[Gate-users] Gate-users Digest, Vol 78, Issue 23

[李華瑜]

Dear Sir:
    If I don't want to recieve this letter,
can you tell me how to do that?

2012/11/30 <gate-users-request at lists.opengatecollaboration.org>

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> Today's Topics:
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>    1. ASCII Singles file is empty when I use opticaladder       digitizer
>       (open researcher)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 30 Nov 2012 16:22:56 +0530
> From: open researcher <openresearcher90 at gmail.com>
> To: gate-users at lists.opengatecollaboration.org
> Subject: [Gate-users] ASCII Singles file is empty when I use
>         opticaladder    digitizer
> Message-ID:
>         <
> CAOdjMUyUwfhkcyNZYaqMt-a5qpashe_vhqeHVVi2sR75HatLrw at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello everybody!
> my simulations contains detection of optical photons.
> when I use /gate/digitizer/Singles/insert opticaladder, my ascii Singles
> file is empty. But when I comment the command, ascii single file has the
> recordings (is that mean optical photons are not generated ?).
> I have set export GATE_USE_OPTICAL = 1 on. (When I source the env_gate.sh I
> even get the message 'Transport and generation of optical photons is
> enabled')
> My materials.xml has properties of LSO and NaI, I tried with both crystals
> but didn't work out.
> Any help ?
> thanks in advance
>
>
> LSO has - ------------------------------------------
> <?xml version="1.0"?>
> <materials>
>  <material name="LSO">
>    <propertiestable>
>      <property name="SCINTILLATIONYIELD" value="26000" unit="1/MeV"/>
>      <propertyvector name="ABSLENGTH" unit="mm" energyunit="eV">
>        <ve energy="6.49" value="0.231"/>
>        <ve energy="6.36" value="0.232"/>
>        <ve energy="6.23" value="0.321"/>
>        <ve energy="6.11" value="0.423"/>
>        <ve energy="5.99" energyunit="eV" value="0.483" unit="cm"/>
>      </propertyvector>
>    </propertiestable>
>  </material>
> </materials>
> --------------------------------------------------------------------
> NaI has
> <material name="NaI">
>     <propertiestable>
>       <property name="SCINTILLATIONYIELD" value="52000" unit="1/MeV"/>
>       <property name="RESOLUTIONSCALE" value="4.41"/>
>       <property name="FASTTIMECONSTANT" value="620" unit="ns"/>
>       <property name="YIELDRATIO" value="1"/>
>       <propertyvector name="FASTCOMPONENT" energyunit="eV">
> <ve energy="2.95167" value="1"/>
>       </propertyvector>
>       <propertyvector name="ABSLENGTH" unit="m" energyunit="eV">
> <ve energy="4.08" value="50"/>
> <ve energy="1.84" value="50"/>
>       </propertyvector>
>       <propertyvector name="RINDEX" energyunit="eV">
> <ve energy="4.08" value="1.85"/>
> <ve energy="1.84" value="1.85"/>
>       </propertyvector>
>     </propertiestable>
>   </material>
>
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-- 
HwaYu Lee (李華瑜)
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