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Question Energy loss in Tranport 

Forum: Fast Simulation, Transportation & Others
Date: 07 Oct, 2015
From: Vitaliy Ziskin <Vitaliy Ziskin>

Hello, I'm trying to track very (very) low energy electrons in a thing material. When doing this I'm observing that some electrons lose their energy during Transportation (see print out from tracking below). Is this because I'm going below the valid simulation range (10 eV in LivermoreIonization)? The code claims that Transportation should maintain the energy of the transported particle.

Your help is appreciated.

Thanks, Vitaliy

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 2,   Parent ID = 1
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   37.5 nm   18.9 nm  -2.23 nm   10.6 eV      0 eV      0 fm      0 fm     Device   initStep
    1     50 nm   13.7 nm   12.5 nm   8.71 eV   1.88 eV   23.2 nm   23.2 nm     Device          msc
    2    292 nm   -147 nm   -250 nm      0 eV   8.71 eV    391 nm    414 nm     Device   Transportation

*********************************************************************************************************
* G4Track Information:   Particle = e-,   Track ID = 12,   Parent ID = 4
*********************************************************************************************************

Step#      X         Y         Z        KineE    dEStep   StepLeng  TrakLeng    Volume     Process
    0   34.3 nm     12 nm   34.8 nm   11.9 eV      0 eV      0 fm      0 fm     Device   initStep
    1   34.7 nm   10.3 nm   36.4 nm   7.52 eV   4.43 eV    3.6 nm    3.6 nm     Device        eIoni
    2   -211 nm    152 nm    250 nm      0 eV   7.52 eV    355 nm    359 nm     Device   Transportation

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1 Idea: Re: Energy loss in Tranport   (Vladimir Ivanchenko - 04 Jan, 2016)
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