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FACT -- Operation of the First G-APD Cherenkov Telescope

Since more than two years, the First G-APD Cherenkov Telescope (FACT) is operating successfully at the Canary Island of La Palma. Apart from its purpose to serve as a monitoring facility for the brightest TeV blazars, it was built as a…

天体物理仪器与方法 · 物理学 2016-11-18 T. Bretz , A. Biland , J. Buß , V. Commichau , L. Djambazov , D. Dorner , S. Einecke , D. Eisenacher , J. Freiwald , O. Grimm , H. von Gunten , C. Haller , C. Hempfling , D. Hildebrand , G. Hughes , U. Horisberger , M. L. Knoetig , T. Krähenbühl , W. Lustermann , E. Lyard , K. Mannheim , K. Meier , S. Mueller , D. Neise , A. -K. Overkemping , A. Paravac , F. Pauss , W. Rhode , U. Röser , J. -P. Stucki , T. Steinbring , F. Temme , J. Thaele , P. Vogler , R. Walter , Q. Weitzel

SiPM Development for Astroparticle Physics Applications

The SiPM is a novel solid state photodetector which can be operated in the single photon counting mode. It has excellent features, such as high quantum efficiency, good charge resolution, fast response, very compact size, high gain of 106,…

天体物理学 · 物理学 2007-09-13 M. Teshima , B. Dolgoshein , R. Mirzoyan , J. Nincovic , E. Popova

The next generation Cherenkov Telescope Array observatory: CTA

The Cherenkov Telescope Array (CTA) is a large collaborative effort aimed at the design and operation of an observatory dedicated to the VHE gamma-ray astrophysics in the energy range 30 GeV-100 TeV, which will improve by about one order of…

天体物理仪器与方法 · 物理学 2019-08-14 Stefano Vercellone

TARGET: toward a solution for the readout electronics of the Cherenkov Telescope Array

TARGET is an application specific integrated circuit (ASIC) designed to read out signals recorded by the photosensors in cameras of very-high-energy gamma-ray telescopes exploiting the imaging of Cherenkov radiation from atmospheric…

天体物理仪器与方法 · 物理学 2019-08-14 L. Tibaldo , J. A. Vandenbroucke , A. M. Albert , S. Funk , T. Kawashima , M. Kraus , A. Okumura , L. Sapozhnikov , H. Tajima , G. S. Varner , T. Wu , A. Zink

Status of the second phase of the MAGIC telescope

The MAGIC 17m diameter Cherenkov telescope will be upgraded with a second telescope with advanced photon detectors and ultra fast readout within the year 2007. The sensitivity of MAGIC-II, the two telescope system, will be improved by a…

天体物理学 · 物理学 2019-08-13 Florian Goebel

Study of timing performance of Silicon Photomultiplier and application for a Cherenkov detector

Silicon photomultipliers are very versatile photo detectors due to their high photon detection efficiency, fast response, single photon counting capability, high amplification, and their insensitivity to magnetic fields. At our institute we…

核实验 · 物理学 2015-05-18 G. S. M. Ahmed , P. Bühler , J. Marton , K. Suzuki

Actuator Development at IAAT for the Cherenkov Telescope Array Medium Size Telescopes

The Cherenkov Telescope Array (CTA) will be the future observatory for TeV gamma-ray astronomy. In order to increase the sensitivity and to extend the energy coverage beyond the capabilities of current facilities, its design concept…

天体物理仪器与方法 · 物理学 2017-08-09 S. Diebold , J. Dick , G. Pühlhofer , S. Renner , A. Santangelo , T. Schanz , C. Tenzer , the CTA Consortium

Prospects for the Use of Photosensor Timing Information with Machine Learning Techniques in Background Rejection

Recent developments in machine learning (ML) techniques present a promising new analysis method for high-speed imaging in astroparticle physics experiments, for example with imaging atmospheric Cherenkov telescopes (IACTs). In particular,…

天体物理仪器与方法 · 物理学 2019-07-23 Samuel Spencer , Thomas Armstrong , Jason Watson , Garret Cotter

On the Evaluation of Silicon Photomultipliers for Use as Photosensors in Liquid Xenon Detectors

Silicon photomultipliers (SiPMs) are potential solid-state alternatives to traditional photomultiplier tubes (PMTs) for single-photon detection. In this paper, we report on evaluating SensL MicroFC-10035-SMT SiPMs for their suitability as…

仪器与探测器 · 物理学 2018-04-05 Benjamin Godfrey , Tyler Anderson , Earl Breedon , Jacob Cutter , Navneet Dhaliwal , Olivia Dalager , Seth Hillbrand , Michael Irving , Aaron Manalaysay , Juan Montoya , James Morad , Christian Neher , Dustin Stolp , Mani Tripathi , Ryan Wilson

The Light-Trap: A novel concept for a large SiPM-based pixel for Very High Energy gamma-ray astronomy and beyond

