65 citations · 583 across the 25 of their papers we have counts for
25 papers
Source Count Distribution of Fermi LAT Gamma-Ray Blazars Using Novel Nonparametric Methods
Xuhang Yin, Houdun Zeng
We utilized a sample from the Fermi-LAT 14-year Source Catalog by adjusting the flux detection threshold, enabling us to derive the intrinsic source count distribution …
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…
The Stellar-mass Function of Long Gamma-Ray Burst Host Galaxies
Guang-Xuan Lan, Jun-Jie Wei, Ye Li +2
Long gamma-ray bursts (GRBs) have been discussed as a potential tool to probe the cosmic star formation rate (SFR) for a long time. Some studies found an enhancement in the GRB rat…
A Three-component Model for Cosmic-ray Spectrum and Dipole Anisotropy
Yiran Zhang, Siming Liu, Houdun Zeng
Using a three-component, multi-scale diffusion model, we show that the cosmic-ray (CR) proton and helium spectra and the dipole anisotropy can be explained with reasonable paramete…
Revisiting the luminosity and redshift distributions of long gamma-ray bursts
Guang-Xuan Lan, Jun-Jie Wei, Hou-Dun Zeng +2
In this work, we update and enlarge the long gamma-ray burst (GRB) sample detected by the {\it Swift} satellite. Given the incomplete sampling of the faint bursts and the low compl…
A Possible Hadronic Origin of TeV Photon Emission from SNR G106.3+2.7
Chuyuan Yang, Houdun Zeng, Biwen Bao +1
In our model, the acceleration and propagation of particles from the Bohm-like diffusion region inside the SNR to the Galactic diffusion region outside the SNR are described throug…
Calibration of the Air Shower Energy Scale of the Water and Air Cherenkov Techniques in the LHAASO experiment
F. Aharonian, Q. An, Axikegu +246
The Wide Field-of-View Cherenkov Telescope Array (WFCTA) and the Water Cherenkov Detector Arrays (WCDA) of LHAASO are designed to work in combination for measuring the energy spect…
Cosmological Evolution of Fermi-LAT Gamma-ray Blazars Using Novel Nonparametric Methods
Houdun Zeng, Vahé Petrosian, Tingfeng Yi
Multi-wavelength analyses of spectra of active galactic nuclei (AGNs) provide useful information on the physical processes in the accretion disk and jets of black holes. This, howe…
TeV cosmic ray nuclei acceleration in shell-type supernova remnants with hard -ray spectra
Houdun Zeng, Yuliang Xin, Shuinai Zhang +1
The emission mechanism for hard -ray spectra from supernova remnants (SNRs) is still a matter of debate. Recent multi-wavelength observations of TeV source HESS J1912+101 show t…
Effect of axion-like particles on the spectrum of the extragalactic gamma-ray background
Yun-Feng Liang, Xing-Fu Zhang, Ji-Gui Cheng +3
Axion-like particles (ALPs) provide a feasible explanation for the observed lower TeV opacity of the Universe. If the anomaly TeV transparency is caused by ALPs, then the fluxes of…
Hadronic vs leptonic models for -ray emission from VER J2227+608
Siming Liu, Houdun Zeng, Yuliang Xin +1
Recent observations of VER J2227+608 reveal a broken power -ray spectrum with the spectral index increasing from in the GeV energy range to in the TeV rang…
Evolution of High-energy Particle Distribution in Supernova Remnants
Houdun Zeng, Yuliang Xin, Qi Fu +1
The spectra fits to a sample of 34 supernova remnants (Zeng et al., 2019) are updated. -ray spectra of 20 supernova remnants (SNRs) with a soft TeV spectrum are further analyzed…
Gamma-ray luminosity function of BL Lac objects and contribution to the extragalactic gamma-ray background
Yankun Qu, Houdun Zeng, Dahai Yan
Using a significantly enlarged \textit{Fermi}-LAT BL Lac objects (BL Lacs) sample, we construct the gamma-ray luminosity function (GLF) of BL Lacs, by the joint use of the space de…
Using the Extragalactic Gamma-Ray Background to Constrain the Hubble Constant and Matter Density of the Universe
Houdun Zeng, Dahai Yan
The attenuation produced by extragalactic background light (EBL) in -ray spectra of blazars has been used to constrain the Hubble constant () and matter density ($Ω_{\rm m}…
The Luminosity Function and Formation Rate of A Complete Sample of Long Gamma-Ray Bursts
Guang-Xuan Lan, Hou-Dun Zeng, Jun-Jie Wei +1
We study the luminosity function and formation rate of long gamma-ray bursts (GRBs) by using a maximum likelihood method. This is the first time this method is applied to a well-de…
VER J2227+608: A Hadronic PeVatron Pulsar Wind Nebula?
Yuliang Xin, Houdun Zeng, Siming Liu +2
We report the detection of GeV -ray emission from the very-high-energy (VHE) -ray source VER J2227+608 associated with the "tail" region of SNR G106.3+2.7. The GeV -ray em…
Evolution of high-energy particle distribution in Supernova Remnants
Houdun Zeng, Yuliang Xin, Siming Liu
Supernova remnants (SNRs) have been considered as the dominant contributors to Galactic cosmic rays. However, the relation between high-energy particles trapped in SNRs and cosmic…
Evolution of High-Energy Particle Distribution in Mature Shell-Type Supernova Remnants
Houdun Zeng, Yuliang Xin, Siming Liu +3
Multi-wavelength observations of mature supernova remnants (SNRs), especially with recent advances in gamma-ray astronomy, make it possible to constrain energy distribution of ener…
Cosmological Tests with the FSRQ Gamma-ray Luminosity Function
Houdun Zeng, Fulvio Melia, Li Zhang
The extensive catalog of -ray selected flat-spectrum radio quasars (FSRQs) produced by \emph{Fermi} during a four-year survey has generated considerable interest in determining…
Limitation of the Least Square Method in the Evaluation of Dimension of Fractal Brownian Motions
Bingqiang Qiao, Siming Liu, Houdun Zeng +2
With the standard deviation for the logarithm of the re-scaled range of simulated fractal Brownian motions given in a previous paper \cite{q14…
The physical properties of Fermi BL Lac objects jets
Dahai Yan, Houdun Zeng, Li Zhang
We investigate the physical properties of BL Lac objects (BL Lacs) jets by modeling the quasi-simultaneous spectral energy distributions (SEDs) of 22 {\it Fermi} BL Lac objects in…
Emitting electrons spectra and acceleration processes in the jet of Mrk 421: from low state to giant flare state
Dahai Yan, Li Zhang, Qiang Yuan +2
We investigate the electron energy distributions (EEDs) and the acceleration processes in the jet of Mrk 421 through fitting the spectral energy distributions (SEDs) in different a…
Non-variable TeV emission from the extended jet of a blazar in the stochastic acceleration scenario: the case of the hard TeV emission of 1ES 1101-232
Dahai Yan, Houdun Zeng, Li Zhang
The detections of X-ray emission from the kiloparsec-scale jets of blazars and radio galaxies may imply the existence of high energy electrons in these extended jets, and these ele…
The contribution from blazar cascade emission to the extragalactic gamma-ray background: What a role does the extragalactic magnetic field play?
Dahai Yan, Houdun Zeng, Li Zhang
We estimate the contribution to the extragalactic gamma-ray background (EGRB) from both intrinsic and cascade emissions produced by blazars using a simple semi- analysis method for…