[Primex2] PrimEx-II analysis meeting reminder

[li ye]

Hi powel , Ilia ,
Please take a look the slides I have for todays meeting .
 I use the Tfraction fitter to fit the data and get the cross section
result,  the fitting is much better ,
but I still have some jump for the cross section , so I checked the
calculation all over again and found a problem.

in the simulation  in my understanding ,the N-input for each Echannel
 should be like :
cross-theory  =  Yield-mc / (const * flux * Acc )    where const is
constant from target information , Acc is acceptance  =  Yield-mc / N-input
 ,
so   cross-theory = Yield-mc *(N-input/Yield-mc) /(const*flux)
      cross-theory =    N-input /(const*flux)
     N-input = const*flux*cross-theory

means N-input should proportional to the cross-theory
but if you check the last slides plot , the N-input number I got looks not
right behavior .
Please correct me if i am wrong .
Yang , would you please also check the simulation input / flux for pi0 ?
see if it is mach the theory shape ?

Cheers
Li

2016-02-11 22:18 GMT-05:00 Yang Zhang <yzhang132 at gmail.com>:

> Dear collaborators,
>
> We'll have our weekly meeting on February 12th, this Friday afternoon at
> 1:30pm in F227.
>
> please log onto https://jlab.bluejeans.com/2265619819/ to view the
> sharing. And Make sure your microphone and speaker are ok before entering
> our meeting.
>
> You can also dial phone number +1 888-240-2560 <+1%20888-240-2560> to
> join the meeting with meeting ID 2265619819.
>
> Meeting webpage:
> http://wwwold.jlab.org/primex/weekly_meetings/primexII/slides_2016_02_12
>
> Directory for your presentation files:
> /group/primex/html/weekly_meetings/primexII/slides_2016_02_12
>
> Best
>
> Yang
>
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