H. Li

activity

20202026

most citedThe First LHAASO Catalog of Gamma-Ray Sources

247 citations · 950 across the 53 of their papers we have counts for

collaborators

Showing 2025Show all

36 papers · 1 filter

astro-ph.HE2025

Energy-Dependent Shifts of Medium-Scale Anisotropies in Very-High-Energy Cosmic Rays Observed by LHAASO-KM2A

The LHAASO collabration, Zhen Cao, F. Aharonian +310

Small deviations from isotropy in the arrival directions of Galactic cosmic rays serve as a unique probe of the local magnetic environment. In this Letter, we report observations o…

hep-ex2025

Production and Decay Dynamics of the Charmed Baryon $Λ_{c}^{+}$ in $e^{+} e^{-}$ Annihilations near Threshold

BESIII Collaboration, M. Ablikim, M. N. Achasov +700

The study of the charmed baryons is crucial for investigating the strong and weak interactions in the standard model and for gaining insights into the internal structure of baryons…

hep-ex2025★ 2 cited

Measurement of the Born cross section for $e^{+} e^{-} \to p K^{-} K^{-} Ξ ˉ^{+}$ at $s =$ 3.5-4.9 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +695

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 20 $fb^{- 1}$ collected with the BESIII detector at the BEPCII collider, we present a measurem…

hep-ex2025

Search for the lepton number violating process $J / ψ \to K^{+} K^{+} e^{-} e^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we search for the lepton number violating decay $J / ψ \to K^{+} K^{+} e^{-} e^{-} + c . c .$ for the first tim…

hep-ex2025

Precise Measurement of Chromoelectric Dipole Moment of the Charm Quark

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

The combined symmetry of charge conjugation and parity ( $C P$ ) is tested in the hadronic transition $ψ (3686) \to π^{+} π^{-} J / ψ$ , using a dataset of $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ(3686…

hep-ex2025

Search for the charged lepton flavor violating decay $ψ (3686) \to e^{\pm} μ^{\mp}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +695

By analyzing $(2367.0 \pm 11.1) \times 1 0^{6}$ $ψ (3686)$ events collected in $e^{+} e^{-}$ collisions at $s = 3.686 GeV$ with the BESIII detector at the BEPCII collider, we report th…

hep-ex2025

Measurement of the $η$ transition form factor through $η^{'} \to π^{+} π^{-} η$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Based on a sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected at BESIII, the transition form factor of the $η$ meson is extracted by analyzing $J/ψ\toγη',~η'\toπ^+π^…

hep-ex2025★ 1 cited

A novel measurement of the strong-phase difference between $D^{0} \to K^{-} π^{+}$ and $D ˉ^{0} \to K^{-} π^{+}$ decays using $C$ -even and $C$ -odd quantum-correlated $D D ˉ$ pairs

BESIII Collaboration, M. Ablikim, M. N. Achasov +698

A novel measurement technique of strong-phase differences between the decay amplitudes of $D^{0}$ and $D ˉ^{0}$ mesons is introduced which exploits quantum-correlated $D D ˉ$ pa…

hep-ex2025★ 1 cited

First observation of quantum correlations in $e^{+} e^{-} \to X D D ˉ$ and $C$ -even constrained $D D ˉ$ pairs

BESIII Collaboration, M. Ablikim, M. N. Achasov +698

The study of meson pairs produced with quantum correlations gives direct access to parameters that are challenging to measure in other systems. In this Letter, the existence of qua…

hep-ex2025

Measurement of the $Λ$ Electric Dipole Moment with an Entangled Baryon-Antibaryon System

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

The dominance of matter over antimatter in the universe has consistently driven the pursuit of new physics beyond the Standard Model that violates charge-parity symmetry. Strange b…

hep-ex2025

Measurements of the absolute branching fractions of the doubly Cabibbo-suppressed decays $D^{+} \to K^{+} π^{0}$ , $D^{+} \to K^{+} η$ and $D^{+} \to K^{+} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Using $20.3 f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at a center-of-mass energy of 3.773\,GeV with the BESIII detector, we present the measurements of the absolute branch…

hep-ex2025★ 1 cited

Search for the charmonium weak decays $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J / ψ \to D_{s}^{-} π^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +700

