[Color_transp] Quick question

[Dipangkar Dutta]

Hi John,
This is very interesting. Can you try to use this very small stub criterion
and see if we recover significant number of events for the Hydrogen Q^2=8
runs.
Cheers
Dipangkar


On Wed, Apr 10, 2019 at 12:45 PM John Matter <jcm6fv at virginia.edu> wrote:

> Regarding the space point criterion, the denominator in the efficiency
> calculation (pscinshouldh) does not change as I vary the criterion. The
> only DC tracking quantities it uses are the planes’ nhits which hcana
> reconstructs prior to space point formation. So the increase in efficiency
> is indeed due to an increased number of events that have P.dc.ntrack>0
>
> I’m wondering now if the per-event number of tracks, space points, or
> stubs gets funky for small values of this parameter. I’m teaching from 2 to
> 6 but I will take a look after that
>
> - John
>
> On Apr 9, 2019, at 11:23 AM, Dipangkar Dutta <d.dutta at msstate.edu> wrote:
>
> Hi John,
> The tracking efficiency numbers that you calculated were for the track
> parameters used in pass2 and not the ideal track parameters right? (unless
> the ideal parameters are the pass2 parameters)
> Cheers
> Dipangkar
>
> --
> Dipangkar Dutta
> Professor of Physics & Astronomy
> Mississippi State University
> Rm 010C Hilbun Hall,  P.O. Box 5167
> Mississippi State, MS 39762-5167
> Ph: 662 325 3105      Fax: 662 325 8898
> email: d.dutta at msstate.edu
> webpage: https://gcc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdd285.physics.msstate.edu&data=02%7C01%7Ccolor_transp%40jlab.org%7C8817dfa6f555423a287708d6bddd3b18%7Cb4d7ee1f4fb34f0690372b5b522042ab%7C1%7C0%7C636905155205544649&sdata=dRNtjIryAEcHRiWyBznE7Uo47nu4rGC3JdxsBC1dd8Y%3D&reserved=0
>
>
>
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