[Eg6_analysis] gpp
Stepan Stepanyan
stepanya at jlab.org
Wed Nov 26 23:42:24 EST 2014
Hi Nathan,
Thanks for looking into this. I am not an expert, but I think
parameters p0/p1/p2 should not depend on run, so you can
get it from any run group, e.g. e1-6/g10 ...
Stepan
On 11/26/14, 8:06 PM, Nathan Baltzell wrote:
> The reason why Mohammad doesn't see any affect from changing the region 1
> smearing factor in gpp turns out to be because the database has all zeroes for
> GPP/DC/Reg1 (and non-zeroes for the other regions). A number of calib_user
> tables also have this issue, and also the main calib.RunIndex.
>
> These missing constants are polynomial coefficients used to
> calculate a sigma with which to smear doca in the DOCA bank:
>
> sigma = p0 + p1*doca + p2*doca ….
>
> Anyone know how to calculate them?
> Or should we just copy them from another rungroup?
>
> -Nathan
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