PPT-Interaction of x-ray photons (and gamma ray photons)

with matter Interaction of xray photons with matter When a beam of xray photons passes through matter its intensity energy or number of xray photons flowing per second is reduced . ASTROPHYSICAL SCENARIOS. Félix Mirabel. CEA-Saclay-France . *. Neutron stars & Black . holes. in . stellar. . binary. . systems. . that. . radiate. in gamma-rays.. (Will not . refer. extreme physics at play. Bruce Gendre. ARTEMIS. Description of a GRB. Gamma-ray Burst : . burst of high energy photons. Isotropic distribution on the sky. extragalactic events. . quite common (~2/day. 84 . Hiroshi Nagai. (National Astronomical Observatory of Japan). In collaboration with. Monica . Orienti. , Motoki Kino, Kenta Suzuki, Keiichi Asada, Akihiro . Doi. , Gabriele . Giovannini. , Marcello . Manel. Martinez. 4. 3. rd. . Winter Meeting. March 2015-Benasque. Outline. 1) Introduction. 2) Basics on VHE Gamma Astronomy physics. 3) VHE gamma observatories. 4) CTA. 5. ) Conclusions. 1) INTRODUCTION. Sergei Popov. (SAI MSU). Plan. General intro. Pulsar models. Population synthesis. Summary of discoveries. EGRET legacy. Just 6 pulsars:. Crab. Geminga. Vela. PSR B1055-52. PSR B1706-44 . PSR B1951+32 . David Smith. Centre d’Etudes Nucléaires de Bordeaux-Gradignan. ( CENBG - in2p3 - CNRS ). I. nstitut. de Physique Nucléaire de Lyon. 6 mars 2015. Le ciel en rayons gamma. avec le. . satellite . Fermi . Nathalie . Japkowicz. , Colin . Bellinger. , . Shiven. Sharma, Rodney Berg, Kurt . Ungar. . University of Ottawa, Northern Illinois University. Radiation Protection Bureau, Health Canada. Enzo . PARADISO. EDUSAFE Final Review. 20 June 2016. Overview. Gamma camera prototype recap. Panoramic gamma Imaging. Gamma sensor calibration. 3-D Gamma imaging. Overview - . 20 June . 2016 . – p. . 1 - ray Imaging Ethan Hull, Matthew Kiser PHDS Corporation, 3011 Amherst Road, Knoxville, TN 37921, USA Historically, radioactive material detection and localization have been accomplished through th catch a burst and notify other observatoriesboth in space and on the ground of its approx-imate locationWithin minutes HETE-2 mayobtain a precise locationCurrent telescopestake much longer to notify o Liz Hays . (. NASA Goddard Space Flight Center). The Origin of Cosmic Rays. Credit S. . Swordy. Victor Hess and his . “Flight . Ops . Team”, . 1912. From protons. Pion decay. Accelerated protons (p) interact with matter. Shielding Materials Daniel R. McAlister , Ph.D. PG Research Foundation, Inc. 1955 University Lane Lisle, IL 60532, USA Revision 6 . 1 June 18 , 201 8 Introduction Attenuation or s hielding of gamma r Flashes. Gamma Ray . Astronomy. . Beginning. started . as a small budget research program in 1959. monitor. ing. compliance with the 1963 Partial Test Ban Treaty by the Soviet Union, and other nuclear-capable states. Marie-Laure Mauborgne. SLB. CSG17 – July 17. th. 2023. 1. Founded by a physicist and an engineer in 1926 to conduct the first geophysical measurements of rock formations . What is SLB?. (former Schlumberger).