The OPAL Discussion Forum

[Chris Rogers <chris.rogers AT stfc.ac.uk>]

Hi Zahra,
I use the PROBE element when I want to take the beam parameters in a 
particular region. This will give you the individual particle 
coordinates that you can then do your own analysis on.

Hope that helps,
Chris

On 14/10/2021 12:23, Zahra wrote:
> Hi OPAL group!
> I am new to OPAL. I simulated the beam of a 11MeV Cyclotron using OPAL2.4.0. I
> want to study beam characteristics like beam size. I want to reach the bunch
> distribution. Is there a way to obtain total beam size (not its rms)?
> As we know, rms_x,_y and_s are exist in .stat file, which I drew rms_x,_y
> and_s vs Energy. It is in this link[https://postimg.cc/KKZP7rbD]. Is this
> order of rms_BeamSize acceptable? And Is there a person who knows, what
> happened on beam in 4-10 MeV which make rms_BeamSize (x and y) grow?
> Any help is appreciated


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