169 citations · 1.6k across the 65 of their papers we have counts for
59 papers · 1 filter
Evidence for a GeV -ray line signal in a stacking analysis of the Virgo, Fornax, and Ophiuchus Galaxy clusters
Yi-Zhong Fan, Zhao-Qiang Shen, Yun-Feng Liang +6
As the largest gravitationally bound objects in the Universe, galaxy clusters have provided the first piece of evidence for the presence of dark matter and may be suitable targets…
Search for the gamma-ray spectral lines with the DAMPE and the Fermi-LAT observations
Ji-Gui Cheng, Yun-Feng Liang, En-Wei Liang
Weakly interacting massive particles, as a major candidate of dark matter (DM), may directly annihilate or decay into high-energy photons, producing monochromatic spectral lines in…
Searching for dark-matter induced neutrino signals in dwarf spheroidal galaxies using 10 years of IceCube public data
Xue-Kang Guo, Yi-Fei Lü, Yong-Bo Huang +3
This study searches for neutrino signals from 18 dwarf spheroidal galaxies (dSphs) using 10 years of publicly available muon-track data of the IceCube neutrino observatory. We appl…
Diffuse -ray emission around the massive star forming region of Carina Nebula Complex
Ting-Ting Ge, Xiao-Na Sun, Rui-Zhi Yang +2
We report the Fermi Large Area Telescope (Fermi-LAT) detection of the -ray emission toward the massive star forming region of Carina Nebula Complex (CNC). Using the latest sourc…
X-ray and GeV-gamma-ray emission property of TeV Compact Symmetric Object PKS 1413+135 and Implication for Episodic Jet Activity
Ying-Ying Gan, Jin Zhang, Su Yao +3
PKS 1413+135, a compact symmetric object (CSO) with a two-side pc-scale structure in its miniature radio morphology, is spatially associated with 4FGL J1416.1+1320 and recently det…
Investigating the correlations between IceCube high-energy neutrinos and Fermi-LAT gamma-ray observations
Rong-Lan Li, Ben-Yang Zhu, Yun-Feng Liang
We use 10 years of publicly available IceCube data to investigate the correlations between high-energy neutrinos and various Fermi-LAT gamma-ray samples. This work considers the fo…
Search for gamma-ray line signals around the black hole at the galactic center with DAMPE observation
Tian-Ci Liu, Ji-Gui Cheng, Yun-Feng Liang +1
The adiabatic growth of a black hole (BH) may enhance the dark matter (DM) density surrounding it, causing a spike in the DM density profile. The spike around the supermassive BH a…
Is TOL 1326-379 a Prototype of gamma-ray Emitting FR0 Radio Galaxy?
Fu Wen-Jing, Zhang Hai-Ming, Zhang Jin +3
With the possible spacial association to the Fermi/LAT source 3FGL J1330.0-3818, TOL 1326-379 may be the first one that is identified as a gamma-ray emitting Fanaroff-Riley type 0…
Search for gamma-ray emission from the 12 nearby dwarf spheroidal galaxies with 12 years of Fermi-LAT data
Shang Li, Yun-Feng Liang, Yi-Zhong Fan
Previously, we have shown in Li et al. (2018) that very weak -ray excesses () appear in some Milky Way dwarf spheroidal galaxies (dSphs, including candidates) and the c…
GRB 200716C: Evidence for a Short Burst Being Lensed
Yun Wang, Lu-Yao Jiang, Cheng-Kui Li +5
A tiny fraction of observed gamma-ray bursts (GRBs) may be lensed. The time delays induced by the gravitational lensing are milliseconds to seconds if the point lenses are intermed…
Nearby SN-Associated GRB~190829A: Environment, Jet Structure, and VHE Gamma-Ray Afterglows
Zhang Lu-Lu, Ren Jia, Huang Xiao-Li +3
We present a self-consistent paradigm for interpreting the striking features of nearby low-luminosity GRB~190829A. Its prompt gamma-ray lightcurve has two separated pulses. We prop…
Highly Variable -Ray Emission of CTD 135 and Implications for its Compact Symmetric Structure
Ying-Ying Gan, Hai-Ming Zhang, Jin Zhang +4
The -ray emission properties of CTD 135, a typical compact symmetric object (CSO), are investigated with 11-year Fermi/LAT observations. We show that it has bright and sig…
Black Hole Mass Function of Coalescing Binary Black Hole Systems: Is There a Pulsational Pair Instability Mass Cutoff?
