[G12] Beam Correction II

[Johann Goetz]

seems like the error in your result (the 1.00584) is maybe 0.001 or so. Is
that reasonable?

On Sun, Nov 6, 2011 at 5:47 PM, Michael C. Kunkel <mkunkel at jlab.org> wrote:

>  On 11/6/11 6:32 AM, Dennis Weygand wrote:
>
> What exactly does 'manually' mean?
>
>  On Nov 4, 2011, at 8:53 PM, Michael C. Kunkel wrote:
>
>  Greetings G12'rs
>
> I have realized if I do a manual fit to find the correction value, I can
> obtain different correction values for the beam.
>
> My previous email had a correction factor of 1.00509. When I do it
> manually I get a correction factor of 1.00584.
>
> I have attached the new plot for run 56515. There is now only a 2.78 MeV
> difference in the mass peak from the expect.
>
> I know believe this is the correct path to undertake for the beam
> corrections.
>
> BR
> MK
>
> <corrected_plotII.jpg>_______________________________________________
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>
>   --
> Dennis Weygand
> weygand at jlab.org
> (757) 269-5926 (office)
> (757) 870-4844 (cell)
>
>
>
>
>  It means, instead of having ROOT do a TF1 fit with initial parameters
> and allowed variances, I open the histogram, right click the histogram,
> open fit panel, manually set my limits ..etc.....ie manually
>
>
> BR
> MK
>
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>


-- 
Johann T. Goetz, PhD. <http://sites.google.com/site/theodoregoetz/>
jgoetz at ucla.edu
Nefkens Group, UCLA Dept. of Physics & Astronomy
Hall-B, Jefferson Lab, Newport News, VA
Office: 757-269-5465 (CEBAF Center F-335)
Mobile: 757-768-9999
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