Danzengluobu Danzengluobu

Study of the Lateral Distribution of EAS Thermal Neutrons Based on ENDA Open

Wei Gao, Fan Ping Li, Hu Liu, Hua Xin, S. W. Cui , et al. · 2025

Reconstruction of coincident EAS events between LHAASO and ENDA Open

S. W. Cui, Shi‐Yuan Zhang, Xinhua Ma, Wei Gao, T. L. Chen , et al. · 2025

Study of stability and consistency of EAS thermal neutron detection at ENDA-64 Open

Heng-Yu Zhang, Xinhua Ma, T. L. Chen, S. W. Cui, Danzengluobu Danzengluobu , et al. · 2025

Constraining the Cosmic-Ray Energy Based on Observations of Nearby Galaxy Clusters by LHAASO Open

Z. Cao, F Aharonian, Y. Bai, Y. W. Bao, D. Bastieri , et al. · 2025

Galaxy clusters act as reservoirs of high-energy cosmic rays (CRs). As CRs propagate through the intracluster medium, they generate diffuse γ -rays detectable by arrays such as LHAASO. These γ -rays result from proton–proton (pp) collision…

Broadband $γ$-ray spectrum of supernova remnant Cassiopeia A Open

Z. Cao, F. Aharonian, Y. X. Bai, Yiwang Bao, D. Bastieri , et al. · 2025

The core-collapse supernova remnant (SNR) Cassiopeia A (Cas A) is one of the brightest galactic radio sources with an angular radius of $\sim$ 2.5 $\arcmin$. Although no extension of this source has been detected in the $γ$-ray band, using…

An Enigmatic PeVatron in an Area around H <span>ii</span> Region G35.6−0.5 Open

Z. Cao, F Aharonian, Axikegu, Yuting Bai, Yiwang Bao , et al. · 2025

Identifying Galactic PeVatrons (PeV particle accelerators) from ultrahigh-energy (UHE, >100 TeV) γ -ray sources plays a crucial role in revealing the origin of Galactic cosmic rays. The UHE source 1LHAASO J1857+0203u is suggested to be ass…

Measurement of attenuation length of the muon content in extensive air showers from 0.3 to 30 PeV with LHAASO Open

Z. Cao, F. Aharonian, Axikegu, Y. X. Bai, Y. W. Bao , et al. · 2024

The attenuation length of the muon content in extensive air showers provides important information regarding the generation and development of air showers. This information can be used not only to improve the description of such showers bu…

Detection of two TeV gamma-ray outbursts from NGC 1275 by LHAASO Open

Z. Cao, F Aharonian, Axikegu, Yucen Bai, Y. W. Bao , et al. · 2024

The Water Cherenkov Detector Array (WCDA) is one of the components of Large High Altitude Air Shower Observatory (LHAASO) and can monitor any sources over two-thirds of the sky for up to 7 h per day with >98 per cent duty cycle. In this…

Detection of Very High-energy Gamma-Ray Emission from the Radio Galaxy M87 with LHAASO Open

Z. Cao, F Aharonian, Axikegu, Yuting Bai, Yiwang Bao , et al. · 2024

The nearby radio galaxy M87 is a very high-energy (VHE) gamma-ray emitter established by observations with ground-based gamma-ray detectors. Here we report the long-term monitoring of M87 from 2021 to 2024 with the Large High Altitude Air …

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

Z. Cao, F. Aharonian, Axikegu, Y. Bai, Y. W. Bao , et al. · 2024

Discovery of Very High Energy Gamma-Ray Emissions from the Low-luminosity AGN NGC 4278 by LHAASO Open

Zhen Cao, F. Aharonian, Axikegu, Y. Bai, Y. W. Bao , et al. · 2024

The first source catalog of the Large High Altitude Air Shower Observatory (LHAASO) reported the detection of a very high energy gamma-ray source, 1LHAASO J1219+2915. This Letter presents a further detailed study of the spectral and tempor…

Evidence for particle acceleration approaching PeV energies in the W51 complex Open

