|Message: Re: What is the default units of the total energy deposit in Geant4||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)|
On Tue, 21 May 2013 19:25:01 GMT, Michael H. Kelsey wrote:|
> On Tue, 21 May 2013 04:37:18 GMT, Scarlett wrote:
> > I know the default units of energy and length are MeV and
> > mm,respectively, but what is the default units of the total energy
> > deposition in Geant4? If I count the total energy deposition value every
> > 0.01mm, what is the units of it?Thanks for you time to see this.
> The energy deposition is in energy units (so divide by MeV, GeV, or
> whatever your preference is when you print out values). Since the energy
> deposition is recorded per step, to get dE/dx you need to divide the
> energy deposit by the step length in your SteppingAction.
> -- Michael Kelsey
Tkanks for you very much!
Can I ask you another question? That is why the energy straggling data I get from Geant4 useing EM physics can't agreement with the data of theoretical calculation using Bohrís theory? Besides,the energy of incident particles range from 80MeV/u to 360MeV/u! Thanks again.