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On 25 October 2012 the Reuven Ramaty High Energy Solar Spectroscope Imager (RHESSI) and the Tropical Rainfall Measuring Mission (TRMM) satellites passed over a thunderstorm on the coast of Sri Lanka. RHESSI observed a terrestrial gamma ray…

空间物理 · 物理学 2017-08-25 Thomas Gjesteland , Nikolai Østgaard , Phillip Bitzer , Hugh J. Christian

We report on a study of sub-TeV ($E_\gamma > 10$ GeV) gamma-ray-induced muon secondaries in coincidence with BATSE gamma ray bursts (GRBs). Each TeV gamma ray striking the atmosphere produces $\approx$0.2 muons whose identity and angle can…

天体物理学 · 物理学 2007-05-23 J. Poirier , C. D'Andrea , P. C. Fragile , J. Gress , G. J. Mathews , D. Race

There is growing evidence that long and hard gamma-ray bursts (GRBs), discovered at redshifts between 0.4 and 3.4, are related to some type of supernova (SN) explosions. The GRB ejecta are ultra-relativistic, and possibly beamed. There is a…

天体物理学 · 物理学 2007-05-23 Bohdan Paczynski

Gamma-ray bursts (GRBs) are a mixed class of sources consisting of, at least, the long duration and short-hard subclasses, the X-ray flashes, and the low-luminosity GRBs. In all cases, the release of enormous amounts of energy on a short…

天体物理学 · 物理学 2008-09-24 Charles D. Dermer , Chris L. Fryer

Observations of strong flux of low-energy neutrons were made by $^{3}\mathrm{He}$ counters during thunderstorms [Gurevich et al (Phys. Rev. Lett. 108, 125001, 2012)]. How the unprecedented enhancements were produced remains elusive. To…

地球与行星天体物理 · 物理学 2015-06-19 H. Tsuchiya

In the first two years since the launch of the Fermi Observatory, the Gamma-ray Burst Monitor (GBM) has detected over 500 Gamma-Ray Bursts (GRBs), of which 18 were confidently detected by the Large Area Telescope (LAT) above 100 MeV.…

高能天体物理现象 · 物理学 2022-03-02 Elisabetta Bissaldi

During the last 35 years three giant flares were observed from so-called Soft Gamma Repeaters (SGR's). They are assumed to be associated with star-quakes of pulsars accelerating electrons and, possibly, protons to high energy in the huge…

天体物理学 · 物理学 2007-05-23 Francis Halzen , Hagar Landsman , Teresa Montaruli

We report on the source of greater than 300 MeV protons during the SOL2014-09-01 sustained gamma-ray emission (SGRE) event based on multi-wavelength data from a wide array of space- and ground-based instruments. Based on the eruption…

太阳与恒星天体物理 · 物理学 2020-02-19 N. Gopalswamy , P. Mäkelä , S. Yashiro , H. Xie , S. Akiyama , N. Thakur

We assess the capabilities of a ground-based gamma-ray observatory to detect astrophysical neutrinos with energies in the $100\,{\rm TeV}$ to $100\,{\rm PeV}$ range. The identification of these events would be done through the measurement…

高能物理 - 唯象学 · 物理学 2022-11-16 Jaime Alvarez-Muñiz , Ruben Conceição , Pedro J. Costa , Mário Pimenta , Bernardo Tomé

We report on the 2024 September 9 sustained gamma ray emission (SGRE) event observed by the Large Area Telescope (LAT) onboard the Fermi satellite. The event was associated with a backside solar eruption observed by multiple spacecraft such…

We report the observation of two isolated clouds of positrons inside an active thunderstorm. These observations were made by the Airborne Detector for Energetic Lightning Emissions (ADELE), an array of six gamma-ray detectors, which flew on…

Gravitational-wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM) is a space-borne instrument dedicated to monitoring high-energy transients, including Terrestrial Gamma-ray Flashes (TGFs) and Terrestrial Electron Beams…

We present the first results study of the effects of the powerful Gamma Ray Burst GRB 221009A that occurred on October 9, 2022, and was serendipitously recorded by electron and proton detectors aboard the four spacecraft of the NASA THEMIS…

高能天体物理现象 · 物理学 2023-05-24 O. V. Agapitov , M. Balikhin , A. J. Hull , Y. Hobara , V. Angelopoulos , F. S. Mozer

The number of Gamma-Ray Bursts (GRBs) detected at high energies ($\sim\,0.1-100$ GeV) has seen a rapid increase over the last decade, thanks to observations from the Fermi-Large Area Telescope. The improved statistics and quality of data…

高能天体物理现象 · 物理学 2018-10-17 Lara Nava

The High Altitude Water Cherenkov (HAWC) Gamma-ray Observatory is an extensive air shower detector operating in central Mexico, which has recently completed its first two years of full operations. If for a burst like GRB 130427A at a…

高能天体物理现象 · 物理学 2017-08-07 The HAWC collaboration , R. Alfaro , C. Alvarez , J. D. Álvarez , R. Arceo , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , A. S. Barber , N. Bautista-Elivar , A. Becerril , E. Belmont-Moreno , S. Y. BenZvi , A. Bernal , J. Braun , C. Brisbois , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , M. Castillo , U. Cotti , J. Cotzomi , S. Coutiño de León , E. de la Fuente , C. De León , T. DeYoung , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , R. W. Ellsworth , K. Engel , D. W. Fiorino , N. Fraija , J. A. García-González , F. Garfias , M. Gerhardt , A. González Muñoz , M. M. González , J. A. Goodman , Z. Hampel-Arias , J. P. Harding , A. Hernandez-Almada , S. Hernandez , B. Hona , C. M. Hui , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , D. Kieda , R. J. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis Raya , R. Luna-García , K. Malone , S. S. Marinelli , O. Martinez , I. Martinez-Castellanos , J. Martínez-Castro , H. Martínez-Huerta , J. A. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , L. Nellen , M. Newbold , R. Noriega-Papaqui , R. Pelayo , E. G. Pérez-Pérez , J. Pretz , Z. Ren , C. D. Rho , C. Rivière , D. Rosa-González , M. Rosenberg , E. Ruiz-Velasco , H. Salazar , F. Salesa Greus , A. Sandoval , M. Schneider , H. Schoorlemmer , G. Sinnis , A. J. Smith , R. W. Springer , P. Surajbali , I. Taboada , O. Tibolla , K. Tollefson , I. Torres , T. N. Ukwatta , G. Vianello , T. Weisgarber , S. Westerhoff , J. Wood , T. Yapici , P. W. Younk , A. Zepeda , H. Zhou

The Telescope Array (TA) observatory, located in midwest Utah, USA, is designed to detect ultra high energy cosmic rays whose energy is greater than 1 EeV. TA mainly consists of two types of detector. The first type is the atmospheric…

天体物理仪器与方法 · 物理学 2014-02-03 Takeshi Okuda

We describe and discuss the global properties of 45 gamma-ray bursts (GRBs) observed by HETE-2 during the first three years of its mission, focusing on the properties of X-Ray Flashes (XRFs) and X-ray-rich GRBs (XRRs). We find that the…

Gamma-Ray Bursts (GRBs) are the most energetic electromagnetic explosions in the universe. Recently, the Large High Altitude Air Shower Observatory (LHAASO) reported the breakthrough observation of GRB 221009A with gamma-ray energies beyond…

高能天体物理现象 · 物理学 2026-03-10 Yunlei Huang , Sujie Lin , Soebur Razzaque , Lili Yang , Zijie Huang