[clas12_rgk] Evgeny's puzzle

[Francois-Xavier Girod]

Dear Viktor

As you know for fixed Q2 xB=1 corresponds to W=Mp
I do not think that this study matters much for physics but it does tell us
about detector reconstruction

Best regards
FX

On Sat, Oct 26, 2019 at 1:26 AM Viktor Mokeev <mokeev at jlab.org> wrote:

> Dear All,
>
>  I propose to remove the events with x_B>1.
>
> Best Regards,
>                               Victor
> ------------------------------
> *From:* clas12_rgk <clas12_rgk-bounces at jlab.org> on behalf of
> Francois-Xavier Girod <fxgirod at jlab.org>
> *Sent:* Friday, October 25, 2019 6:26 PM
> *To:* clas12_rgk at jlab.org <clas12_rgk at jlab.org>; hybrid baryons <
> hybrid_baryons at jlab.org>
> *Subject:* [clas12_rgk] Evgeny's puzzle
>
> Dear all
>
> I took a look at Evgeny's events and uploaded some information on the docDB
> https://clas12-docdb.jlab.org/cgi-bin/DocDB/private/ShowDocument?docid=502
>
> I was not able to produce CED pictures because the input DSTs from the
> trains do not have detector banks
> However I think we can still see three kinds of events
> (1) CVT "ghost" tracks around polar angle = 90 degrees (5% of events)
> (2) CVT duplicate tracks correlated with the proton (22.5% of events)
> (3) accidental tracks (72.5% of events)
>
> Some samples of 1k events from each category are available under
> /work/clas12/fxgirod/Evgeny/
> In principle we can filter these events from decoded files, reconstruct
> them specifically and look at them on CED
>
> Please let me know if you have questions of suggestions
>
> Best regards
> FX
>
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