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Simulation for the gaseous detectors in the RDD department

par Christine Legalliard - 27 janvier 2015

The signal induced in a gaseous detector (wire chamber, parallel plate counter, micro-pattern …) by an interacting particle involves several processes that can be simulated by the GARFIELD software, written by Rob Veenhof. After geometry implementation, field lines can be generated by GARFIELD or external software such as MAXWELL. Several possibilities are offered by the GARFIELD package including :

  1. Simulation of the primar interaction of a particle inside the gas medium with the HEED interface
  2. Determination of gas properties, such as electron drift velocity, transverse and longitudinal diffusion, attachment, Townsend coefficient with MAGBOLTZ
  3. Monte-Carlo simulations of the electron drift inside the detector and avalanche multiplication.

The effect of geometry parameters including size and diameter of wires, conversion gap thickness, or the influence of the gas mixing can be studied for optimization.

JPEG - 89 ko

Simulations for Micromégas

 Contact :G. Hull

Utilisateurs: RDD



Institut de Physique Nucléaire Orsay - 15 rue Georges CLEMENCEAU - 91406 ORSAY (FRANCE)
UMR 8608 - CNRS/IN2P3

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