[Clas12_verystrange] proposal comments

Eugene Pasyuk pasyuk at jlab.org
Tue May 7 20:34:35 EDT 2013


Most of the comments are easy to answer. Only one comment requires some work. This is about trigger in case of untagged real photon. I guess this question came from Marco. 
This is legitimate concern we should address. Simple t wo prong trigger with no FT will overwhelm DAq. 
The trigger may be [2-prong AND FT]OR[4-prong] We nee to look what is the rate of 4-prong events. compared to 2-prong AND FT. 
I guess this asks for some simulation. 

-Eugene 

----- Original Message -----

> From: "Lei Guo" <lguo at jlab.org>
> To: "clas12 verystrange" <clas12_verystrange at jlab.org>
> Sent: Tuesday, May 7, 2013 5:43:36 PM
> Subject: [Clas12_verystrange] proposal comments

> Hi, All,

> I have received the comments from Ken. Most are minor comments. There
> is a bit of problem in the trigger/untagged photon rate that could
> be due to some miscalculation.

> Let's look at the comments and meet this Friday? Or maybe sooner?

> Lei

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