78 citations · 739 across the 54 of their papers we have counts for
55 papers
Crystallographic quotients of Artin braid groups and torus bundles over flat -manifolds
Oscar Ocampo
For , let be the crystallographic quotient of the Artin braid group, with translation subgroup ,…
Enhanced All-Distance Equi-Zenith Angle Method for Cosmic-Ray Anisotropy Measurement
Dong-Xu Sun, Dan Li, Wei Liu +3
Long-term observations indicate that the relative intensity of cosmic-ray anisotropy remains below for energies less than PeV. Measuring such faint signals poses a…
Two kinds of Galactic source populations could explain the cosmic-ray observation up to the "knee" region
Furong Li, Wei Liu, Yali Shao +1
Observations of diffuse gamma rays above hundreds of TeV from the Galactic disk provide strong evidence for the existence of PeV cosmic-ray accelerators--so-called PeVatrons--in th…
Co-evolution of cosmic ray energy spectra, composition, and anisotropies
Bing-Qiang Qiao, Qiang Yuan, Yi-Qing Guo
The origin of cosmic rays remains an unresolved fundamental problem in astrophysics. The synergy of multiple observational probes, including the energy spectra, the mass compositio…
The Compton-Getting origin of the large-scale anisotropy of Galactic cosmic rays
Bing-qiang Qiao, Wei Liu, Huirong Yan +1
Recent studies suggest that the anisotropy in cosmic-ray arrival directions can provide insight into local acceleration sites and propagation conditions. We developed a unified fra…
Contribution of the Cygnus bubble to the Galactic cosmic ray spectrum and diffuse -ray emissions
Lin Nie, Xiang-Li Qian, Yi-Qing Guo +1
Since the discovery of cosmic rays (CRs) over a century ago, their origin has remained a mystery and a key research question. Recently, the LHAASO experiment identified the first C…
GRANDlib: A simulation pipeline for the Giant Radio Array for Neutrino Detection (GRAND)
GRAND Collaboration, Rafael Alves Batista, Aurélien Benoit-Lévy +112
The operation of upcoming ultra-high-energy cosmic-ray, gamma-ray, and neutrino radio-detection experiments, like the Giant Radio Array for Neutrino Detection (GRAND), poses signif…
From known to unknown: cosmic rays transition from the Sun, the Galaxy, and the Extra-Galaxy
Yu-Hua Yao, Yi-Qing Guo, Wei Liu
The Sun stands out as the closest and clearest astrophysical accelerator of cosmic rays, while other objects within and beyond the galaxy remain enigmatic. It is probable that the…
Precise measurement of the cosmic-ray spectrum and by LHAASO -- connecting the Galactic to the extragalactic components
Xing-Jian Lv, Xiao-Jun Bi, Kun Fang +6
Recently LHAASO Collaboration gives precise measurements of cosmic rays (CR) all particle energy spectrum and mean logarithmic mass from 0.3 Pe…
Galactic diffuse emission from radio to ultra-high-energy gamma rays in light of up-to-date cosmic ray measurements
Xin-Yu He, Pei-Pei Zhang, Qiang Yuan +1
Cosmic rays travel throughout the Galaxy, leaving traces from radio to ultra-high-energy gamma rays due to interactions with the interstellar gas, radiation field and magnetic fiel…
Prospects for Joint Detection of Gravitational Waves with Counterpart Gamma-Ray Bursts Detected by the HADAR Experiment
Pei-Jin Hu, Qi-Ling Chen, Tian-Lu Chen +22
The detection of GW170817/GRB170817A implied the strong association between short gamma-ray bursts (SGRBs) and binary neutron star (BNS) mergers which produce gravitational waves (…
Optimization of performance of the KM2A full array using the Crab Nebula
LHAASO collaboration
The full array of the Large High Altitude Air Shower Observatory (LHAASO) has been in operation since July 2021. For its kilometer-square array (KM2A), we have optimized the select…
A new understanding of nuclei spectra properties with propagation model
