|Message: Re: Low energy EM processes and electron drifting||Not Logged In (login)|
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I suggest you simulate electron drift in the electric field of an ion chamber outside Geant4 with software such as GARFIELD
(R. Veenhof, GARFIELD Users Manual, CERN Program Library W 5050.)
One way to connect G4 energy loss to ionization clusters in drift chamber gas to GARFIELD is define a new G4 process "ionization cluster(ing)" which samples the mean ionization cluster separation in your medium (a number you need to know from other sources). For each coordinate of such a cluster you'd then call a table (obtained with the use of GARFIELD) which connects this coordinate to a drift time/amplitude.
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