[Gate-users] Coincidences with generic repeater

[Leo Read]

I used PETscanner + gate v6.2 and did not get coincidences with generic
repeater.


On Tue, Jul 30, 2013 at 9:58 AM, Fernando Rannou
<fernando.rannou at usach.cl>wrote:

> 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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>
>
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