Among the main disadvantages of using silicon photomultipliers (SiPMs) in large experiments are their limited physical area (increasing the cost and the complexity of the readout of a camera) and their sensitivity to unwanted wavelengths.…

天体物理仪器与方法 · 物理学 2019-02-20 D. Guberman , J. Cortina , J. E. Ward , E. Do Souto Espiñera , A. Hahn , D. Mazin

Mirror Position Determination for the Alignment of Cherenkov Telescopes

Imaging Atmospheric Cherenkov Telescopes (IACTs) need imaging optics with large apertures to map the faint Cherenkov light emitted in extensive air showers onto their image sensors. Segmented reflectors fulfill these needs using mass…

天体物理仪器与方法 · 物理学 2017-04-24 J. Adam , M. L. Ahnen , D. Baack , M. Balbo , M. Bergmann , A. Biland , M. Blank , T. Bretz , K. A. Bruegge , J. Buss , A. Dmytriiev , M. Domke , D. Dorner , S. Einecke , C. Hempfling , D. Hildebrand , G. Hughes , L. Linhoff , K. Mannheim , S. A. Mueller , D. Neise , A. Neronov , M. Noethe , A. Paravac , F. Pauss , W. Rhode , A. Shukla , F. Temme , J. Thaele , R. Walter

Measurements of the Cherenkov effect in direct detection of charged particles with SiPMs

In this paper, different Silicon PhotoMultiplier (SiPM) sensors have been tested with charged particles to characterize the Cherenkov light produced in the sensor protection layer. A careful position scan of the SiPM response has been…

仪器与探测器 · 物理学 2023-05-30 F. Carnesecchi , B. Sabiu , S. Strazzi , G. Vignola , N. Agrawal , A. Alici , P. Antonioli , S. Arcelli , F. Bellini , D. Cavazza , L. Cifarelli , M. Colocci , S. Durando , F. Ercolessi , D. Falchieri , A. Ficorella , C. Fraticelli , M. Garbini , M. Giacalone , A. Gola , D. Hatzifotiadou , N. Jacazio , A. Margotti , G. Malfattore , R. Nania , F. Noferini , G. Paternoster , O. Pinazza , R. Preghenella , R. Rath , R. Ricci , L. Rignanese , G. Romanenko , N. Rubini , E. Scapparone , G. Scioli , A. Zichichi

Construction and On-site Performance of the LHAASO WFCTA Camera

The focal plane camera is the core component of the Wide Field-of-view Cherenkov/fluorescence Telescope Array (WFCTA) of the Large High-Altitude Air Shower Observatory (LHAASO). Because of the capability of working under moonlight without…

仪器与探测器 · 物理学 2021-08-09 F. Aharonian , Q. An , Axikegu , L. X. Bai , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , H. Cai , J. T. Cai , Z. Cao , Z. Cao , J. Chang , J. F. Chang , X. C. Chang , B. M. Chen , J. Chen , L. Chen , L. Chen , L. Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. L. Chen , Y. Chen , N. Cheng , Y. D. Cheng , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , D. della Volpe , B. D'Ettorre Piazzoli , X. J. Dong , J. H. Fan , Y. Z. Fan , Z. X. Fan , J. Fang , K. Fang , C. F. Feng , L. Feng , S. H. Feng , Y. L. Feng , B. Gao , C. D. Gao , Q. Gao , W. Gao , M. M. Ge , L. S. Geng , G. H. Gong , Q. B. Gou , M. H. Gu , J. G. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , Y. A. Han , H. H. He , H. N. He , J. C. He , S. L. He , X. B. He , Y. He , M. Heller , Y. K. Hor , C. Hou , X. Hou , H. B. Hu , S. Hu , S. C. Hu , X. J. Hu , D. H. Huang , Q. L. Huang , W. H. Huang , X. T. Huang , Z. C. Huang , F. Ji , X. L. Ji , H. Y. Jia , K. Jiang , Z. J. Jiang , C. Jin , D. Kuleshov , K. Levochkin , B. B. Li , C. Li , C. Li , F. Li , H. B. Li , H. C. Li , H. Y. Li , J. Li , K. Li , W. L. Li , X. Li , X. Li , X. R. Li , Y. Li , Y. Z. Li , Z. Li , Z. Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , H. Liu , H. D. Liu , J. Liu , J. L. Liu , J. S. Liu , J. Y. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , Y. N. Liu , Z. X. Liu , W. J. Long , R. Lu , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , J. R. Mao , A. Masood , W. Mitthumsiri , T. Montaruli , Y. C. Nan , B. Y. Pang , P. Pattarakijwanich , Z. Y. Pei , M. Y. Qi , D. Ruffolo , V. Rulev , A. Sáiz , L. Shao , O. Shchegolev , X. D. Sheng , J. R. Shi , H. C. Song , Yu. V. Stenkin , V. Stepanov , Q. N. Sun , X. N. Sun , Z. B. Sun , P. H. T. Tam , Z. B. Tang , W. W. Tian , B. D. Wang , C. Wang , H. Wang , H. G. Wang , J. C. Wang , J. S. Wang , L. P. Wang , L. Y. Wang , R. N. Wang , W. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. D. Wang , Y. J. Wang , Y. P. Wang , Z. Wang , Z. Wang , Z. H. Wang , Z. X. Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , C. Y. Wu , H. R. Wu , S. Wu , W. X. Wu , X. F. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , G. Xiao , H. B. Xiao , G. G. Xin , Y. L. Xin , Y. Xing , D. L. Xu , R. X. Xu , L. Xue , D. H. Yan , C. W. Yang , F. F. Yang , J. Y. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , S. B. Yang , Y. H. Yao , Z. G. Yao , Y. M. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Y. H. Yu , Q. Yuan , H. D. Zeng , T. X. Zeng , W. Zeng , Z. K. Zeng , M. Zha , X. X. Zhai , B. B. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , J. W. Zhang , L. Zhang , L. Zhang , L. X. Zhang , P. F. Zhang , P. P. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , X. Zhang , X. P. Zhang , Y. Zhang , Y. Zhang , Y. F. Zhang , Y. L. Zhang , B. Zhao , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , F. Zheng , Y. Zheng , B. Zhou , H. Zhou , J. N. Zhou , P. Zhou , R. Zhou , X. X. Zhou , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , X. Zuo

