Vitaly,
Good point about the error bars. We are looking into a 10% change in
target
polarization when the atomic fraction changes by 20% (60% down to 40%).
The
errors of the asymmetry measurements should be in the same range to be
able
to find a reasonable correlation to the atomic fraction.
Hauke
On Monday, September 8, 2003, at 09:49 AM, vitaliy ziskin wrote:
> I think that to find a correlation between the AF and the dilution it
> is best to use a chi squared minimization that is used in
> show_ep_asym2.C Right now we are trying to see this correlation by
> looking at the asymmetry in the lowest Q^2 point. This is not as
> sensative let alone it has large error bar. The reson why TB cannot
> make any conclusion about the AF dependence is due to large error
> bars. If we use full acceptance (24-50) we reduce the error bar in
> the dilution. I'm working on calculating the error bar for the
> dilution from knowing the chi square.
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