[b1_ana] Statistics using Positive Polarization Only

[Dustin Keller]

Hi Elena,
why before eq 25 you use Np=Nu=N/2, why not just have
Np=Nu=N?

On Thu, 2 May 2013, Elena Long wrote:

> Good afternoon,
>
> I've re-run the statistics using the method we decided on yesterday. The 
> results can be seen here: 
> https://hallcweb.jlab.org/wiki/index.php/Elong-13-05-01-Azz-Method-2#Plots_with_using_Azz_Method_2_Calculations
>
> Please note that they have grown by a factor of two compared to the previous 
> assumption, where we had both positive and negative polarization. The 
> calculations for the new method are formalized in 
> https://hallcweb.jlab.org/wiki/index.php/Elong-13-05-01-Azz-Method-2#Azz_Formalism_-_Method_2
>
> Oscar has been mentioning that the code was missing a sqrt(2), which was 
> true. The other sqrt(2) on top of it comes from the assumption before 
> equation 25, which brings the total uncertainty a factor of two larger than 
> was projected with the old method.
>
> Take care,
> Ellie
>
> -- 
> Elena Long, Ph.D.
> Post Doctoral Research Associate
> University of New Hampshire
> elena.long at unh.edu
> ellie at jlab.org
> http://nuclear.unh.edu/~elong
> (603) 862-1962
>
>