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events recorded with the BESIII detector, we search for the rare charmonium weak decays $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J/ψ\to D_{s}^{-}π…

hep-ex2025★ 2 cited

Unraveling the structure of $Λ$ hyperons with polarized $Λ Λ ˉ$ pairs

The BESIII Collaboration

With data collected in a dedicated energy scan from 2.3864 up to 3.0800 GeV, the BESIII collaboration provides the first complete energy-dependent measurements of the $Λ$ electroma…

hep-ex2025

Observation of $D^{+} \to K_{S}^{0} π^{0} μ^{+} ν_{μ}$ , Test of Lepton Flavor Universality and First Angular Analysis of $D^{+} \to K ˉ^{*} (892)^{0} ℓ^{+} ν_{ℓ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

We report a study of the semileptonic decays $D^{+} \to K_{S}^{0} π^{0} ℓ^{+} ν_{ℓ}$ ( $ℓ = e, μ$ ) based on $20.3 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-m…

hep-ex2025

Study of $f_{1} (1420)$ and $η (1405)$ in the decay $J / ψ \to γ π^{0} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

A partial-wave analysis is performed on the decay $J / ψ \to γ π^{0} π^{0} π^{0}$ within the $π^{0} π^{0} π^{0}$ invariant-mass region below 1.6 GeV $/ c^{2}$ , using $(10.09~\pm~0.04)\times10…

hep-ex2025

Improved Measurements of $D^{+} \to η e^{+} ν_{e}$ and $D^{+} \to η μ^{+} ν_{μ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using 20.3 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we measure the branching fractions of $D^{+} \to η e^{+} ν_{e}$ …

hep-ex2025★ 7 cited

Test of local realism via entangled $Λ Λ ˉ$ system

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

The non-locality of quantum correlations is a fundamental feature of quantum theory. The Bell inequality serves as a benchmark for distinguishing between predictions made by quantu…

hep-ex2025

Observation of an Altered $a_{0} (980)$ Line-shape in $D^{+} \to π^{+} η η$ due to the Triangle Loop Rescattering Effect

BESIII Collaboration, M. Ablikim, M. N. Achasov +697

Using 20.3~ $fb^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at the center-of-mass energy 3.773~GeV, we report the first amplitude analysis of the hadro…

hep-ex2025★ 2 cited

First measurement of $Σ^{+} n \to Λ p$ and $Σ^{+} n \to Σ^{0} p$ cross sections via $Σ^{+}$ -nucleus scattering at an electron-positron collider

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector at the BEPCII storage ring, the reactions $Σ^{+} n \to Λ p$ and $Σ^{+} n \to Σ^{0} p$ …

hep-ex2025

Measurement of branching fractions of $Λ_{c}^{+}$ decays to $Σ^{+} η$ and $Σ^{+} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

By analyzing $e^{+} e^{-}$ collision data taken at center-of-mass energies $s$ between 4.600 and 4.699 GeV with the BESIII detector at the BEPCII collider, corresponding to an in…

astro-ph.HE2025★ 14 cited

Precise measurements of the cosmic ray proton energy spectrum in the "knee'' region

The LHAASO Collaboration, Zhen Cao, F. Aharonian +310

We report the high-purity identification of cosmic-ray (CR) protons and a precise measurement of their energy spectrum from 0.15 to 12 PeV using the Large High Altitude Air Shower…

hep-ex2025★ 1 cited

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

Based on 12.0 $f b^{- 1}$ of $e^{+} e^{-}$ collision data samples collected by the BESIII detector at center-of-mass energies from 4.1271 to 4.3583 GeV, a partial wave analys…

hep-ex2025

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, the decays $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$ are obs…

hep-ex2025

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / ψ \to ϕ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

The first direct measurement of the relative phase between the strong and electromagnetic amplitudes for a $J / ψ$ decaying into a vector-pseudoscalar final state is performed using…

Energy-Dependent Shifts of Medium-Scale Anisotropies in Very-High-Energy Cosmic Rays Observed by LHAASO-KM2A

Production and Decay Dynamics of the Charmed Baryon Λc+​ in e+e− Annihilations near Threshold

Measurement of the Born cross section for e+e−→pK−K−Ξˉ+ at s​= 3.5-4.9 GeV

Search for the lepton number violating process J/ψ→K+K+e−e−+c.c.