Technical Performance of the MAGIC Telescopes

The MAGIC-I telescope is the largest single-dish Imaging Atmospheric Cherenkov telescope in the world. A second telescope, MAGIC-II, will operate in coincidence with MAGIC-I in stereoscopic mode. MAGIC-II is a clone of MAGIC-I, but with a…

天体物理仪器与方法 · 物理学 2019-08-15 Juan Cortina , Florian Goebel , Thomas Schweizer

A novel measurement method for SiPM external crosstalk probability at low temperature

Silicon photomultipliers (SiPMs) are being considered as potential replacements for conventional photomultiplier tubes (PMTs). However, a significant disadvantage of SiPMs is crosstalk (CT), wherein photons propagate through other pixels,…

仪器与探测器 · 物理学 2024-06-05 Guanda Li , Lei Wang , Xilei Sun , Fang Liu , Cong Guo , Kangkang Zhao , Lei Tian , Zeyuan Yu , Zhilong Hou , Chi Li , Yu Lei , Bin Wang , Rongbin Zhou

Simulation of large photomultipliers for experiments in astroparticle physics

We have developed an accurate simulation model of the large 9 inch photomultiplier tubes (PMT) used in water-Cherenkov detectors of cosmic-ray induced extensive air-showers. This work was carried out as part of the development of the…

仪器与探测器 · 物理学 2014-11-20 Alexandre Creusot , Darko Veberic

Design Study of a Low Energy IACT Array for Ground-Based Gamma-Ray Astronomy

Recently, ground-based very high-energy (VHE) gamma-ray astronomy achieved a remarkable advancement in the development of the observational technique for the registration and study of gamma-ray emission above 100 GeV. Construction of…

天体物理学 · 物理学 2007-08-30 A. Konopelko , J. P. Finley , G. Urbanski

Measurement of performance of the NectarCAM photodetectors

NectarCAM is a camera for the medium-sized telescopes of the Cherenkov Telescope Array (CTA), which covers the energy range of 100 GeV to 30 TeV. The camera is equipped with 265 focal plane modules (FPMs). Each FPM comprises 7 pixels, each…

天体物理仪器与方法 · 物理学 2021-10-13 A. Tsiahina , P. Jean , J. -F. Olive , J. Knödlseder , C. Marty , T. Ravel , C. Jarnot , B. Biasuzzi , J. Bolmont , F. Brun , S. Caroff , E. Delagnes , S. Fegan , G. Fontaine , D. Gascon , J. -F. Glicenstein , D. Hoffmann , S. Karkar , J. -P. Lenain , J. Paredes , P. -O. Petrucci , J. Prast , M. Ribó , S. Rivoire , A. Sanuy , P. Sharma , T. Suomijarvi , L. A. Tejedor , F. Toussenel

Performance of LACT Array: Instrument Response Functions and Source Prospects

Large Array of imaging atmospheric Cherenkov Telescope (LACT) is an array of 32 Cherenkov telescopes with 6-meter diameter mirrors to be constructed at the LHAASO site, aiming to enhance our understanding of ultra-high energy gamma ray…

高能天体物理现象 · 物理学 2025-09-26 Zhipeng Zhang , Ruizhi Yang , Shoushan Zhang

Photon Reconstruction for H.E.S.S. Using a Semi-Analytical Shower Model

The High Energy Stereoscopic System (H.E.S.S.) is an array of five Imaging Atmospheric Cherenkov Telescopes (IACTs) designed to detect cosmogenic gamma-rays with very high energies. Originally consisting of just four identical IACTs (CT1-4)…

天体物理仪器与方法 · 物理学 2019-08-14 M. Holler , A. Balzer , R. Chalmé-Calvet , M. de Naurois , D. Zaborov