Xu-Lin Dong, Yu-Hua Yao, Yi-Qing Guo +1
The AMS-02 experiment has observed new properties of primary cosmic rays (CRs) categorized into two groups: He-C-O-Fe and Ne-Mg-Si-S, which are independent of CR propagation. In th…
Application of Deep Learning Methods Combined with Physical Background in Wide Field of View Imaging Atmospheric Cherenkov Telescopes
Ao-Yan Cheng, Hao Cai, Shi Chen +25
The HADAR experiment, which will be constructed in Tibet, China, combines the wide-angle advantages of traditional EAS array detectors with the high sensitivity advantages of focus…
A common origin of multi-messenger spectral anomaly of galactic cosmic rays
Yu-Hua Yao, Xu-Lin Dong, Yi-Qing Guo +1
Recent observations of cosmic rays (CRs) have revealed a two-component anomaly in the spectra of primary and secondary particles, as well as their ratios, prompting investigation i…
The Giant Radio Array for Neutrino Detection (GRAND) Collaboration -- Contributions to the 38th International Cosmic Ray Conference (ICRC 2023)
GRAND Collaboration, Rafael Alves Batista, Aurélien Benoit-Lévy +96
The Giant Radio Array for Neutrino Detection (GRAND) is an envisioned observatory of ultra-high-energy particles of cosmic origin, with energies in excess of 100 PeV. GRAND uses la…
Multi-messenger observations support cosmic ray interactions surrounding acceleration sources
Dong-Xu Sun, Pei-Pei Zhang, Yi-Qing Guo +2
The observations of the energy spectra of cosmic-ray have revealed complicated structures. Especially, spectral hardenings in the boron-to-carbon and boron-to-oxygen ratios above $…
Prospects for detection rate of very-high-energy γ-ray emissions from short γ-ray bursts with the HADAR experiment
Qi-Ling Chen, Pei-Jin Hu, Jing-Jing Su +22
The observation of short gamma ray bursts (SGRBs) in the TeV energy range plays an important role in understanding the radiation mechanism and probing new areas of physics such as…
Nearby SNR: a possible common origin to multi-messenger anomalies in spectra, ratios and anisotropy of cosmic rays
Bing-Qiang Qiao, Yi-Qing Guo, Wei-Liu +1
The multi-messenger anomalies, including spectral hardening or excess for nuclei, leptons, ratios of and B/C, and anisotropic reversal, were observed in past years. AMS-…
Evidence of fresh cosmic ray in galactic plane based on DAMPE measurement of B/C and B/O ratios
Pei-Pei Zhang, Xin-Yu He, Wei Liu +1
More and more experiments have identified that the energy spectra of both primary and secondary cosmic-rays exhibit a hardening above GV. Most recently, the DAMPE experi…
Prospective Study on Observations of γ-Ray Sources in the Galaxy Using the HADAR Experiment
Xiangli Qian, Huiying Sun, Tianlu Chen +18
The High Altitude Detection of Astronomical Radiation (HADAR) experiment is a refracting terrestrial telescope array based on the atmospheric Cherenkov imaging technique. It focuse…
Understanding the phase reversals of Galactic cosmic ray anisotropies
Bing-Qiang Qiao, Qing Luo, Qiang Yuan +1
The energy spectra and anisotropies are very important probes of the origin of cosmic rays. Recent measurements show that complicated but very interesting structures exist, at simi…
Constraining the position of the knee in the galactic cosmic ray spectrum with ultra-high-energy diffuse -rays
Pei-pei Zhang, Yi-qing Guo, Bing-qiang Qiao +1
The diffuse -ray emission was measured up to TeV by the Tibet-AS experiment recently. Assuming that it is produced by the hadronic interaction between cosmic ray nuclei…
Statistically study the optimal local sources for cosmic ray nuclei and electron
Qing Luo, Bing-qiang Qiao, Wei Liu +2
The local sources, such as Geminga SNR, may play important role for the anomaly of proton, electron and anisotropy in the past works. In fact, there exists twelve SNRs around solar…