activity
19982026
most citedPeta-electron volt gamma-ray emission from the Crab Nebula

191 citations · 995 across the 20 of their papers we have counts for

collaborators

20 papers

astro-ph.HE2026

LHAASO-WCDA observed a 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 -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.HE2025★ 2 cited

Observations of the Fermi bubbles and the Galactic center excess with the DArk Matter Particle Explorer

F. Alemanno, Q. An, P. Azzarello +145

The DArk Matter Particle Explorer (DAMPE) is a space-borne high-energy particle detector that surveys the -ray sky above with a peak acceptance of $\sim 0.2~\rm…

hep-ex2024★ 3 cited

Hadronic cross section measurements with the DAMPE space mission using 20GeV-10TeV cosmic-ray protons and He

F. Alemanno, Q. An, P. Azzarello +148

Precise direct cosmic-ray (CR) measurements provide an important probe to study the energetic particle sources in our Galaxy, and the interstellar environment through which these p…

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 -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 -ray Bubble Powered by a Super PeVatron

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

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

astro-ph.HE2023★ 19 cited

Measurement of the cosmic p+He energy spectrum from 50 GeV to 0.5 PeV with the DAMPE space mission

DAMPE Collaboration, F. Alemanno, C. Altomare +152

Recent observations of the light component of the cosmic-ray spectrum have revealed unexpected features that motivate further and more precise measurements up to the highest energi…

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…

astro-ph.HE2021★ 191 cited

Peta-electron volt gamma-ray emission from the Crab Nebula

The LHAASO Collaboration, Zhen Cao, F. Aharonian +269

The Crab pulsar and the surrounding nebula powered by the pulsar's rotational energy through the formation and termination of a relativistic electron-positron wind is a bright sour…

astro-ph.HE2021★ 34 cited

Discovery of a new -ray source LHAASO J0341+5258 with emission up to 200TeV

The LHAASO Collaboration, Zhen Cao, F. Aharonian +267

We report the discovery of a new unidentified extended -ray source in the Galactic plane named LHAASO J0341+5258 with a pre-trial significance of 8.2 standard deviations above 2…

astro-ph.HE2021★ 5 cited

Exploring Lorentz Invariance Violation from Ultra-high-energy Gamma Rays Observed by LHAASO

Zhen Cao, F. Aharonian, Q. An +268

Recently the LHAASO Collaboration published the detection of 12 ultra-high-energy gamma-ray sources above 100 TeV, with the highest energy photon reaching 1.4 PeV. The first detect…

astro-ph.HE2021★ 51 cited

Discovery of the Ultra-high energy gamma-ray source LHAASO J2108+5157

The LHAASO collaboration, Zhen Cao, F. Aharonian +267

We report the discovery of a UHE gamma-ray source, LHAASO J2108+5157, by analyzing the LHAASO-KM2A data of 308.33 live days. Significant excess of gamma-ray induced showers is obse…

astro-ph.HE2021★ 135 cited

Extended Very-High-Energy Gamma-Ray Emission Surrounding PSR J0622 + 3749 Observed by LHAASO-KM2A

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

We report the discovery of an extended very-high-energy (VHE) gamma-ray source around the location of the middle-aged (207.8 kyr) pulsar PSR J0622+3749 with the Large High Altitude…

astro-ph.HE2021★ 166 cited

Measurement of the cosmic ray helium energy spectrum from 70 GeV to 80 TeV with the DAMPE space mission

F. Alemanno, Q. An, P. Azzarello +142

The measurement of the energy spectrum of cosmic ray helium nuclei from 70 GeV to 80 TeV using 4.5 years of data recorded by the DArk Matter Particle Explorer (DAMPE) is reported i…

hep-ex2000★ 16 cited

A Measurement of the Mass and Full-Width of the Meson

J. Z. Bai

In a sample of 7.8 million decays collected in the Beijing Spectrometer, the process J/ is observed for five different decay channels: , $π^+π^-…

hep-ex1999★ 147 cited

Measurement of the Total Cross Section for Hadronic Production by e+e- Annihilation at Energies between 2.6-5 Gev

J. Z. Bai

Using the upgraded Beijing Spectrometer (BESII), we have measured the total cross section for annihilation into hadronic final states at center-of-mass energies of 2.6, 3.…

hep-ex1998★ 39 cited

Study of the Hadronic Decays of χ_c States

J. Z. Bai

Hadronic decays of the P-wave spin-triplet charmonium states χ_cJ (J=0,1,2) are studied using a sample of ψ(2S) decays collected by the BES detector operating at the BEPC storage r…

hep-ex1998★ 23 cited

Determination of the J/psi Leptonic Branching Fraction via psi(2S) -> pi^+ pi^- J/psi

J. Z. Bai

A comparison of the rates for psi(2S) -> pi^+ pi^- J/psi, J/psi -> l^+l^- and J/psi -> anything is used to determine the J/psi leptonic branching fractions. The results are B(J/psi…

hep-ex1998★ 18 cited

Branching Fractions for and

J. Z. Bai

We report the first measurements of the branching fractions: and . The $…