[g13] Time-walk constants

Pawel Nadel-Turonski turonski at jlab.org
Mon Feb 8 18:03:12 EST 2010


Chuck,

The choice of timewalk constants may have a very significant effect on 
the timing of slow protons. It is not easy to see from these plots. But 
very nice work!

     Pawel

On 2/8/2010 5:51 PM, ctaylor at jlab.org wrote:
> Everyone,
>
> Here are the plots for the time-walk constants, using Daria/Mukesh's code:
>
> http://www.jlab.org/~ctaylor/Start_Counter/Comparison_of_time_constants_2.ppt
>
> It is separated 3 slides per sector, where the first and second slide are
> both time-walk fit results using new g13 constants vs the g12 constants;
> the first slide was cooked with g11 constants in place and the second with
> g12. The third slide is the results with the new g13 constants vs the g11
> constants previously used. It was cooked with g12 constants.
>
>  From this we should be able to see, that the choice of time-walk constants
> before cooking have virtually no affect on the distribution. However it
> does  have a significant difference to the fit curve.
>
> Chuck
>
>    


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