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The Cherenkov Telescope Array (CTA) will be able to perform unprecedented observations of the transient very high-energy sky. An on-line science alert generation (SAG) pipeline, with a required 30 second latency, will allow the discovery or…

天体物理仪器与方法 · 物理学 2019-07-19 Valentina Fioretti , Deivid Ribeiro , Thomas B. Humensky , Andrea Bulgarelli , Gernot Maier , Abelardo Moralejo , Cosimo Nigro

A high-granularity telescope system with a large sensitive area and low material budget has been developed for high-energy heavy ion beam tests. The telescope consists of nine layers of silicon microstrip detectors (SSDs), whose performance…

The Cherenkov Telescope Array (CTA) represents the next generation of very high-energy gamma-ray observatory, which will provide broad coverage of gamma rays from 20 GeV to 300 TeV with unprecedented sensitivity. CTA will employ three…

天体物理仪器与方法 · 物理学 2019-07-23 S. Sakurai , D. Depaoli , R. López-Coto

The Advanced GAmma Tracking Array (AGATA) multi detector spectrometer will provide precise information for the study of the properties of the exotic nuclear matter (very unbalanced proton (Z) and neutron (N) numbers) along proton- and…

The Cherenkov Telescope Array (CTA) is the future large observatory in the very high energy (VHE) domain. Operating from 20 GeV to 300 TeV, it will be composed of tens of Imaging Air Cherenkov Telescopes (IACTs) displaced in a large area of…

天体物理仪器与方法 · 物理学 2016-08-18 Valentina Fioretti , Andrea Bulgarelli , Fabian Schussler

The TRACER instrument Transition Radiation Array for Cosmic Energetic Radiation is designed to measure the individual energy spectra of cosmic-ray nuclei in long-duration balloon flights The large geometric factor of TRACER 5 m 2 sr permits…

天体物理学 · 物理学 2015-06-24 P. J. Boyle , M. Ave , F. Gahbauer , C. Hoeppner , J. Hoerandel , M. Ichimura , D. Mueller , A. Romero-Wolf

The Cherenkov Telescope Array (CTA) is the next generation high-energy gamma-ray observatory. It will improve the sensitivity of current instruments up to an order of magnitude, while providing energy coverage for photons from 20 GeV to at…

高能天体物理现象 · 物理学 2019-07-18 Fabian Schüssler

State-of-the-art attosecond metrology deals with the detection and characterization of photon pulses with typical energies up to the hundreds of eV and time resolution of several tens of attoseconds. Such short pulses are used for example…

仪器与探测器 · 物理学 2015-06-04 Andreas Ipp , Jörg Evers , Christoph H. Keitel , Karen Z. Hatsagortsyan

Employing a 40-kW radio-frequency transmitter just west of Delta, UT, and operating at 54.1 MHz, the TARA (Telescope Array RAdar) experiment seeks radar detection of extensive air showers (EAS) initiated by ultra-high energy cosmic rays…

Since May 2011 the AMS-02 experiment is installed on the International Space Station and is observing cosmic radiation. It consists of several state-of-the-art sub-detectors, which redundantly measure charge and energy of traversing…

天体物理仪器与方法 · 物理学 2015-01-09 Andreas Obermeier , Michael Korsmeier

Photoproduction off protons of the $p\pi^0\eta$ three-body final state was studied with the Crystal Barrel/TAPS detector at the electron stretcher accelerator ELSA at Bonn for incident energies from the $\pi^0\eta$ production threshold up…

核实验 · 物理学 2016-08-04 E. Gutz , the CBELSA/TAPS Collaboration

The Cherenkov Telescope Array (CTA) will be the next generation ground based observatory in very high energy gamma ray astronomy. The facility will achieve a wide energy coverage, starting from a threshold of a few tens of GeV up to…

天体物理仪器与方法 · 物理学 2019-08-14 M. K. Daniel , M. Gaug , P. Majumdar

The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider at CERN. In addition to its tracking capabilities, the TRT provides particle identification…

仪器与探测器 · 物理学 2019-08-13 E. Hines

A silicon particle-telescope system for light-ion nuclear reactions is described. In particular, the system is designed to be optimized for level density and gamma-ray strength function measurements with the so-called Oslo method. Eight…

核实验 · 物理学 2011-07-20 M. Guttormsen , A. Bürger , T. E. Hansen , N. Lietaer

Neutron Resonance Transmission Analysis (NRTA) uses resonant absorption of neutrons to infer the absolute isotopic composition of a target object, enabling applications in a broad range of fields such as archaeology, materials analysis of…

仪器与探测器 · 物理学 2020-01-29 Ezra M. Engel , Ethan A. Klein , Areg Danagoulian

The Cherenkov Telescope Array (CTA) is a next-generation ground-based observatory for g -rays with energies between some ten GeV and a few hundred TeV. CTA is currently in the advanced design phase and will consist of arrays with different…

天体物理仪器与方法 · 物理学 2019-08-14 M. Shayduk , S. Vorobiov , U. Schwanke , R. Wischnewski

This letter presents the first experimental results of our three-dimensional (3D) millimeter-wave (mm-wave) Compressive-Reflector-Antenna (CRA) imaging system. In this prototype, the CRA is 3D-printed and coated with a metallic spray to…

The TRACER instrument (``Transition Radiation Array for Cosmic Energetic Radiation'') has been developed for direct measurements of the heavier primary cosmic-ray nuclei at high energies. The instrument had a successful long-duration…

天体物理学 · 物理学 2008-05-13 M. Ave , P. J. Boyle , F. Gahbauer , C. Hoppner , J. R. Horandel , M. Ichimura , D. Muller , A. Romero-Wolf

This paper presents the first observation of top-quark pair production in association with two photons ($t\bar{t}\gamma\gamma$). The measurement is performed in the single-lepton decay channel using proton-proton collision data collected by…

高能物理 - 实验 · 物理学 2026-02-23 ATLAS Collaboration