[Eg6_analysis] Implementing drift speed corrections in the cooking package

[Nathan Baltzell]

Dear Mohammad,

Yes, the variable "runNum" is what you want.  I remember checking that it  
was
correctly initialized when I was using it to set the beam position in  
GetBLPara.c.

Regards,
Nathan


On Mon, 23 Dec 2013 09:58:27 -0600, Mohammad Hattawy  
<mohammad.hattawy at gmail.com> wrote:

> Dear all,
>   I manged to extract the parameters to correct TDCmax as a function of  
> run_number and z position in RTPC. Here you can find the final fittings:  
> https://>clasweb.jlab.org/rungroups/lowq/wiki/index.php/Drift_Speed_Correction  
> . By these fittings, the first and last slices in z for each run are  
> included and the fits are converging at the edges. From the side of  
> checking the quality of the these fits, >we use 1.2 GeV data, in which  
> we compare the calculated TDCmax by the selected good tracks in RTPC to  
> the TDCmax by selecting elastic events. The difference >between the two  
> methods has been reduced from 3% to 1%.
>
>   These extracted parameters are implemented in the file  
> gem/init_paths_using_fit.c (attached here). Also, attached gem/rtpc.h  
> file in which i added the declaration of >the function which calculates  
> TDCmax. Nathan, i need to have an access to the run number in order to  
> do the calculations in init_paths_using_fit.c. I am not sure about the  
> parameter runNum which is >declared in gem package, does it represent  
> the run Number? ( i implement it as the run number, line 22 in this  
> file).
>
>   Lamiaa, if Nathan agrees about the point of the run number and if  
> everything is going well user_ana, Can you replace the original  
> (init_paths_using_fit.c, rtpc.h) files >by the ones attached here and  
> cook the following runs:
> 1. First 400K events from these 6 GeV runs: 61570, 61625, 61734, 61872.
> 2. All the events of these 1.2 GeV runs: 61450, 61453, 6165.
>
>  For these runs, i need the detailed TPCC bank (which contains the raw  
> ADCs and TDCs). As an output, I need only HROOT files.
>
> Have a nice holidays,
> Mohammad Hattawy.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://mailman.jlab.org/pipermail/eg6_analysis/attachments/20131225/33e7c9ec/attachment.html