mass spectrum in J/ψ→γ3(π+π−) decays

Search for the Lepton Flavor Violation Process J/ψ→eμ at BESIII

Measurement of η′→π+π−e+e− and η′→π+π−μ+μ−

Search for an H-dibaryon with mass near 2m_Lambda in Y(1S) and Y(2S) decays

Partial wave analysis of J/ψ→γηη

Study of the near-threshold ωϕ mass enhancement in doubly OZI suppressed J/ψ→γωϕ decays

LHAASO-WCDA observed a $\sim$ 5 days TeV-delayed flaring event in blazar 1ES 1959+650

An Ultrahigh-energy $γ$ -ray Bubble Powered by a Super PeVatron

Precision measurements of $B (D^{+} \to μ^{+} ν_{μ})$ , the pseudoscalar decay constant $f_{D^{+}}$ , and the quark mixing matrix element $∣ V_{cd} ∣$

Observation of the decay $ψ (3686)$ $\to$ $Λ Σ ˉ^{\pm} π^{\mp} + c . c .$

Observation of a charged (DDbar)- mass peak in e+e- --> pi+ (DDbar)- at Ecm=4.26 GeV

Observation of $e^{+} e^{-} \to γ X (3872)$ at BESIII

Observation of a charged charmoniumlike structure in $e^{+} e^{-} \to (D^{} D ˉ^{})^{\pm} π^{\mp}$ at $s = 4.26$ GeV

Precision Measurements of $B [ψ (3686) \to π^{+} π^{-} J / ψ]$ and $B [J / ψ \to l^{+} l^{-}]$

Observation of a structure at 1.84 GeV/c $^{2}$ in the $3 (π^{+} π^{-})$ mass spectrum in $J / ψ \to γ 3 (π^{+} π^{-})$ decays

Search for the Lepton Flavor Violation Process $J / ψ \to e μ$ at BESIII

Measurement of $η^{'} \to π^{+} π^{-} e^{+} e^{-}$ and $η^{'} \to π^{+} π^{-} μ^{+} μ^{-}$

Partial wave analysis of $J / ψ \to γ η η$

Study of the near-threshold $ω ϕ$ mass enhancement in doubly OZI suppressed $J / ψ \to γ ω ϕ$ decays