[Clas12_verystrange] meeting minutes

[Michael Dugger]

Hi,

I am getting everything ready to generate background events and I want to 
make sure that I generate the right kind of events.

For Derek's background events we used a 11 GeV photon beam, and skimmed 
for K+ K+ in the final state.

What photon energy do we want and are we good with skimming for K+ K+ 
events?

-Michael

On Fri, 1 Mar 2013, Lei Guo wrote:

> We had a meeting today. Eugene, Diane, Veronique and Lei called in.
>
> Nobody objected to submitting the proposal to CLAS collaboration, and
> taking the "CAA" type route. The deadline is Apr 6th. Since we will
> seek to join the proton running group at CLAS12, we have no choice but
> assuming the approved running conditions, i.e., 80 days of full field
> (although 75% field remains a possiblity), and 20 days of reverse
> field at full strength.
> To address these new running conditions, and PAC comments, we divided
> the tasks up. We will perform new simulations for Omega-, Xi-, and Xi-
> (1820), for all three conditions: full and 75% field, and reverse field.
>
> GWU (Diane ) and FIU will both perform simulations for Omega-, so we
> can have consistency checks between the groups. Both 3k and 4k
> channels will be analyzed.
> GWU(Diane) will also perform simulaiton for Xi-, and the reactions
> should be gamma p--> K+K+(Xi-) and K+K+pi-(Lambda)
> FIU(Will/Jason/Lei) will also do simulation for Xi-(1820), and the
> reactions should be gamma p--> K+K+K-(Lambda) and K+K+K-proton(pi-)
>
> In order to address the background/PID issues raised by PAC, ASU
> (Mike) will generate PYTHIA events using local clusters. These
> background events will be analyzed for the above channels, and should
> be combined wiht signals.
>
> We should probably aim for simulation results in the next week or two.
> The background generation will take a bit longer, but we should be
> able to have a new proposal a couple weeks before the deadline and
> reviewed by our group.
>
> Please let me know if I missed something.
>
> Lei
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