J. Prast
University of Savoy
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Publication
Featured researches published by J. Prast.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2014
J. Bolmont; P. Corona; P. Gauron; P. Ghislain; C. Goffin; L. Guevara Riveros; J. F Huppert; O. Martineau-Huynh; P. Nayman; J. M. Parraud; J.-P. Tavernet; F. Toussenel; D. Vincent; P. Vincent; W. Bertoli; P. Espigat; M. Punch; D. Besin; E. Delagnes; J. F. Glicenstein; Y. Moudden; P. Venault; H. Zaghia; L. Brunetti; P. Y David; J.M. Dubois; A. Fiasson; N. Geffroy; I. Gomes Monteiro; L. Journet
In July 2012, as the four ground-based gamma-ray telescopes of the H.E.S.S. (High Energy Stereoscopic System) array reached their tenth year of operation in Khomas Highlands, Namibia, a fifth telescope took its first data as part of the system. This new Cherenkov detector, comprising a 614.5 m
arXiv: Instrumentation and Methods for Astrophysics | 2016
J. F. Glicenstein; O. Abril; J-A. Barrio; O. Blanch Bigas; J. Bolmont; F. Bouyjou; P. Brun; E. Chabanne; C. Champion; S. Colonges; P. Corona; E. Delagnes; C. Delgado; C. Diaz Ginzov; D. Durand; J.-P. Ernenwein; S. J. Fegan; O. Ferreira; M. Fesquet; A. Fiasson; G. Fontaine; N. Fouque; D. Gascon; B. Giebels; François Hénault; R. Hermel; D. Hoffmann; D. Horan; J. Houles; P. Jean
^2
arXiv: Instrumentation and Methods for Astrophysics | 2013
J. F. Glicenstein; M. Barceló; J-A. Barrio; O. Blanch; J. Boix; J. Bolmont; C. Boutonnet; S. Cazaux; E. Chabanne; C. Champion; Frederic Chateau; S. Colonges; P. Corona; S. Couturier; B. Courty; E. Delagnes; C. Delgado; J.-P. Ernenwein; S. J. Fegan; O. Ferreira; M. Fesquet; G. Fontaine; N. Fouque; François Hénault; D. Gascon; D. Herranz; R. Hermel; D. Hoffmann; J. Houles; S. Karkar
reflector with a highly pixellized camera in its focal plane, improves the sensitivity of the current array by a factor two and extends its energy domain down to a few tens of GeV. The present part I of the paper gives a detailed description of the fifth H.E.S.S. telescopes camera, presenting the details of both the hardware and the software, emphasizing the main improvements as compared to previous H.E.S.S. camera technology.
Archive | 2011
C. Adloff; J. Blaha; J.J. Blaising; M. Chefdeville; C. Drancourt; A Espargilière; R. Gaglione; N. Geffroy; Y. Karyotakis; J. Prast; G. Vouters; M. Benyamna; C. Cârloganu; F Fehr; S. Manen; L. Royer; D. Dzahini; L. Gallin-Martel; J. Giraud; D. Grondin; Jean-Yves Hostachy; K. Krastev; L. Morin; F.E. Rarbi; M. Bedjidian; A. Bonnevaux; C. Combaret; L. Caponetto; Gérald Grenier; R. Han
NectarCAM is a camera proposed for the medium-sized telescopes of the Cherenkov Telescope Array (CTA) covering the central energy range of ~100 GeV to ~30 TeV. It has a modular design and is based on the NECTAr chip, at the heart of which is a GHz sampling Switched Capacitor Array and a 12-bit Analog to Digital converter. The camera will be equipped with 265 7-photomultiplier modules, covering a field of view of 8 degrees. Each module includes the photomultiplier bases, high voltage supply, pre-amplifier, trigger, readout and Ethernet transceiver. The recorded events last between a few nanoseconds and tens of nanoseconds. The camera trigger will be flexible so as to minimize the read-out dead-time of the NECTAr chips. NectarCAM is designed to sustain a data rate of more than 4 kHz with less than 5\% dead time. The camera concept, the design and tests of the various subcomponents and results of thermal and electrical prototypes are presented. The design includes the mechanical structure, cooling of the electronics, read-out, clock distribution, slow control, data-acquisition, triggering, monitoring and services.
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