L. Ma

activity

20142026

most citedPeta-electron volt gamma-ray emission from the Crab Nebula

191 citations · 1.6k across the 62 of their papers we have counts for

collaborators

65 papers

astro-ph.HE2026

Search for Ultra-Relativistic Magnetic Monopoles with LHAASO-KM2A

Zhen Cao, F. Aharonian, Y. X. Bai +335

Ultra-relativistic magnetic monopoles traversing the atmosphere are expected to initiate extensive air showers characterized by a muon deficit and a compact lateral profile. Using…

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…

hep-ex2022

Measurements of the electric and magnetic form factors of the neutron for time-like momentum transfer

BESIII Collaboration, M. Ablikim, M. N. Achasov +589

We present the first measurements of the electric and magnetic form factors of the neutron in the time-like (positive $q^{2}$ ) region as function of four-momentum transfer. We explor…

hep-ex2022★ 17 cited

Study of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ at center-of-mass energies from 3.49 to 3.67 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +565

Using data samples of $e^{+} e^{-}$ collisions collected with the BESIII detector at eight center-of-mass energy points between 3.49 and 3.67 GeV, corresponding to an integrated luminos…

hep-ex2022★ 42 cited

Search for an axion-like particle in radiative $J / ψ$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +588

We search for an axion-like particle (ALP) $a$ through the process $ψ (3686) \to π^{+} π^{-} J / ψ$ , $J / ψ \to γ a$ , $a \to γ γ$ in a data sample of $(2.71 \pm 0.01) \times 1 0^{9}$ …

hep-ex2022★ 6 cited

Evidence for $η_{c}$ (2S)$\to\pipieta$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

The decay $η_c(2S)\to\pipieta$ is searched for through the radiative transition $ψ (3686) \to γ η_{c} (2 S)$ using 448 million $ψ$ (3686) events accumulated at the BESIII detector. The fir…

hep-ex2022★ 12 cited

Measurements of Differential Cross Sections of Inclusive $π^{0}$ and $K_{S}^{0}$ Production in $e^{+} e^{-}$ Annihilation at Energies from 2.2324 to 3.6710 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +572

Based on electron positron collision data collected with the BESIII detector operating at the BEPCII storage rings, the differential cross sections of inclusive $π^{0}$ and $K_{S}^{0}$ p…

hep-ex2022★ 30 cited

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

M. Ablikim, M. N. Achasov, P. Adlarson +563

Cross sections for the process $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$ at center-of-mass energies from $4.128$ to $4.950$ GeV are measured using data samples with a total integra…

astro-ph.HE2022★ 40 cited

Constraints on heavy decaying dark matter from 570 days of LHAASO observations

The LHAASO Collaboration, Zhen Cao, F. Aharonian +276

The Kilometer Square Array~(KM2A) of the Large High Altitude Air Shower Observatory (LHAASO) aims at surveying the northern gamma-ray sky at energies above 10 TeV with unprecedente…

hep-ex2022★ 7 cited

Observation of the $J / ψ$ and $ψ (3686)$ decays into $η Σ^{+} Σ ˉ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +572

The decays $J / ψ \to η Σ^{+} Σ ˉ^{-}$ and $ψ (3686) \to η Σ^{+} Σ ˉ^{-}$ are observed for the first time, using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ and $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ(…

hep-ex2022★ 2 cited

Observation of $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

Using a data sample corresponding to an integrated luminosity of 11.3 $f b^{- 1}$ collected at center-of-mass energies from $4.23$ to $4.70$ ~GeV with the BESIII detector, we obse…

hep-ex2022★ 2 cited

Observation of the decay $ψ (3686) \to Σ^{-} Σ ˉ^{+}$ and measurement of its angular distribution

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

Using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the decay $ψ (3686) \to Σ^{-} Σ ˉ^{+}$ is observed for the first time with a…

hep-ex2022★ 16 cited

Search for invisible decays of a dark photon using $e^{+} e^{-}$ annihilation data at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +564

