[Gate-users] Vertical Axis unit of the Energy Spectrum Actor in GATE

[maikol salas ramirez]

Hi Emmanuel

If your are using a EnergySpectrumActor, you have a file, which name finish
with "...energySpectrum.txt". Root plots this file, and inside of this file
is written:
#Other lines : 2 columns. 1) energy 2) probability (nb divided by NbEvent).

Therefore in the Root plot you have in the Y-Axis the probability
multiplied by the number of particles. It means that in one bin you have
the number of particles with a specific energy detected in the sensible
volume.

Best regards

2017-06-30 8:14 GMT+02:00 Emmanuel Marfo <
emmanuel.marfo at postgrad.otago.ac.nz>:

> Hi Gate-Users,
>
> Please, I need help on this, I imported x-ray energy spectrum from
> SpekCalc with intensity unit of [keV.mAs.cm2]-1. My minimum and maximum
> energy in the energy spectrum actor is  0 eV and 0.12 MeV. I used .root
> format for my output. In my energy spectrum output in root, you could only
> see the x-axis units in MeV but the Y-axis unit is not given. I presume it
> to be 'counts' but not sure is the complete unit. Please is there a way of
> knowing the units on the Y-axis? Thanks
>
> Best regards,
>
> Emmanuel Marfo
>
> University of Otago
>
> Student
>
>
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