Re: [fluka-discuss]: PDD comparison

From: Francesco Cerutti <Francesco.Cerutti_at_cern.ch>
Date: Mon, 12 Aug 2019 18:23:23 +0200

Hi Jason,

on which phantom's transverse area is the dose calculated and measured?

Can you send the input file?

Best regards

Francesco

**************************************************
Francesco Cerutti
CERN-EN/STI
CH-1211 Geneva 23
Switzerland
tel. +41 22 7678962

On Sun, 11 Aug 2019, TYRRELL, JASON wrote:

>
> Hi Everyone,
>
>
> I am trying to recreate a linac head where the beam is incident on a water phantom. I
> am trying to compare the PDD from the simulation with the experimental measurements.
> However, when I compare the two PDD's the simulation (in red in the image attached)
> curve has a higher surface dose and a much slower dose drop off when compared to
> experiment. The beam energy is 15 MeV 0.1x0.1 beam incident on a tungsten target. The
> jaws and leaves have been omitted. There is a difference filter within the collimator
> and flattening filter placed behind it. Would anyone know a possible solution?
>
>
> Thanks a lot,
>
> Regards,
>
> Jason.
>
>
>

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Received on Mon Aug 12 2019 - 19:23:08 CEST

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