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20112026
most citedSpatial-Dependent Diffusion of Cosmic Rays and the Ratio of pbar/p, B/C

78 citations · 739 across the 54 of their papers we have counts for

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Showing astro-ph.HEShow all

46 papers · 1 filter

astro-ph.HE2026

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…

astro-ph.HE2026

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…

astro-ph.HE2025

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…

astro-ph.HE2025

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…

astro-ph.HE2024

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…

astro-ph.HE2024

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…

astro-ph.HE2024

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…

astro-ph.HE2024★ 5 cited

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…

astro-ph.HE2024

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 (…

astro-ph.HE2023★ 10 cited

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…

astro-ph.HE2023★ 2 cited

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 $…

astro-ph.HE2023★ 5 cited

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…

astro-ph.HE2022

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-…

astro-ph.HE2022★ 9 cited

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…

astro-ph.HE2022

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…

astro-ph.HE2022★ 13 cited

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…

astro-ph.HE2021

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…

astro-ph.HE2021★ 14 cited

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…

astro-ph.HE2021★ 16 cited

Ultrahigh-energy diffuse gamma-ray emission from cosmic-ray interactions with medium surrounding acceleration sources

Pei-pei Zhang, Bing-qiang Qiao, Qiang Yuan +2

The diffuse -ray spectrum at sub-PeV energy region has been measured for the first time by the Tibet-AS experiment. It will shed new light on the understanding of origin and…

astro-ph.HE2021★ 6 cited

Large-scale anisotropy of Galactic cosmic rays as a probe of local cosmic-ray propagation

Ai-feng Li, Qiang Yuan, Wei Liu +1

Recent studies have shown that the anisotropy is of great value to decipher cosmic rays' origin and propagation. We have built an unified scenario to describe the observations of t…

astro-ph.HE2021★ 18 cited

Geminga SNR: Possible candidate of local cosmic-ray factory

Bing Zhao, Wei Liu, Qiang Yuan +5

The precise measurements of energy spectra and anisotropy could help us uncover the local cosmic-ray accelerators. Our recent works have shown that spectral hardening above G…

astro-ph.HE2021★ 4 cited

Galactic cosmic ray propagation: sub-PeV diffuse gamma-ray and neutrino emission

Bing-Qiang Qiao, Wei Liu, Meng-Jie Zhao +2

The Tibet ASgamma experiment just reported their measurement of sub-PeV diffuse gamma ray emission from the Galactic disk, with the highest energy up to 957 TeV. These gamma-rays a…

astro-ph.HE2021★ 18 cited

Prospects for the detection of the prompt very-high-energy emission from -ray bursts with the High Altitude Detection of Astronomical Radiation experiment

Guang-Guang Xin, Yu-Hua Yao, Xiang-Li Qian +15

The observation of very-high-energy (VHE, ) -ray emission from -ray bursts (GRBs), especially in the prompt phase, will provide critical information for unde…

astro-ph.HE2021

Constraining the cosmic ray propagation halo thickness using Fermi-LAT observations of high-latitude clouds

Yu-Hua Yao, Bing-Qiang Qiao, Wei Liu +5

As a basic characteristic of cosmic ray (CR) propagation, the diffusive halo can advance our understanding of many CR-related studies and indirect dark matter. The method to derive…