[Hallb] [clas_members] [EXTERNAL] Re: Meeting this Friday, 21 Apr. at 1:30 pm

Gagik Gavalian gavalian at jlab.org
Sat Apr 22 09:16:44 EDT 2023

Hi Krishna,

Thank you for clearing things up, your 59% increase in statistics is closer to what I get.
As far as integrating the distributions, I think this number should never be shown, because
It is very misleading. I do not even know what it measures.


On Apr 21, 2023, at 6:08 PM, Neupane, Krishna via clas_members <clas_members at jlab.org> wrote:

Dear Gagik and all,

Thanks  for the informative presentation. I was hoping to clarify one point regarding one of the slide presented, which highlighted a 23% increase in statistics from pass1 to pass2_v14_newCVT with RGA data.  This information was based on my previous presentation at the CLAS12 First Experiment meeting a couple of months ago. It is important to note that the 23% increase refers to the overall (signal + background) sum from 0.4 GeV2 < MMSQ_mProt < 1.4 GeV2, which is the entire range of the plot. Other two graphs there were for pass2_v1_12_02 and pass2_v1_22 versions, which had increase of about 32%. However, we do have a background-subtracted version of those graph, which shows a more significant increase (~double of with background version), please give a look at accached picture.
I also  presented new results at the recent First Experiment meeting, which covered the recent pass2 versions (v1_24, v1_25, v1_30 (8.7.0)). I have attached these results to this email if you are interested.
Thank you all for your time and attention.
Best regards,

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clas_members at jlab.org<mailto:clas_members at jlab.org>

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