1 / 7

Energy Loss

Energy Loss. Graduate School of Scienc e, Tohoku University Toshi Gogami 22/May/2013. GEANT4 Simulation. Energy Loss 12 C 100mg/cm 2 208 Pb 100mg/cm 2. Setup. Virtual Detector. Target. Generate 2344 M eV/c electrons at the center of target. e. Simulation code : POSI

amity
Télécharger la présentation

Energy Loss

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Energy Loss Graduate School of Science, Tohoku University Toshi Gogami 22/May/2013

  2. GEANT4 Simulation Energy Loss • 12C 100mg/cm2 • 208Pb 100mg/cm2

  3. Setup Virtual Detector Target Generate 2344 MeV/c electrons at the center of target e Simulation code : POSI (Default HKS setting) 17°

  4. Simple estimations • 12C 100 mg/cm2 target , X0 = 42700 mg/cm2 ΔE = ( 1.0 – exp(-x/X0) ) * 2344 = 2.8 MeV • 208Pb 100 mg/cm2 target , X0 = 6370 mg/cm2 ΔE = ( 1.0 – exp(-x/X0) ) * 2344 = 18.5 MeV NOTE: Effective thickness 100.0 / 2.0 / cos(17.0°) mg/cm2

  5. Simulation Results (12C) Energy Loss Mean : 3.0 MeV (Estimation:2.8MeV) N(<0.5 MeV) : N(>0.5 MeV) = 1 : 0.023 Most probable energy loss ～ 70 keV

  6. Simulation Results (208Pb) Energy Loss Mean : 20.3 MeV (Estimation:18.5MeV) N(<0.5 MeV) : N(>0.5 MeV) = 1 : 0.097 Most probable energy loss ～ 50 keV

  7. Conclusion • Geant4 simulation results are consistent with the simple estimations • ΔEGEANT4 > ΔEestimation • I think this is because multiple scattering effects

More Related