[Hps-analysis] HPS Analysis meeting Friday May 6 @ 8am/11am PDT/EDT

Nelson, Timothy Knight tknelson at slac.stanford.edu
Fri May 6 16:46:33 EDT 2016


Yes, I mentioned this in the meeting, but it more profoundly affects the population of high momentum electrons in MC.

> On May 6, 2016, at 1:40 PM, Sho Uemura <meeg at slac.stanford.edu> wrote:
> 
> (BTW, it shows up in both data and MC - those plots are from data, and if you look more closely at Matt's plots you can see the line in both.)
> 
> On Fri, 6 May 2016, Sho Uemura wrote:
> 
>> It's the ECal electron gap. See attached.
>> 
>> On Fri, 6 May 2016, Nelson, Timothy Knight wrote:
>> 
>>> So, I should add that Sho is right.  After drawing the tracks and seeing that they were skimming the edge of our acceptance at the back of the tracker, I simply assumed that the deficit in MC was caused by losing them outside our acceptance.  However, the tracks that are lost are the ones that fall *inside* our 6-layer acceptance.  This is even stranger.
>>> Tim
>>>> On May 5, 2016, at 4:22 PM, Graham, Mathew Thomas <mgraham at slac.stanford.edu> wrote:
>>>> No rest for the weary?we?ll have an analysis meeting tomorrow.
>>>> Agenda:
>>>> https://confluence.slac.stanford.edu/display/hpsg/May+6%2C+2016+DAWG+Meeting
>>>> Connection Details:
>>>> 
>>>> 	? Browser: https://bluejeans.com/722990411
>>>> 	? Phone:  8882402560  722990411  ##  *4
>>>> nb & mg
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