[d2n-analysis-talk] PR E/p Calibration
Brad Sawatzky
brads at jlab.org
Wed Oct 28 10:23:59 EDT 2009
On Wed, 28 Oct 2009, David Flay wrote:
> One thing I could do is do the calibration for each kinematic -- I
> checked the (pion) peak positions in the block ADCs and some don't
> line up to where they should be for other kinematics (different from
> the calibration kinematic of p = 1.13). However, this still doesn't
> explain the trend. I checked my code that calculated the
> coefficients, and I had already commented out all the stuff that was
> 'fudging' the numbers to get E/p centered at 1.
At some level it doesn't matter much since the absolute energy
calibration of the pion-rejector (ie. from momentum setting to momentum
setting) isn't important. It would be nice to make some sense of it
though...
Do the Transversity guys see the same trend in their analysis?
-- Brad
--
Brad Sawatzky, PhD <brads at jlab.org> -<>- Jefferson Lab / Hall C / C111
Ph: 757-269-5947 -<>- Pager: 757-584-5947 -<>- Fax: 757-269-7848
The most exciting phrase to hear in science, the one that heralds new
discoveries, is not "Eureka!" but "That's funny..." -- Isaac Asimov
More information about the d2n-analysis-talk
mailing list