[Clas12_verystrange] meeting minutes

[Igor Strakovsky]

Hi Lei and hello from Mainz,

What is the deadline to submit CAA?

Thanks, Igor

On Sat, 16 Mar 2013 04:28:27 +0800, Lei Guo <lguo at jlab.org> wrote:

> HI, Guys,
> 
> We had our meeting today (Eugene, Diane, Mike and Lei). ANd apparently  
> Dan missed the meeting due to the daylight saving time change in the US.
> 
> We went over Diane's simulations results. SHe confirmed the  
> observation of reverse field being beneficial for Omega- 4K channel  
> (even better than the half field with normal polarity). Eugene  
> confirmed with VOlker the reverse field is for 30 days (not 20 or 40  
> as originally thought). THis is very good news since the statistical  
> uncertainty for the 4K channel of the differential cross sections  
> would only increase for less than 70% compared with the projected  
> results using half field in the original proposal -- this is a  
> dramatic difference compared with our worse case scenario when only  
> full field is used, which would have led to an error bar that is about  
> three times larger.
> 
> Diane's Xi- simulation results is very similar to Will's Xi-(1820)  
> simulation, in that the reverse field effect is less pronounced than  
> Omega-. Diane will include the other channel for Xi- polarization  
> measurement (gamma p --> K+ K+ pi- (Lambda)).
> 
> Mike has generated 5B background events, and is in the process of  
> uploading them to Jlab machines. These events will be used  (by Diane  
> and WIll) to generate various signal+background spectra.
> 
> Since we had a some criticism about the English last time, Mike has,  
> and Dan has been (:)), volunteered to go over the texts. Lei will  
> produce a newer version of the proposal, incorporating most to the new  
> simulation results (in the absence of certain plots, either older  
> plots or space filler will be used), and it should be ready for review  
> later next week.
> 
> Lei