Z. Cao, F Aharonian, Axikegu, Y. X. Bai, Yiwang Bao , et al. · 2024

Modeling of TeV Galactic Cosmic-ray Anisotropy based on Intensity Mapping in an MHD Model Heliosphere Open

M. Amenomori, Y. W. Bao, Xiao-Jun Bi, D. Chen, T. L. Chen , et al. · 2024

Cosmic rays do not arrive at the Earth uniformly. Recent experiments have consistently observed small anisotropies with amplitudes of ∼0.2% in the arrival directions of cosmic rays at TeV energies. We perform the modeling of the cosmic-ray…

Measurements of All-Particle Energy Spectrum and Mean Logarithmic Mass of Cosmic Rays from 0.3 to 30 PeV with LHAASO-KM2A Open

The LHAASO Collaboration, Z. Cao, F. Aharonian, Qi An, A. Axikegu , et al. · 2024

We present the measurements of all-particle energy spectrum and mean logarithmic mass of cosmic rays in the energy range of 0.3-30 PeV using data collected from LHAASO-KM2A between September 2021 and December 2022, which is based on a near…

The First LHAASO Catalog of Gamma-Ray Sources Open

Z. Cao, F. Aharonian, Qi An, Axikegu, Y. X. Bai , et al. · 2024

We present the first catalog of very-high-energy and ultra-high-energy gamma-ray sources detected by the Large High Altitude Air Shower Observatory. The catalog was compiled using 508 days of data collected by the Water Cherenkov Detector …

Does or Did the Supernova Remnant Cassiopeia A Operate as a PeVatron? Open

Z. Cao, F. Aharonian, Q. An, Axikegu, Y. X. Bai , et al. · 2024

For decades, supernova remnants (SNRs) have been considered the prime sources of Galactic cosmic rays (CRs). But whether SNRs can accelerate CR protons to PeV energies and thus dominate CR flux up to the knee is currently under intensive t…

Research on the knee region of cosmic ray by using a novel type of electron-neutron detector array Open

Bingbing Li, Xinhua Ma, S. W. Cui, Hao-Kun Chen, T. L. Chen , et al. · 2024

By accurately measuring composition and energy spectrum of cosmic ray, the origin problem of so called "keen" region (energy > 1 PeV) can be solved. However, up to the present, the results of the spectrum in the knee region obtained by sev…

Very high energy gamma-ray emission beyond 10 TeV from GRB 221009A Open

Z. Cao, F Aharonian, Qi An, A. Axikegu, Y. X. Bai , et al. · 2023

The highest energy gamma-rays from gamma-ray bursts (GRBs) have important implications for their radiation mechanism. Here we report for the first time the detection of gamma-rays up to 13 TeV from the brightest GRB 221009A by the Large Hi…

Measurement of Ultra-High-Energy Diffuse Gamma-Ray Emission of the Galactic Plane from 10 TeV to 1 PeV with LHAASO-KM2A Open

Z. Cao, F. Aharonian, Q. An, Axikegu, Y. Bai , et al. · 2023

The diffuse Galactic γ-ray emission, mainly produced via interactions between cosmic rays and the interstellar medium and/or radiation field, is a very important probe of the distribution, propagation, and interaction of cosmic rays in the…

Observation of Gamma Rays up to 320 TeV from the Middle-aged TeV Pulsar Wind Nebula HESS J1849−000 Open

M. Amenomori, Shigeru Asano, Y. W. Bao, Xiao-Jun Bi, D. Chen , et al. · 2023

Gamma rays from HESS J1849−000, a middle-aged TeV pulsar wind nebula (PWN), are observed by the Tibet air shower array and the muon detector array. The detection significance of gamma rays reaches 4.0 σ and 4.4 σ levels above 25 TeV and 10…

Observation of gamma rays up to 320 TeV from the middle-aged TeV pulsar wind nebula HESS J1849$-$000 Open

M. Amenomori, Satoshi Asano, Y. W. Bao, Xiao-Jun Bi, Dongying Chen , et al. · 2023

Gamma rays from HESS J1849$-$000, a middle-aged TeV pulsar wind nebula (PWN), are observed by the Tibet air shower array and the muon detector array. The detection significance of gamma rays reaches $4.0\, σ$ and $4.4\, σ$ levels above 25 …

