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STEIN Analysis for CINEMA Using GEANT4 Seongha Park Kyung Hee University KHU/SSR, 2011.07.191
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1. Purpose 2. Processes 3. Requirements 4. Current Result 5. Future Work & Summery KHU/SSR, 2011.07.192 Contents of This Talk
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Purpose 1) To confirm one of main payloads of CINEMA, STEIN, input the design of STEIN and load Electric Field for checking the trajectories of incident particles 2) Make two parallel plates as deflector of the STEIN and load Electric Field between the two plates to check trajectories of incident particles (e-, e+) KHU/SSR, 2011.07.193
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Processes 1.Input geometry –Input STEIN model : GDML format –Or directly : World Volume, Aluminum Plate 2.Input parameter for analysing –Variety of particle, energy, definition of physics 3.Add contents for tracking –Output change of energy, change of position, etc. 4.Run and get result from GEANT4 –Visualize the result and get raw data KHU/SSR, 2011.07.194 GeometryParametersTrackingAction
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Event (Trajectory) Action Event 0 Step 0 ~ Step 8 Run 0 Run 1 Event 0 Event 1 Event 2 KHU/SSR, 2011.07.195 Event 0 Event 1 Event 2 Con’d
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Requirements GEANT4.9.4 with GDML library Low Energy Classes ( Penelope, Livermore : threshold ~250eV) Penelope : Compton, Gamma Conversion, Rayleigh, Photoelectric ( -rays), Ionisation, Bremsstrahlung (e ± ), Annihilation Livermore : Compton, Gamma Conversion, Rayleigh, Photoelectric ( -rays), Ionisation, Bremsstrahlung (e - only) Livermore Polarized : Compton, Rayleigh ( -rays) STEIN model (GDML format) KHU/SSR, 2011.07.196
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Current Result KHU/SSR, 2011.07.197 1.Make an aluminum plate, incident particles are geantino.
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y z x Con’d KHU/SSR, 2011.07.198
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Con’d KHU/SSR, 2011.07.199 1.Make an aluminum plate, incident particles are geantino 2.The same Geometry, incident particles are electrons
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Con’d KHU/SSR, 2011.07.1910 y z x
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Current Result KHU/SSR, 2011.07.1911 1.Make an aluminum plate, incident particles are geantino 2.The same Geometry, incident particles are electrons 3.Change the shape of the plate (rotate 90˚), apply standard physics
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Con’d KHU/SSR, 2011.07.1912 y z x
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Con’d KHU/SSR, 2011.07.1913 y x
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Current Result KHU/SSR, 2011.07.1914 1.Make an aluminum plate, incident particles are geantino 2.The same Geometry, incident particles are electrons 3.Change the position of the plate (rotate 90˚), apply standard physics 4.Apply low energy physics (Penelope model)
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Con’d KHU/SSR, 2011.07.1915 y z x
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Con’d KHU/SSR, 2011.07.1916 y x
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Current Result KHU/SSR, 2011.07.1917 1.Make an aluminum plate, incident particles are geantino 2.The same Geometry, incident particles are electrons 3.Change the position of the plate (rotate 90˚), apply standard physics 4.Apply low energy physics (Penelope model) 5.Apply electric field (no consideration of direction and range)
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Con’d KHU/SSR, 2011.07.1918 y z x
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Con’d KHU/SSR, 2011.07.1919 y x
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Future Work & Summary To simulate with STEIN geometry, up to here, I’ve learn how to use GEANT4 with simple examples. So, from now on, 1.Make a pair of parallel plates 2.Load electric Field between 3.Read the geometry of STEIN and do purpose 2) KHU/SSR, 2011.07.1920
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