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Related papers: Detectors for the Gamma-Ray Resonant Absorption (G…

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The development of a mm-spatial-resolution, resonant-response detector based on a micrometric glass capillary array filled with liquid scintillator is described. This detector was developed for Gamma Resonance Absorption (GRA) in 14N. GRA…

Instrumentation and Detectors · Physics 2015-05-27 M. Brandis , M. B. Goldberg , D. Vartsky , E. Friedman , I. Kreslo , I. Mardor , V. Dangendorf , S. Levi , I. Mor , D. Bar

The Gamma-Ray Integrated Detectors (GRID) are a space science mission that employs compact gamma-ray detectors mounted on NanoSats in low Earth orbit (LEO) to monitor the transient gamma-ray sky. Owing to the unpredictability of the time…

In this review we show that the space experiment with gamma-ray detector with sensitivity 2 orders of magnitude higher than existing ones will make it possible to discover up to a thousand neutron star mergers, even at those moments when…

High Energy Astrophysical Phenomena · Physics 2024-08-27 Vladimir Lipunov , Sergey Svertilov , Vladislav Topolev

Gamma Ray Bursts (GRBs) are a powerful probe of the high redshift Universe. We present a tool to estimate the detection rate of high-z GRBs by a generic detector with defined energy band and sensitivity. We base this on a population model…

Oriented object detection, an emerging task in recent years, aims to identify and locate objects across varied orientations. This requires the detector to accurately capture the orientation information, which varies significantly within and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Jiangshan Wang , Yifan Pu , Yizeng Han , Jiayi Guo , Yiru Wang , Xiu Li , Gao Huang

The detection of astrophysical Gamma-Ray Bursts (GRBs) has always been intertwined with the challenge of identifying the direction of the source. Accurate angular localization of better than a degree has been achieved to date only with…

Instrumentation and Methods for Astrophysics · Physics 2021-02-25 Roi Rahin , Luca Moleri , Alex Vdovin , Amir Feigenboim , Solomon Margolin , Shlomit Tarem , Ehud Behar , Max Ghelman , Alon Osovizky

If $\gamma$-ray bursts (GRBs) are accompanied by gravitational wave bursts (GWBs) the correlated output of two gravitational wave detectors evaluated in the moments just prior to a GRB will differ from that evaluated at times not associated…

General Relativity and Quantum Cosmology · Physics 2010-01-06 Lee Samuel Finn , Soumya D. Mohanty , Joseph D. Romano

We describe an atom interferometric gravitational wave detector design that can operate in a resonant mode for increased sensitivity. By oscillating the positions of the atomic wavepackets, this resonant detection mode allows for coherently…

Atomic Physics · Physics 2016-11-15 Peter W. Graham , Jason M. Hogan , Mark A. Kasevich , Surjeet Rajendran

Gamma-Ray Bursts (GRBs) afterglows are rapidly decaying signals that pose significant detection challenges, requiring improved methods to track their temporal evolution. In this study, we systematically compare various techniques for…

High Energy Astrophysical Phenomena · Physics 2025-09-23 Léo Le Moigne , Mathieu de Bony de Lavergne , Armand Fiasson , Edna Ruiz-Velasco , David Sanchez , Kenta Terauchi

Project GRAND presents the results of a search for coincident high-energy gamma ray events in the direction and at the time of nine Gamma Ray Bursts (GRBs) detected by BATSE. A gamma ray has a non-negligible hadron production cross section;…

Astrophysics · Physics 2007-05-23 T. F. Lin , J. Carpenter , S. Desch , J. Gress , J. Poirier , A. Roesch

Since the discovery of Gamma-Ray Bursts (GRBs), attempts have been made to detect correlated optical transient emission from these objects. In January 1999, the ROTSE I robotic telescope detected a bright optical flash simultaneous with a…

Astrophysics · Physics 2007-05-23 Eliana Palazzi , Elena Pian

There is no consensus on the emission mechanism of $\gamma$-ray bursts (GRBs). A synchrotron model can produce $\gamma$-ray spectra with the empirical Band function form, from a piece-wise two-power-law electron energy distribution (2EPLS).…

High Energy Astrophysical Phenomena · Physics 2019-09-06 Bruce Grossan , Pawan Kumar , George F. Smoot

The anticoincidence shield (ACS) of the INTEGRAL-spectrometer SPI consists of 512 kg of BGO crystals. This massive scintillator allows the measurement of gamma-ray bursts (GRBs) with a very high sensitivity. Estimations have shown that with…

Astrophysics · Physics 2009-11-07 A. von Kienlin , N. Arend , Giselher G. Lichti

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. The second GRID detector, GRID-02, was launched in 2020.…

Instrumentation and Methods for Astrophysics · Physics 2021-12-21 Huaizhong Gao , Dongxin Yang , Jiaxing Wen , Xutao Zheng , Ming Zeng , Jirong Cang , Weihe Zeng , Xiaofan Pan , Qimin Zhou , Yihui Liu , Hua Feng , Binbin Zhang , Zhi Zeng , Yang Tian , GRID Collaboration

Crosscorrelation of the outputs of two Gravitational Wave (GW) detectors has recently been proposed [1] as a method for detecting statistical association between GWs and Gamma Ray Bursts (GRBs). Unfortunately, the method can be effectively…

Astrophysics · Physics 2009-11-07 G. Modestino , A. Moleti

Neutron Resonance Transmission Analysis (NRTA) is a spectroscopic technique which uses the resonant absorption of neutrons in the epithermal range to infer the isotopic composition of an object. This spectroscopic technique has relevance in…

Instrumentation and Detectors · Physics 2021-05-19 Ethan A. Klein , Farheen Naqvi , Jacob E. Bickus , Hin Y. Lee , Robert J. Goldston , Areg Danagoulian

$\gamma$-ray spectroscopy of fission fragments is a powerful method for studies of nuclear structure properties. Recent results on the spectroscopy of fission fragments, using the combination of the AGATA $\gamma$-ray tracking array and the…

Nuclear Experiment · Physics 2023-06-22 A. Lemasson , J. Dudouet , M. Rejmund , J. Ljungvall , A. Görgen , W. Korten

Both observational and theoretical rates of binary neutron star coalescence give low prospects for detection of a single event by the initial LIGO/VIRGO interferometers. However, by utilizing at the best all the a priori information on the…

Astrophysics · Physics 2007-05-23 S. Bonazzola , E. Gourgoulhon

The energetic bremsstrahlung photons up to 100 MeV produced in heavy ion collisions can be used as a sensitive probe to the short range correlation in atomic nuclei. The energy of the $\gamma$-rays can be measured by collecting the…

Instrumentation and Detectors · Physics 2025-06-09 Dawei Si , Yan Zhou , Sheng Xiao , Zhigang Xiao
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