[Halld-offline] number for total acceptance?

Craig Bookwalter craigb at jlab.org
Mon Oct 18 01:33:58 EDT 2010


That's all I'm looking for--30% for 3pi sounds good to me. Thanks!


On 10/17/2010 11:57 PM, David Lawrence wrote:
>
> Hi Craig,
>
>     I didn't see anyone respond to this yet. What I can tell you is 
> that Jake Bennet at IU has recently seen about a 30% reconstruction 
> efficiency for the 3pi channel. This is consistent with the computing 
> plan, though that number was considered a very conservative estimate. 
> The geometric acceptance is much higher (~70% range) though dependent 
> on the specific channel and whether you're looking at exclusive or 
> inclusive reactions. I hope this helps some.
>
> Regards,
> -Dave
>
> On 10/15/10 3:47 PM, Craig Bookwalter wrote:
>> Hi folks,
>>      Just wondering if anyone can give me a rough estimate of the total
>> acceptance of the GlueX detector--40%, 50%, something like this? I'm
>> trying to figure out how many events I need to generate to get a decent
>> PWA-able dataset after acceptance.
>>
>> --cb
>>
>>      
>
> -- 
>
>
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  Craig Bookwalter			FSU Office:  (850) 644 3808
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