We report a search for a dark photon using $14.9$ ~fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data taken at center-of-mass energies from 4.13 to 4.60~GeV with the BESIII detector operated a…

hep-ex2022★ 8 cited

Study of $η (1405) / η (1475)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

Using a sample of $(10.09 \pm 0.04) \times 1 0^{9}$ $J / ψ$ decays collected with the BESIII detector, partial wave analyses of the decay $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ are performed w…

hep-ex2022★ 6 cited

Observation of the hindered electromagnetic Dalitz decay $ψ (3686) \to e^{+} e^{-} η_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

Using a data sample of $(448.1 \pm 2.9) \times 1 0^{6} ψ (3686)$ decays collected at an $e^{+} e^{-}$ center-of-mass energy of $3.686 GeV$ by the BESIII detector at BEPCII, we report a…

hep-ex2022★ 17 cited

Search for a massless dark photon in $Λ_{c}^{+} \to p γ^{'}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +569

A search for a massless dark photon $γ^{'}$ is conducted using 4.5 $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.600 and 4.699 $…

hep-ex2022★ 8 cited

Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +569

The singly Cabibbo suppressed decay $Λ_{c}^{+} \to p η^{'}$ is measured using 4.5 $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.60…

hep-ex2022★ 11 cited

Measurement of $ψ (3686) \to Λ Λ ˉ η$ and $ψ (3686) \to Λ Λ ˉ π^{0}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +565

Based on a sample of $448.1 \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector, a study of $ψ (3686) \to Λ Λ ˉ π^{0}$ and $ψ (3686) \to Λ Λ ˉ η$ is performed. Evidence of the is…

hep-ex2022

Measurement of the total and leptonic decay widths of the $J / ψ$ resonance with an energy scan method at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

Using $e^{+} e^{-}$ annihilation data sets collected with the BESIII detector, we measure the cross sections of the processes $e^{+} e^{-} \to e^{+} e^{-}$ and $e^{+} e^{-} \to μ^{+} μ^{-}$ at fifteen cent…

hep-ex2022

Measurement of the branching fraction and decay asymmetry of $Λ \to nγ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +565

The radiative hyperon decay $Λ \to nγ$ is studied using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector operating at BEPCII. The absolute branching fractio…

hep-ex2022

Observation of $η_{c} (2 S) \to 3 (π^{+} π^{-})$ and measurements of $χ_{c J} \to 3 (π^{+} π^{-})$ in $ψ (3686)$ radiative transitions

BESIII Collaboration, M. Ablikim, M. N. Achasov +564

The hadronic decay $η_{c} (2 S) \to 3 (π^{+} π^{-})$ is observed with a statistical significance of 9.3 standard deviations using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected by the…

hep-ex2022★ 22 cited

Study of the resonance structures in $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ process

BESIII Collaboration, M. Ablikim, M. N. Achasov +560

Using about 23 $f b^{- 1}$ of data collected with the BESIII detector operating at the BEPCII storage ring, a precise measurement of the $e^{+}e^{-} \rightarrow π^{+}π^{-}J/…

hep-ex2022★ 5 cited

Measurements of the absolute branching fractions of hadronic $D$ -meson decays involving kaons and pions

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

By analyzing an electron-positron collision data sample corresponding to an integrated luminosity of $2.93 f b^{- 1}$ taken at the center-of-mass energy of 3.773 GeV with the BE…

hep-ex2022★ 5 cited

Amplitude analysis and branching fraction measurement of the decay \boldmath $D_{s}^{+} \to K^{+} π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +560

The singly Cabibbo-suppressed decay $D_{s}^{+} \to K^{+} π^{+} π^{-} π^{0}$ is observed, using a data set corresponding to an integrated luminosity of 6.32 $f b^{- 1}$ recorded by the…

Search for Ultra-Relativistic Magnetic Monopoles with LHAASO-KM2A

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

Measurements of the electric and magnetic form factors of the neutron for time-like momentum transfer