Precise Measurement of Chromoelectric Dipole Moment of the Charm Quark

Search for the charged lepton flavor violating decay ψ(3686)→e±μ∓

Measurement of the η transition form factor through η′→π+π−η decay

A novel measurement of the strong-phase difference between D0→K−π+ and Dˉ0→K−π+ decays using C-even and C-odd quantum-correlated DDˉ pairs

First observation of quantum correlations in e+e−→XDDˉ and C-even constrained DDˉ pairs

Measurement of the Λ Electric Dipole Moment with an Entangled Baryon-Antibaryon System

Measurements of the absolute branching fractions of the doubly Cabibbo-suppressed decays D+→K+π0, D+→K+η and D+→K+η′

Search for the charmonium weak decays J/ψ→Ds−​ρ++c.c. and J/ψ→Ds−​π++c.c.

Unraveling the structure of Λ hyperons with polarized ΛΛˉ pairs

Observation of D+→KS0​π0μ+νμ​, Test of Lepton Flavor Universality and First Angular Analysis of D+→Kˉ∗(892)0ℓ+νℓ​

Study of f1​(1420) and η(1405) in the decay J/ψ→γπ0π0π0

Improved Measurements of D+→ηe+νe​ and D+→ημ+νμ​

Test of local realism via entangled ΛΛˉ system

Observation of an Altered a0​(980) Line-shape in D+→π+ηη due to the Triangle Loop Rescattering Effect

First measurement of Σ+n→Λp and Σ+n→Σ0p cross sections via Σ+-nucleus scattering at an electron-positron collider

Measurement of branching fractions of Λc+​ decays to Σ+η and Σ+η′

Precise measurements of the cosmic ray proton energy spectrum in the "knee'' region

Partial Wave Analysis of e+e−→π+π−J/ψ and Cross Section Measurement of e+e−→π±Zc​(3900)∓ from 4.1271 to 4.3583 GeV

Observation of χcJ​(J=0,1,2)→ppˉ​ηη

Measurement of the phase between strong and electromagnetic amplitudes in the decay J/ψ→ϕη

Production and Decay Dynamics of the Charmed Baryon $Λ_{c}^{+}$ in $e^{+} e^{-}$ Annihilations near Threshold

Measurement of the Born cross section for $e^{+} e^{-} \to p K^{-} K^{-} Ξ ˉ^{+}$ at $s =$ 3.5-4.9 GeV

Search for the lepton number violating process $J / ψ \to K^{+} K^{+} e^{-} e^{-} + c . c .$

Search for the charged lepton flavor violating decay $ψ (3686) \to e^{\pm} μ^{\mp}$

Measurement of the $η$ transition form factor through $η^{'} \to π^{+} π^{-} η$ decay

A novel measurement of the strong-phase difference between $D^{0} \to K^{-} π^{+}$ and $D ˉ^{0} \to K^{-} π^{+}$ decays using $C$ -even and $C$ -odd quantum-correlated $D D ˉ$ pairs

First observation of quantum correlations in $e^{+} e^{-} \to X D D ˉ$ and $C$ -even constrained $D D ˉ$ pairs

Measurement of the $Λ$ Electric Dipole Moment with an Entangled Baryon-Antibaryon System

Measurements of the absolute branching fractions of the doubly Cabibbo-suppressed decays $D^{+} \to K^{+} π^{0}$ , $D^{+} \to K^{+} η$ and $D^{+} \to K^{+} η^{'}$

Search for the charmonium weak decays $J / ψ \to D_{s}^{-} ρ^{+} + c . c .$ and $J / ψ \to D_{s}^{-} π^{+} + c . c .$

Unraveling the structure of $Λ$ hyperons with polarized $Λ Λ ˉ$ pairs

Observation of $D^{+} \to K_{S}^{0} π^{0} μ^{+} ν_{μ}$ , Test of Lepton Flavor Universality and First Angular Analysis of $D^{+} \to K ˉ^{*} (892)^{0} ℓ^{+} ν_{ℓ}$

Study of $f_{1} (1420)$ and $η (1405)$ in the decay $J / ψ \to γ π^{0} π^{0} π^{0}$

Improved Measurements of $D^{+} \to η e^{+} ν_{e}$ and $D^{+} \to η μ^{+} ν_{μ}$

Test of local realism via entangled $Λ Λ ˉ$ system

Observation of an Altered $a_{0} (980)$ Line-shape in $D^{+} \to π^{+} η η$ due to the Triangle Loop Rescattering Effect

First measurement of $Σ^{+} n \to Λ p$ and $Σ^{+} n \to Σ^{0} p$ cross sections via $Σ^{+}$ -nucleus scattering at an electron-positron collider

Measurement of branching fractions of $Λ_{c}^{+}$ decays to $Σ^{+} η$ and $Σ^{+} η^{'}$

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / ψ \to ϕ η$