|Message: Re: Cut influence in Gate/Geant4 for a 230 MeV proton beam||Not Logged In (login)|
Click on the Forum title, e.g. on the "Forums by Category" page, to read a sequence of postings to the Forum and its threads all in one page. If you are only interested in one thread or the thread following a specific posting, click the thread or the posting, which takes you to a smaller page, which contains only the part you are interested in and may be easier to navigate.
Messages are "chained" if there are only replies at the first level, i.e. 1/1.html, 1/1/1.html etc. In case of "chained" messages the message number is replaced by the icon and there is no indentation.
Inline: Display the subject line only or also the text of the posting(s); for the choice "All" the "Outline" choices are switched off.
|1||0||1||no text / full text of posting|
|2||1||All||text for level 1 only / text for All postings|
Outline: Choose the depth of the posting thread, successive toggle controls provide increasing detail.
|1||2||1||2 levels / 1 level (original posting)|
|2||3||2||3 levels / 2 levels|
|3||3||All||3 levels / all levels (all postings)|
With the recent G4 releases we do not know about reported problem. In contrary, our tests show stability of range and Bragg peak position versus cut value.
Can you, please, try out Geant4 9.2 using example TestEm7 - without any change in the code you can define similar target and Physics List and changing the cut value see the result on range.
Cut and step limit are not independent - if cut is small automatically steps are small and step limit may not affect the simulation. If cuts are high step limit defines the step size.
Please, also check that your estimate range correctly when the Binary cascade is active. In that case the average value of proton track length is not a good parameter due to hadronic interactions, one can only use the Bragg peak position.
|Inline Depth:||Outline Depth:||Add message:|