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Automotive radar sensors play a key role in the current development of advanced driver assistance systems (ADAS). Their ability to detect objects even under adverse weather conditions makes them indispensable for environment-sensing tasks…

信号处理 · 电气工程与系统科学 2024-10-28 Axel Diewald , Benjamin Nuss , Johannes Galinsky , Thomas Zwick

Light antinucleus yields are calculated in a multiphase transport model (AMPT) coupled with a dynamical coalescence model. The model is tuned to reproduce the transverse momentum and rapidity distributions of antiproton in $pp$ collisions…

高能物理 - 唯象学 · 物理学 2022-06-22 Tianhao Shao , Jinhui Chen , Yu-Gang Ma , Zhangbu Xu

Surface detector arrays are designed to measure the spectrum and composition of high-energy cosmic rays by detecting the secondary particle flux of the Extensive Air Showers (EAS) induced by the primary cosmic rays. Electromagnetic…

天体物理学 · 物理学 2008-11-26 Fabian Schmidt , Maximo Ave , Lorenzo Cazon , Aaron Chou

Long duration Gamma-Ray Bursts (LGRBs) may serve as standard candles to constrain cosmological parameters by probing the Hubble diagram well beyond the range of redshift currently accessible using type-Ia supernovae. The standardization of…

高能天体物理现象 · 物理学 2019-12-30 F. Fana Dirirsa , S. Razzaque , F. Piron , M. Arimoto , M. Axelsson , D. Kocevski , F. Longo , M. Ohno , S. Zhu

Associated particle imaging (API) is a non-destructive nuclear technique for the 3D determination of isotopic distributions. By detecting the alpha particle associated with the emitted neutron in the deuterium-tritium fusion reaction with a…

仪器与探测器 · 物理学 2021-06-01 Mauricio Ayllon Unzueta , Bernhard Ludewigt , Brian Mak , Tanay Tak , Arun Persaud

Hadronic cosmic particles (cosmic rays) and gamma rays are constantly absorbed in the Earth's atmosphere and result in air showers of secondary particles. Cherenkov radiation from these atmospheric events is used to measure cosmic gamma…

高能天体物理现象 · 物理学 2025-09-05 Clara E. Leitgeb , Robert D. Parsons , Andrew M. Taylor , Kenneth J. Ragan , David Berge , Cigdem Issever

Cosmic rays are nowadays a crucial tool to study the astrophysics of extreme objects in the Universe, the cosmic environmental plasma (both Galactic and extra-galactic), the physics of nuclear interactions or the properties of elementary…

高能天体物理现象 · 物理学 2022-02-16 Pedro de la Torre Luque

The total luminosity and spectral shape of the non-thermal emission produced by cosmic rays depends on their interstellar environment, a dependence that gives rise to correlations between galaxies' bulk properties -- star formation rate,…

高能天体物理现象 · 物理学 2023-05-31 Matt A. Roth , Mark R. Krumholz , Roland M. Crocker , Todd A. Thompson

The Compton Spectrometer and Imager (COSI) is a balloon-borne gamma-ray (0.2-5 MeV) telescope designed to study astrophysical sources. COSI employs a compact Compton telescope design utilizing 12 high-purity germanium double-sided strip…

Ground-based 21-cm experiments targeting the global signal from the periods of Cosmic Dawn (CD) and Epoch of Reionization (EoR) are susceptible to adverse effects presented by i) the ionosphere ii) antenna chromaticity induced by objects in…

天体物理仪器与方法 · 物理学 2023-08-08 Sonia Ghosh , Mayuri Sathyanarayana Rao , Saurabh Singh

Interactions of grazing incidence, ultra high energy cosmic rays with the earth's atmosphere may provide a new method of studying energetic cosmic rays with gamma-ray satellites. It is found that these cosmic ray interactions may produce…

天体物理学 · 物理学 2010-11-01 Andrew Ulmer

Detailed simulations of the gamma-ray sky played an important role before the launch of Fermi. Pre-launch simulation campaigns aided the development of new analysis tools and the assessment of the expected Fermi-LAT science performance.…

高能天体物理现象 · 物理学 2019-08-14 M. Razzano

The Compton Spectrometer and Imager (COSI) is a Compton telescope designed to survey the 0.2 - 5 MeV sky, consisting of a compact array of cross-strip germanium detectors. It is planned to be launched in 2027 into an equatorial low-Earth…

ARTUS is an event-based data-processing framework for high energy physics experiments. It is designed for large-scale data analysis in a collaborative environment. The architecture design choices take into account typical challenges and are…

高能物理 - 实验 · 物理学 2015-11-04 Joram Berger , Fabio Colombo , Raphael Friese , Dominik Haitz , Thomas Hauth , Thomas Müller , Günter Quast , Georg Sieber

This perspective introduces attosecond path qubits: measurement-defined two-level subsystems that arise naturally in strong-field physics from the coherent interference of distinguishable quantum pathways. These effective qubits are…

光学 · 物理学 2026-01-14 Oren Cohen

The Abstraction and Reasoning Corpus for Artificial General Intelligence (ARC-AGI), introduced in 2019, established a challenging benchmark for evaluating the general fluid intelligence of artificial systems via a set of unique, novel tasks…

人工智能 · 计算机科学 2026-01-19 Francois Chollet , Mike Knoop , Gregory Kamradt , Bryan Landers , Henry Pinkard

RF sensor networks are used to localize people indoor without requiring them to wear invasive electronic devices. These wireless mesh networks, formed by low-power radio transceivers, continuously measure the received signal strength (RSS)…

网络与互联网体系结构 · 计算机科学 2014-08-01 Cesare Alippi , Maurizio Bocca , Giacomo Boracchi , Neal Patwari , Manuel Roveri

Ongoing experimental efforts to detect cosmic sources of high energy neutrinos are guided by the expectation that astrophysical accelerators of cosmic ray protons would also generate neutrinos through interactions with ambient matter and/or…

天体物理学 · 物理学 2014-10-13 Luis A. Anchordoqui , Dan Hooper , Subir Sarkar , Andrew M. Taylor

Radio arrays provide a scalable route to detecting extensive air showers from ultra-high-energy cosmic rays, but trigger studies for candidate layouts are expensive when every energy, arrival direction, core position and trigger…

天体物理仪器与方法 · 物理学 2026-05-29 Xin Xu , Pengfei Zhang , Fufu Yang , Pengxiong Ma , Ramesh Koirala , Chao Zhang

Employing the 12 NaI detectors in the Fermi GBM, the Earth Occultation Technique (EOT) can be used to measure the fluxes of x-ray and gamma-ray sources. Each time a source passes behind the Earth (or emerges from behind the Earth), a…