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Understanding dark matter is one of the most urgent questions in modern physics. A very interesting candidate is primordial black holes (PBHs; Carr2016). For the mass ranges of $< 10^{-16} M_{\odot}$ and $> 100 M_{\odot}$, PBHs have been…

高能天体物理现象 · 物理学 2023-06-28 Simon C. -C. Ho , Tetsuya Hashimoto , Tomotsugu Goto , Yu-Wei Lin , Seong Jin Kim , Yuri Uno , Tiger Y. -Y. Hsiao

To probe this question, we perform a statistical analysis using the first Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst (CHIME/FRB) catalog and identify a few discriminant properties between repeating and non-repeating…

高能天体物理现象 · 物理学 2022-03-09 Shu-Qing Zhong , Wen-Jin Xie , Can-Min Deng , Long Li , Zi-Gao Dai , Hai-Ming Zhang

We present a statistical analysis of the extremely bright, apparently non-repeating fast radio burst FRB 20250316A, detected by the Canadian Hydrogen Intensity Mapping Experiment (CHIME), to assess its rarity. Using a model-agnostic…

高能天体物理现象 · 物理学 2026-04-14 Wen-Long Zhang , Jun-Jie Wei

Fast radio bursts (FRBs) are extremely strong radio flares lasting several milliseconds, most of which come from unidentified objects at a cosmological distance. They can be apparently repeating or not. In this paper, we analyzed 18…

Observationally, the mysterious fast radio bursts (FRBs) are classified as repeating ones and apparently non-repeating ones. While repeating FRBs cannot be classified into the non-repeating group, it is unknown whether the apparently…

高能天体物理现象 · 物理学 2022-11-30 Jia-Wei Luo , Jia-Ming Zhu-Ge , Bing Zhang

We present a Monte Carlo-based population synthesis study of fast radio burst (FRB) dispersion and scattering focusing on the first catalog of sources detected with the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst…

We present Effelsberg 100-m telescope observations of the hyperactive repeating fast radio burst source FRB 20240110A, discovered by CHIME/FRB in January 2024. Using the Ultra BroadBand (UBB) receiver, spanning 1.3-6.0 GHz, we detected over…

高能天体物理现象 · 物理学 2026-05-06 P. Limaye , L. G. Spitler , N. Manaswini , J. Benáček , F. Eppel , M. Kadler , L. Nicotera , J. Wongphechauxsorn

We have used the 2- year Differential Microwave Radiometer data from the COsmic Background Explorer (COBE) satellite to systematically search for millimetric (31 - 90 GHz) emission from the Gamma Ray Bursts (GRBs) in the Burst And Transient…

天体物理学 · 物理学 2009-10-30 S. Ali , R. K. Schaefer , M. Limon , L. Piccirillo

The sensitivity of radio telescopes is becoming increasingly limited by the presence of radio frequency interference (RFI), which will worsen as the radio spectrum becomes more crowded. One context where this poses a challenge is the field…

We present a pilot study on the host galaxy environments of CHIME/FRBs by cross-matching baseband-localised events with the LOFAR Two-metre Sky Survey Data Release 2 (LoTSS DR2) at 144 MHz. Unlike traditional methods reliant on optical…

Fast radio bursts (FRBs) are extremely strong radio flares lasting several micro- to milliseconds and come from unidentified objects at cosmological distances, most of which are only seen once. Based on recently published data in the…

Fast radio bursts (FRBs) represent one of the most exciting astrophysical discoveries of the recent past. The study of their low-frequency emission, which was only effectively picked up about ten years after their discovery, has helped…

高能天体物理现象 · 物理学 2022-03-10 Maura Pilia

Fast radio bursts (FRBs) are a $\sim$ millisecond-long transient phenomenon that propagate across extragalactic distances and are effectively a point source. Radio wave propagation through inhomogeneous distributions of plasma can act as a…

Aims. Fast Radio Bursts are bright radio transients whose origin has not yet explained. The search for a multi-wavelength counterpart of those events can put a tight constrain on the emission mechanism and the progenitor source. Methods. We…

Redshift and luminosity distributions are essential for understanding the cosmic evolution of extragalactic objects and phenomena, such as galaxies, gamma-ray bursts, and fast radio bursts (FRBs). For FRBs, these distributions are primarily…

高能天体物理现象 · 物理学 2025-06-12 Om Gupta , Paz Beniamini , Pawan Kumar , Steven L. Finkelstein

This paper investigates the utility of Fast Radio Bursts (FRBs) as novel observational probes to constrain models of interacting dark energy (IDE). By leveraging FRB dispersion measures (DMs) and redshifts, we perform a comprehensive…

宇宙学与河外天体物理 · 物理学 2025-07-23 Hang Yan , Yu Pan , Jia-Xin Wang , Wen-Xiao Xu , Ze-Hui Peng

Gamma-ray Bursts (GRB) were discovered by satellite-based detectors as powerful sources of transient $\gamma$-ray emission. The Fermi satellite detected an increasing number of these events with its dedicated Gamma-ray Burst Monitor (GBM),…

天体物理仪器与方法 · 物理学 2021-09-29 G. La Mura , U. Barres de Almeida , R. Conceição , A. De Angelis , F. Longo , M. Pimenta , E. Prandini , E. Ruiz-Velasco , B. Tomé