|Message: Re: How score Kinetic Energy?||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)|
Hi, As you described, current command-based scoring does not provide a scorer for directly accumulating particle's kinetic energy. The command-based scoring ( using Primitive scorers ) are designed to accumulate physics quantity, so that you can not know/extract individual track information from the result. (Of course, you can do everything with SensitiveDetector/Hits by developing those by yourself. ) I understood that you want to know the 'accumulated' kinetic energy of gamma which enter the cell. Under the assumption that there is no effect from Compton scattering and e+e- pair production, it may be obtained ( or approximately estimated ) by using trackLength scorer. /score/quantity/trackLength trkL true false false gives an accumulated "pure" track length. /score/quantity/trackLength trkLwKinE true true false gives an accumulated track length with multiplying its kinetic energy, i.e. trkL * Kinetic-Energy. Therefore, you can calculate the accumulated kinetic energy by dividing trkLwKinE by trkL. Of course you have to apply "gamma" particle filter as a SD-filter to avoid contributions from secondary electrons.The secondary gammas are also encountered. Be sure that this is correct under above assumptions. Alternatively, you may obtain kinetic energy spectra using /score/quantity/nOfTrack with /score/filter/particleWithKineticEnergy. Please look at http://hypernews.slac.stanford.edu/HyperNews/geant4/get/biasing_scorin/18/1.html as an example. Best regards, Tsukasa Aso
|Inline Depth:||Outline Depth:||Add message:|