logging in or signing up longo2 Arundel0 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 59 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: January 03, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Geant4 application to X and Gamma-ray Telescopes: Geant4 application to X and Gamma-ray Telescopes B.Ferrero Merlino1, D.Favretto2, R. Giannitrapani2, F.Longo2, R.Nartallo3, P.Nieminen3, A.Pfeiffer1, M.G.Pia2, G.Santin2 (1) CERN (2) INFN (3) ESA/ESTECOutline: Outline Geant4 and space applications for X and Gamma Astrophysics XRayTel and GammaRayTel examples Geometry and Physics Visualisation Histogramming User Interface AGILE & GLAST, real experiments XML detector descriptionX and Gamma Astrophysics: X and Gamma Astrophysics Gamma Ray Bursts: a puzzle being solved (since 1997)Gamma-ray Bursts: Gamma-ray Bursts (Credit NASA) (Credit BeppoSAX team) (Credit NASA/CNR/L.Piro et al.)Geant4 and Space Applications: Geant4 and Space Applications Source detection Different energy bands Several mechanisms Different detectors Design and optimisation of satellitesGeant4 and Space Applications: Geant4 and Space Applications Background Simulation Different sources (radioactive decay, cosmic origin, detector noise, …)XRayTel and GammaRayTel examples: XRayTel and GammaRayTel examples Advanced examples in the Geant4 toolkit (since release 3.0) Properties Advanced features of Geant4 toolkit Features of the Low Energy Electromagnetic processes in Geant4 Reliability of Geant4 in a space environment applicationGeometry and Physics for an X-ray Telescope: Geometry and Physics for an X-ray Telescope Mirrors, Focal plane detectors Cosmic Ray generation & Focusing Coded mask imaging Photoelectric effect Credit: NASA Credit: ESAGeometry and Physics for a generic Gamma Telescope: Geometry and Physics for a generic Gamma Telescope Tracker, Calorimeter, Anticoincidence Gamma Conversion Electron Tracking Multiple Scattering Delta-ray production Charged particle trackingDetectors geometry: Detectors geometry Ni Conical mirrors (7.5 m) Gold coating Silicon Detectors (50 m) Lead converter Si detectors (400 m) CsI calorimeter Plastic anticoincidenceVisualization: Visualization Lot’s of graphical drivers OpenGL Not interactive, but fast VRML A standard for 3D scene description Good interactivity (but can be slow) PostScript (via DAWN) Very high quality drawings (suitable for publications) Can be very slowHistogramming and Analisys: Histogramming and Analisys Released version with Lizard using AIDA 1d and 2d histograms More than one histogram Single or multiple views Run-based or event-based Messenger to choose modality Histogramming and Analysis: Histogramming and AnalysisUser Interface: User Interface Possibility to modify geometry and materials Source generation algoritmhs (Particle Module, Geant4 methods) G4 user interface capabilities Histograms operations AGILE & GLAST: AGILE & GLAST Real Gamma Ray Experiments XML and Detector Description: XML and Detector Description GLAST collaboration has adopted the XML language for detector description In house DTD (derived by ATLAS one, but with a lot of modifications) In house C++ package to interface to the XML file Lot of clients for this package GEANT4 VRML Event Display Others ... XML: XML You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
longo2 Arundel0 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 59 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: January 03, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Geant4 application to X and Gamma-ray Telescopes: Geant4 application to X and Gamma-ray Telescopes B.Ferrero Merlino1, D.Favretto2, R. Giannitrapani2, F.Longo2, R.Nartallo3, P.Nieminen3, A.Pfeiffer1, M.G.Pia2, G.Santin2 (1) CERN (2) INFN (3) ESA/ESTECOutline: Outline Geant4 and space applications for X and Gamma Astrophysics XRayTel and GammaRayTel examples Geometry and Physics Visualisation Histogramming User Interface AGILE & GLAST, real experiments XML detector descriptionX and Gamma Astrophysics: X and Gamma Astrophysics Gamma Ray Bursts: a puzzle being solved (since 1997)Gamma-ray Bursts: Gamma-ray Bursts (Credit NASA) (Credit BeppoSAX team) (Credit NASA/CNR/L.Piro et al.)Geant4 and Space Applications: Geant4 and Space Applications Source detection Different energy bands Several mechanisms Different detectors Design and optimisation of satellitesGeant4 and Space Applications: Geant4 and Space Applications Background Simulation Different sources (radioactive decay, cosmic origin, detector noise, …)XRayTel and GammaRayTel examples: XRayTel and GammaRayTel examples Advanced examples in the Geant4 toolkit (since release 3.0) Properties Advanced features of Geant4 toolkit Features of the Low Energy Electromagnetic processes in Geant4 Reliability of Geant4 in a space environment applicationGeometry and Physics for an X-ray Telescope: Geometry and Physics for an X-ray Telescope Mirrors, Focal plane detectors Cosmic Ray generation & Focusing Coded mask imaging Photoelectric effect Credit: NASA Credit: ESAGeometry and Physics for a generic Gamma Telescope: Geometry and Physics for a generic Gamma Telescope Tracker, Calorimeter, Anticoincidence Gamma Conversion Electron Tracking Multiple Scattering Delta-ray production Charged particle trackingDetectors geometry: Detectors geometry Ni Conical mirrors (7.5 m) Gold coating Silicon Detectors (50 m) Lead converter Si detectors (400 m) CsI calorimeter Plastic anticoincidenceVisualization: Visualization Lot’s of graphical drivers OpenGL Not interactive, but fast VRML A standard for 3D scene description Good interactivity (but can be slow) PostScript (via DAWN) Very high quality drawings (suitable for publications) Can be very slowHistogramming and Analisys: Histogramming and Analisys Released version with Lizard using AIDA 1d and 2d histograms More than one histogram Single or multiple views Run-based or event-based Messenger to choose modality Histogramming and Analysis: Histogramming and AnalysisUser Interface: User Interface Possibility to modify geometry and materials Source generation algoritmhs (Particle Module, Geant4 methods) G4 user interface capabilities Histograms operations AGILE & GLAST: AGILE & GLAST Real Gamma Ray Experiments XML and Detector Description: XML and Detector Description GLAST collaboration has adopted the XML language for detector description In house DTD (derived by ATLAS one, but with a lot of modifications) In house C++ package to interface to the XML file Lot of clients for this package GEANT4 VRML Event Display Others ... XML: XML