Study of e+e−→Ω−Ωˉ+ at center-of-mass energies from 3.49 to 3.67 GeV

Search for an axion-like particle in radiative J/ψ decays

Evidence for ηc​(2S)$\to\pipieta$ decay

Measurements of Differential Cross Sections of Inclusive π0 and KS0​ Production in e+e− Annihilation at Energies from 2.2324 to 3.6710 GeV

Observation of the Y(4230) and evidence for a new vector charmonium-like state Y(4710) in e+e−→KS0​KS0​J/ψ

Constraints on heavy decaying dark matter from 570 days of LHAASO observations

Observation of the J/ψ and ψ(3686) decays into ηΣ+Σˉ−

Observation of e+e−→π0π0ψ2​(3823)

Observation of the decay ψ(3686)→Σ−Σˉ+ and measurement of its angular distribution

Search for invisible decays of a dark photon using e+e− annihilation data at BESIII

Study of η(1405)/η(1475) in J/ψ→γKS0​KS0​π0 decay

Observation of the hindered electromagnetic Dalitz decay ψ(3686)→e+e−ηc​

Search for a massless dark photon in Λc+​→pγ′ decay

Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay Λc+​→pη′

Measurement of ψ(3686)→ΛΛˉη and ψ(3686)→ΛΛˉπ0 decays

Measurement of the total and leptonic decay widths of the J/ψ resonance with an energy scan method at BESIII

Measurement of the branching fraction and decay asymmetry of Λ→nγ

Observation of ηc​(2S)→3(π+π−) and measurements of χcJ​→3(π+π−) in ψ(3686) radiative transitions

Study of the resonance structures in e+e−→π+π−J/ψ process

Measurements of the absolute branching fractions of hadronic D-meson decays involving kaons and pions

Amplitude analysis and branching fraction measurement of the decay \boldmath Ds+​→K+π+π−π0

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

Study of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ at center-of-mass energies from 3.49 to 3.67 GeV

Search for an axion-like particle in radiative $J / ψ$ decays

Evidence for $η_{c}$ (2S)$\to\pipieta$ decay

Measurements of Differential Cross Sections of Inclusive $π^{0}$ and $K_{S}^{0}$ Production in $e^{+} e^{-}$ Annihilation at Energies from 2.2324 to 3.6710 GeV

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

Observation of the $J / ψ$ and $ψ (3686)$ decays into $η Σ^{+} Σ ˉ^{-}$

Observation of $e^{+} e^{-} \to π^{0} π^{0} ψ_{2} (3823)$

Observation of the decay $ψ (3686) \to Σ^{-} Σ ˉ^{+}$ and measurement of its angular distribution

Search for invisible decays of a dark photon using $e^{+} e^{-}$ annihilation data at BESIII

Study of $η (1405) / η (1475)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ decay

Observation of the hindered electromagnetic Dalitz decay $ψ (3686) \to e^{+} e^{-} η_{c}$

Search for a massless dark photon in $Λ_{c}^{+} \to p γ^{'}$ decay

Measurement of the absolute branching fraction of the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p η^{'}$

Measurement of $ψ (3686) \to Λ Λ ˉ η$ and $ψ (3686) \to Λ Λ ˉ π^{0}$ decays

Measurement of the total and leptonic decay widths of the $J / ψ$ resonance with an energy scan method at BESIII

Measurement of the branching fraction and decay asymmetry of $Λ \to nγ$

Observation of $η_{c} (2 S) \to 3 (π^{+} π^{-})$ and measurements of $χ_{c J} \to 3 (π^{+} π^{-})$ in $ψ (3686)$ radiative transitions

Study of the resonance structures in $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ process

Measurements of the absolute branching fractions of hadronic $D$ -meson decays involving kaons and pions

Amplitude analysis and branching fraction measurement of the decay \boldmath $D_{s}^{+} \to K^{+} π^{+} π^{-} π^{0}$