[Gate-users] Would you please tell me if there is some lessons on internet for me to learn the physics process of x-ray imaging?

[Simon Rit]

Hi,
Somebody has recently forwarded a link to this book:
http://www-pub.iaea.org/MTCD/Publications/PDF/Pub1564web-82725456.pdf
I think it is a very good start.
Simon

On Thu, Nov 13, 2014 at 10:07 PM, Zhou, Zhongxing
<Zhongxing.Zhou-1 at ou.edu> wrote:
> Dear all,
>
> I will this email finds you all well. Having study for a few weeks  on Gate, I feel that I really need more knowledge on x-ray imaging process. My major is biomedical engineering, but I have not taken any classes about x-ray imaging process. I am always confusing about the physics process of x-ray imaging.
>
> Would you please tell me if there is some lessons on internet for me to learn the physics process of x-ray imaging? It will be great if you can provide some website having videos of these classes.
>
>
> Thank you in advance,
> Erickzhou
>
>
>
> ________________________________________
> From: gate-users-bounces at lists.opengatecollaboration.org [gate-users-bounces at lists.opengatecollaboration.org] on behalf of gate-users-request at lists.opengatecollaboration.org [gate-users-request at lists.opengatecollaboration.org]
> Sent: Friday, October 17, 2014 5:00 AM
> To: gate-users at lists.opengatecollaboration.org
> Subject: Gate-users Digest, Vol 101, Issue 20
>
> Send Gate-users mailing list submissions to
>         gate-users at lists.opengatecollaboration.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
>         http://lists.opengatecollaboration.org/mailman/listinfo/gate-users
> or, via email, send a message with subject or body 'help' to
>         gate-users-request at lists.opengatecollaboration.org
>
> You can reach the person managing the list at
>         gate-users-owner at lists.opengatecollaboration.org
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Gate-users digest..."
>
>
> Today's Topics:
>
>    1. Dose actor calculations (Nada Fakhoury)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 17 Oct 2014 09:51:58 +0000
> From: Nada Fakhoury <nfachour at physics.auth.gr>
> To: gate-users at lists.opengatecollaboration.org
> Subject: [Gate-users] Dose actor calculations
> Message-ID:
>         <20141017095158.Horde.0k_wkT0OvWruCblk1K4MDQ1 at mail.physics.auth.gr>
> Content-Type: text/plain; charset=UTF-8; format=flowed; DelSp=Yes
>
>
> Dear all,
>
> I am experiencing a weird behavior of the dose actor. I am simulating
> a gamma source pointing towards a water volume.
>
> I first tried acquiring a depth dose curve along the central axis, and
> got a distribution that didn't quite measure up to what I expected.
> (dose increasing with depth)
>
> See here:
> https://www.dropbox.com/s/hd6da9lhapn5cju/Screenshot%20from%202014-10-11%2017%3A40%3A14.png?dl=0
>
>
> When I then changed my actor's resolution to get a dose profile in
> various depths in the volume, the distribution in depth was the
> complete opposite of what the depth dose curve at first indicated.
> (dose decreasing with depth)
>
> See here: https://www.dropbox.com/s/e3610h1fhz5r8e6/profiles.png?dl=0
>
> The setup is the same in both cases, the *only* thing that changed was
> the actor's resolution and for the profiles the actor's position. (For
> the central axis depth dose distribution the actor was attached at the
> top of the volume.)
>
>
> Does anyone have an idea of what may be wrong?
>
> Thank you in advance,
>
> Nada,
>
>
> **Please ignore the dose values in the graphs, they were acquired with
> different primary events and energies, but the overall behavior
> remains the same in every case. The graphs are drafts.**
>
>
>
>
>
>
> ------------------------------
>
> _______________________________________________
> Gate-users mailing list
> Gate-users at lists.opengatecollaboration.org
> http://lists.opengatecollaboration.org/mailman/listinfo/gate-users
>
> End of Gate-users Digest, Vol 101, Issue 20
> *******************************************
> _______________________________________________
> Gate-users mailing list
> Gate-users at lists.opengatecollaboration.org
> http://lists.opengatecollaboration.org/mailman/listinfo/gate-users