[Gate-users] Coincidences with generic repeater

[Fernando Rannou]

Please specify with version of gate you are having this problem.
I use repeaters and CYlindricalPET in 6.1 and I get coincidences


Fernando


On Tue, Jul 30, 2013 at 9:28 AM, Leo Read <leoread at gmail.com> wrote:

> Hi Antonio,
>
> I have also noticed that coincidences are not generated when the generic
> repeater is used. I did not find any solution to this on the forum.
>
> As a result, I'm writing C code to generating coincidence data based on
> hits data in the root output. I have personally found that I don't like how
> Gate generates singles output based on the hits output - it doesn't seem to
> handle inter-crystal events properly. If you are OK with ignoring this
> effect, then you may want to look into looping over the singles data and
> generating your own coincidence data.
>
> If anybody has an alternative solution, please share your thoughts.
>
> Thanks!
>
>
> On Tue, Jul 30, 2013 at 8:43 AM, Toninho Antonio <acbertolo at gmail.com>wrote:
>
>> Hi.
>>
>>
>> We are looking to simulate PET systems and when we used the generic
>> repeater to replicate the rsectors, using PETScanner or CYlindricalPET,  the
>> coincidences was not generated. Besides that when we kept the same
>> digitizer and used the ring repeater the coincidences were generated
>> correctly.
>>
>> Does anyone used the generic repeater and was able get the coincidences?
>> Is it necessary any specific modifications on digitizer?
>>
>> The Singles are generated in both cases. We tried with two PET system at
>> GATE to test whether the generic repeater was to be used specifically to
>> PETScanner.
>>
>>
>> Cheers,
>>
>>
>>
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>
>
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