Yuan-Zhu Wang, Shao-Peng Tang, Yun-Feng Liang +5
We analyze the LIGO/Virgo GWTC-2 catalog to study the primary mass distribution of the merging black holes. We perform hierarchical Bayesian analysis, and examine whether the mass…
Search for High-Energy Neutrino Emission from Radio-Bright AGN
Bei Zhou, Marc Kamionkowski, Yun-feng Liang
We investigate the possibility that radio-bright active galactic nuclei (AGN) are responsible for the TeV--PeV neutrinos detected by IceCube. We use an unbinned maximum-likelihood-…
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…
Revisiting the analysis of axion-like particles with the Fermi-LAT gamma-ray observation of NGC1275
Ji-Gui Cheng, Ya-Jun He, Yun-Feng Liang +2
In this work, we re-analyze the Fermi-LAT observation of NGC 1275 to search for axion-like particle (ALP) effects and constrain ALP parameters. Instead of fitting the observed spec…
GW190521 and the GWTC-1 Events: Implication on the Black Hole Mass Function of Coalescing Binary Black Hole Systems
Yuan-Zhu Wang, Shao-Peng Tang, Yun-Feng Liang +5
With the black hole mass function (BHMF; assuming an exponential cutoff at a mass of ) of coalescing binary black hole systems constructed with the events detecte…
Evidence for gravitational-wave dominated emission in the central engine of short GRB 200219A
Hou-Jun Lü, Yong Yuan, Lin Lan +7
GRB 200219A is a short gamma-ray burst (GRB) with an extended emission (EE) lasting s. By analyzing data observed with the {\em Swift}/BAT and {\em Fermi}/GBM, we find tha…
Diffuse gamma-ray emission toward the massive star-forming region, W40
Xiao-Na Sun, Rui-Zhi Yang, Yun-Feng Liang +4
We report the detection of high-energy gamma-ray signal towards the young star-forming region, W40. Using 10-year Pass 8 data from the Fermi Large Area Telescope (Fermi-LAT), we ex…
Searching for the possible signal of the photon-axionlike particle oscillation in the combined GeV and TeV spectra of supernova remnants
Zi-Qing Xia, Yun-Feng Liang, Lei Feng +3
The conversion between photons and axionlike particles (ALPs) in the Milky Way magnetic field could result in the detectable oscillation phenomena in -ray spectra of Galactic so…
DmpIRFs and DmpST: DAMPE Instrument Response Functions and Science Tools for Gamma-Ray Data Analysis
Kai-Kai Duan, Wei Jiang, Yun-Feng Liang +15
GeV gamma ray is an important observation target of DArk Matter Particle Explorer (DAMPE) for indirect dark matter searching and high energy astrophysics. We present in this work a…
Search for GeV flare coincident with the IceCube neutrino flare
Yun-Feng Liang, Hao-Ning He, Neng-Hui Liao +3
Recently the IceCube collaboration and 15 other collaborations reported the spatial and temporal coincidence between the neutrino event IceCube-170922A and the radio-TeV activity o…
Multi-color blackbody emission in GRB 081221
Shu-Jin Hou, Bin-Bin Zhang, Yan-Zhi Meng +9
The radiation mechanism of the prompt emission of gamma-ray bursts (GRBs) remains an open question. Although their spectra are usually well fitted with the empirical Band function,…
High-energy neutrino flare from cloud-jet interaction in the blazar PKS 0502+049
Hao-Ning He, Yoshiyuki Inoue, Susumu Inoue +1
Following the detection of a 300 TeV neutrino potentially associated with the flaring blazar TXS 0506+056, an excess of neutrinos around its position in 2014-2015 was reveale…