Progress of ENDA and Hybrid Detection of Cosmic Ray by Using ENDA and LHAASO Open

S. W. Cui, Hao-Kun Chen, Xinhua Ma, T. L. Chen, S. W. Cui , et al. · 2023

By accurate measurement of components and energy spectrum in the knee region, problem of origin of galactic cosmic ray can be solved. Hadrons are the “skeleton” of extensive air shower (EAS) and possess favorable information concerning the…

A tera–electron volt afterglow from a narrow jet in an extremely bright gamma-ray burst Open

Z. Cao, F. Aharonian, Qier An, Axikegu, Lixin Bai , et al. · 2023

Some gamma-ray bursts (GRBs) have a tera–electron volt (TeV) afterglow, but the early onset of this has not been observed. We report observations with the Large High Altitude Air Shower Observatory (LHAASO) of the bright GRB 221009A, which…

The First LHAASO Catalog of Gamma-Ray Sources Open

Zhen Cao, F. Aharonian, Q. An, Axikegu, Y. X. Bai , et al. · 2023

We present the first catalog of very-high energy and ultra-high energy gamma-ray sources detected by the Large High Altitude Air Shower Observatory (LHAASO). The catalog was compiled using 508 days of data collected by the Water Cherenkov …

Expectation on observations of Fermi-LAT gamma-ray sources using the HADAR experiment Open

Huiying Sun, Xiang-Li Qian, T. L. Chen, Danzengluobu Danzengluobu, Y. L. Feng , et al. · 2023

High altitude detection of astronomical radiation (HADAR) is an innovative array of atmospheric Cherenkov telescopes that employs pure water as its medium. By utilizing large-aperture hemispherical lenses, HADAR can capture atmospheric Che…

Constraints on Heavy Decaying Dark Matter from 570 Days of LHAASO Observations Open

zhen cao, F. Aharonian, Q. An, Axikegu, Lixin Bai , et al. · 2022

The kilometer square array (KM2A) of the large high altitude air shower observatory (LHAASO) aims at surveying the northern γ-ray sky at energies above 10 TeV with unprecedented sensitivity. γ-ray observations have long been one of the mos…

Prospective study on observations of gamma-ray emission from active galactic nuclei using the HADAR experiment Open

Xiang-Li Qian, Huiying Sun, T. L. Chen, Danzengluobu Danzengluobu, Y. L. Feng , et al. · 2022

The High Altitude Detection of Astronomical Radiation (HADAR) experiment is a refracting terrestrial telescope array based on the atmospheric Cherenkov imaging technique. It is a hybrid array consisting of four water-lens telescopes and a …

Prospective Study on Observations of γ-Ray Sources in the Galaxy Using the HADAR Experiment Open

Xiang-Li Qian, Huiying Sun, T. L. Chen, Danzengluobu Danzengluobu, Youliang Feng , et al. · 2022

The High Altitude Detection of Astronomical Radiation (HADAR) experiment is a refracting terrestrial telescope array based on the atmospheric Cherenkov imaging technique. It focuses the Cherenkov light emitted by extensive air showers thro…

Flux Variations of Cosmic Ray Air Showers Detected by LHAASO-KM2A During a Thunderstorm on 10 June 2021 Open

LHAASO Collaboration, F. Aharonian, Q. An, Axikegu, Lixin Bai , et al. · 2022

The Large High Altitude Air Shower Observatory (LHAASO) has three sub-arrays, KM2A, WCDA and WFCTA. The flux variations of cosmic ray air showers were studied by analyzing the KM2A data during the thunderstorm on 10 June 2021. The number o…

Optical Observations of the Nearby Type Ia Supernova 2021hpr Open

Yu Zhang, Tianmeng Zhang, Danzengluobu Danzengluobu, Zhitong Li, P. Zhao , et al. · 2022

We present the optical photometric and spectroscopic observations of the nearby Type Ia supernova (SN) 2021hpr. The observations covered the phase of −14.37 to +63.68 days relative to its maximum luminosity in the B band. The evolution of …

Danzengluobu Danzengluobu YOU? Author Swipe