289 citations · 1.7k across the 50 of their papers we have counts for
51 papers
X-ray Polarimetry of the accreting pulsar 1A~0535+262 in the supercritical state with PolarLight
Xiangyun Long, Hua Feng, Hong Li +25
The X-ray pulsar 1A 0535+262 exhibited a giant outburst in 2020, offering us a unique opportunity for X-ray polarimetry of an accreting pulsar in the supercritical state. Measureme…
GRB 220408B: A Three-Episode Burst from a Precessing Jet
Zijian Zhang, Yihan Yin, Chenyu Wang +27
Jet precession has previously been proposed to explain the apparently repeating features in the light curves of a few gamma-ray bursts (GRBs). In this {\it Letter}, we further appl…
GECAM Localization of High Energy Transients and the Systematic Error
Yi Zhao, Wang-Chen Xue, Shao-Lin Xiong +63
Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) is a pair of microsatellites (i.e. GECAM-A and GECAM-B) dedicated to monitoring gamma-ray transie…
A feasibility study of multi-electrode high-purity germanium detector for Ge-76 neutrinoless double beta decay searching
Jingzhe Yang, Yang Tian, Wenhan Dai +7
Experiments to search for neutrinoless double-beta (0ν\b{eta}\b{eta}) decay of 76Ge using a high-purity germanium (HPGe) detector rely heavily on background suppression technologie…
In-orbit Radiation Damage Characterization of SiPMs in the GRID-02 CubeSat Detector
Xutao Zheng, Huaizhong Gao, Jiaxing Wen +15
Recently, silicon photomultipliers (SiPMs) have been used in several space-borne missions, owing to their solid state, compact size, low operating voltage, and insensitivity to mag…
The Optimal Beam-loading in Two-bunch Nonlinear Plasma Wakefield Accelerators
Xiaoning Wang, Jie Gao, Qianqian Su +7
Due to the highly nonlinear nature of the beam-loading, it is at present not possible to analytically determine the beam parameters needed in a two-bunch plasma wakefield accelerat…
A significant detection of X-ray Polarization in Sco X-1 with PolarLight and constraints on the corona geometry
Xiangyun Long, Hua Feng, Hong Li +23
We report the detection of X-ray polarization in the neutron star low mass X-ray binary Scorpius (Sco) X-1 with PolarLight. The result is energy dependent, with a non-detection in…
EuCAPT White Paper: Opportunities and Challenges for Theoretical Astroparticle Physics in the Next Decade
R. Alves Batista, M. A. Amin, G. Barenboim +134
Astroparticle physics is undergoing a profound transformation, due to a series of extraordinary new results, such as the discovery of high-energy cosmic neutrinos with IceCube, the…
Scissor-cross ionization injection in laser wakefield accelerators
Jia Wang, Ming Zeng, Xiaoning Wang +2
We propose to use a frequency doubled pulse colliding with the driving pulse at an acute angle to trigger ionization injection in a laser wakefield accelerator. This scheme effecti…
On-ground calibrations of the GRID-02 gamma-ray detector
Huaizhong Gao, Dongxin Yang, Jiaxing Wen +12
The Gamma-Ray Integrated Detectors (GRID) are a space project to monitor the transient gamma-ray sky in the multi-messenger astronomy era using multiple detectors on-board CubeSats…
GRB 210121A: A Typical Fireball Burst Detected by Two Small Missions
Xiangyu Ivy Wang, Xutao Zheng, Shuo Xiao +48
The Chinese CubeSat Mission, Gamma Ray Integrated Detectors (GRID), recently detected its first gamma-ray burst, GRB 210121A, which was jointly observed by the Gravitational wave h…
Optimization of Timepix3-based conventional Compton camera using electron track algorithm
Jiaxing Wen, Xutao Zheng, Huaizhong Gao +7
The hybrid pixel detector Timepix3 allows the measurement of the time and energy deposition of an event simultaneously in each 55 m pixel, which makes Timepix3 a promising appro…
Diagnostics for ultrashort X-ray pulses using silicon trackers
Jiaxing Wen, Minghai Yu, Yuchi Wu +8
The spectrum of laser-plasma generated X-rays is very important, it characterizes electron dynamics in plasma and is basic for applications. However, the accuracies and efficiencie…
X-ray polarimetry of the Crab nebula with PolarLight: polarization recovery after the glitch and a secular position angle variation
Xiangyun Long, Hua Feng, Hong Li +24
We report follow-up observations of the Crab nebula with the PolarLight X-ray polarimeter, which revealed a possible variation in polarization associated with a pulsar glitch in 20…
Compact CubeSat Gamma-Ray Detector for GRID Mission
Jia-Xing Wen, Xu-Tao Zheng, Jian-Dong Yu +18
Gamma-Ray Integrated Detectors (GRID) mission is a student project designed to use multiple gamma-ray detectors carried by nanosatellites (CubeSats), forming a full-time all-sky ga…
Radiation Reaction of Betatron Oscillation in Plasma Wakefield Accelerators
Ming Zeng, Keita Seto
A classical model of radiation reaction for the betatron oscillation of an electron in a plasma wakefield accelerator is presented. The maximum energy of the electron due to the lo…
Discrimination of background events in the PolarLight X-ray polarimeter
Jiahuan Zhu, Hong Li, Hua Feng +22
PolarLight is a space-borne X-ray polarimeter that measures the X-ray polarization via electron tracking in an ionization chamber. It is a collimated instrument and thus suffers fr…
Modeling the in-orbit background of PolarLight
Jiahui Huang, Hua Feng, Hong Li +23
PolarLight is a gas pixel X-ray polarimeter mounted on a CubeSat, which was launched into a Sun-synchronous orbit in October 2018. We build a mass model of the whole CubeSat with t…
Re-detection and a Possible Time Variation of Soft X-ray Polarisation from the Crab
Hua Feng, Hong Li, Xiangyun Long +24
The Crab nebula is so far the only celestial object with a statistically significant detection in soft x-ray polarimetry, a window that has not been explored in astronomy since the…
In-orbit Operation and Performance of the CubeSat Soft X-ray Polarimeter PolarLight
Hong Li, Xiangyun Long, Hua Feng +21
PolarLight is a compact soft X-ray polarimeter onboard a CubeSat, which was launched into a low-Earth orbit on October 29, 2018. In March 2019, PolarLight started full operation, a…
Ponderomotive Injection in Plasma Wakefield Accelerators
Ming Zeng, Alberto Martinez de la Ossa, Jens Osterhoff
A new electron injection scheme is proposed in sub-relativistic plasma wakefield accelerators. A transverse laser ionizes a dopant gas and ponderomotively accelerates the released…
Controlled density-downramp injection in a beam-driven plasma wakefield accelerator
Alexander Knetsch, Bridget Sheeran, Lewis Boulton +26
This paper describes the utilization of beam-driven plasma wakefield acceleration to implement a high-quality plasma cathode via density-downramp injection in a short injector stag…
First experimental constraints on WIMP couplings in the effective field theory framework from CDEX
Y. Wang, Z. Zeng, Q. Yue +85
We present weakly interacting massive particles (WIMPs) search results performed using two approaches of effective field theory from the China Dark Matter Experiment (CDEX), based…
Improved limits on solar axions and bosonic dark matter from the CDEX-1B experiment using the profile likelihood ratio method
Y. Wang, Q. Yue, S. K. Liu +77
We present the improved constraints on couplings of solar axions and more generic bosonic dark matter particles using 737.1 kg-days of data from the CDEX-1B experiment. The CDEX-1B…