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GRETA, the Gamma-Ray Energy Tracking Array, is an array of highly-segmented HPGe detectors designed to track gamma-rays emitted in beam-physics experiments. Its high detection efficiency and state-of-the-art position resolution make it…

Instrumentation and Detectors · Physics 2021-07-05 Robert Crabbs , I-Yang Lee , Kai Vetter

Automatic meter reading technology is not yet widespread. Gas, electricity, or water accumulation meters reading is mostly done manually on-site either by an operator or by the homeowner. In some countries, the operator takes a picture as…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 Ashkan Ebadi , Patrick Paul , Sofia Auer , Stéphane Tremblay

The Atacama Large Millimeter/submillimeter Array (ALMA) combines large collecting area and location on a high dry site to provide it with unparalleled potential for sensitive millimeter/submillimeter spectral line observations. Its wide…

Astrophysics · Physics 2008-11-26 Alwyn Wootten

Scattering measurements with incident linearly polarized $\gamma$ rays provide information on spins, parities, and $\gamma$-ray multipolarity mixing coefficients, and, therefore, on the nuclear matrix elements involved in the transitions.…

Nuclear Experiment · Physics 2021-06-18 Christian Iliadis , Udo Friman-Gayer

AGILE is a mission of the Italian Space Agency (ASI) Scientific Program dedicated to gamma-ray astrophysics, operating in a low Earth orbit since April 23, 2007. It is designed to be a very light and compact instrument, capable of…

In this thesis a measurement of the high energy $\gamma$-ray flux between 200 MeV and 1 TeV with the Alpha Magnetic Spectrometer is presented. The Alpha Magnetic Spectrometer (AMS-02) is a multi-purpose particle detector mounted externally…

High Energy Astrophysical Phenomena · Physics 2020-07-17 Bastian Beischer

We present a numerical and experimental study of the impact of phase errors on the performance of large, high-resolution Arrayed Waveguide Gratings (AWG) for applications in astronomy. We use a scalar diffraction model to study the…

Instrumentation and Methods for Astrophysics · Physics 2021-07-15 Andreas Stoll , Kalaga Madhav , Martin Roth

ALMA (Atacama Large Millimeter/submillimeter Array) is the world's largest ground-based facility for observations in the millimeter/submillimeter regime. One of ALMA's outstanding characteristics is the large effort dedicated to the quality…

Instrumentation and Methods for Astrophysics · Physics 2021-01-12 Theodoros Nakos , Harold Francke , Kouichiro Nakanishi , Dirk Petry , Thomas Stanke , Catarina Ubach , Luciano Cerrigone , Erica Keller , Alfonso Trejo , Junko Ueda

Subgraph matching has garnered increasing attention for its diverse real-world applications. Given the dynamic nature of real-world graphs, addressing evolving scenarios without incurring prohibitive overheads has been a focus of research.…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-01-31 Linshan Qiu , Lu Chen , Hailiang Jie , Xiangyu Ke , Yunjun Gao , Yang Liu , Zetao Zhang

This paper introduces temporally local metrics for Multi-Object Tracking. These metrics are obtained by restricting existing metrics based on track matching to a finite temporal horizon, and provide new insight into the ability of trackers…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Jack Valmadre , Alex Bewley , Jonathan Huang , Chen Sun , Cristian Sminchisescu , Cordelia Schmid

In this paper, we review the prospects for studies of active galactic nuclei (AGN) using the envisioned future Cherenkov Telescope Array (CTA). This review focuses on jetted AGN, which constitute the vast majority of AGN detected at…

High Energy Astrophysical Phenomena · Physics 2012-08-30 A. Reimer , M. Boettcher

A scintillating fiber array measurement system for gross beta is developed to achieve real-time monitoring of radioactivity in drinking water. The detector consists of 1,096 scintillating fibers, both sides of the fibers connect to a…

Instrumentation and Detectors · Physics 2017-07-20 Wenhui Lu , Hongchang Yi , Tongqing Liu , Zhi Zeng , Junli Li , Hui Zhang , Hao Ma

Fine-grained network telemetry is becoming a modern datacenter standard and is the basis of essential applications such as congestion control, load balancing, and advanced troubleshooting. As network size increases and telemetry gets more…

Networking and Internet Architecture · Computer Science 2023-08-11 Jonatan Langlet , Ran Ben Basat , Gabriele Oliaro , Michael Mitzenmacher , Minlan Yu , Gianni Antichi

Detection of $\gamma$-ray polarization in Positron Emission Tomography (PET) is as yet an unexploited feature that could be used as an additional handle to improve signal-to-background ratio in this imaging modality. The $\gamma$…

Instrumentation and Detectors · Physics 2022-08-17 Siddharth Parashari , Mihael Makek , Tomislav Bokulić , Damir Bosnar , Ana Marija Kožuljević , Zdenka Kuncic , Petar Žugec

More powerful feature representations derived from deep neural networks benefit visual tracking algorithms widely. However, the lack of exploitation on temporal information prevents tracking algorithms from adapting to appearances changing…

Computer Vision and Pattern Recognition · Computer Science 2019-08-05 Tao Hu , Lichao Huang , Xianming Liu , Han Shen

With the advance in genome sequencing technology, the lengths of deoxyribonucleic acid (DNA) sequencing results are rapidly increasing at lower prices than ever. However, the longer lengths come at the cost of a heavy computational burden…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-12 Seongyeon Park , Junguk Hong , Jaeyong Song , Hajin Kim , Youngsok Kim , Jinho Lee

Advances in scintillation crystal and Silicon PhotoMultiplier (SiPM) technologies have enabled the development of compact, lightweight, and low-power radiation detectors that are suitable for integration with Unmanned Aerial Vehicles…

Instrumentation and Detectors · Physics 2025-10-29 Lysander Miller , Airlie Chapman , James Kennedy , Richard Hebden , Jeremy M. C. Brown

The gamma-ray detector AGILE, operating in the energy range from 30 MeV to 50 GeV, is composed by a tracking part, a light calorimeter and an anticoincidence system. Here we describe the detector and its capabilities to determine the…

Atacama Large Millimeter/Submillimeter Array (ALMA) is promising to be a powerful tool for precision astrometry of the area around Sagittarius A$^\ast$ (Sgr A$^\ast$) because it has the high angular resolution, high sensitivity, and wide…

Astrophysics of Galaxies · Physics 2022-06-08 Masato Tsuboi , Takahiro Tsutsumi , Atsushi Miyazaki , Ryosuke Miyawaki , Makoto Miyoshi