Sphenix-calibration-l mailing list

[Christof Roland <christof.roland AT cern.ch>]

Hi Hugo

> On 7. Aug 2020, at 16:35, Hugo Pereira Da Costa 
> <hugo.pereira-da-costa AT cea.fr> wrote:
> 
> Hi Christof,
> 
> thanks for the comments. Will implement !
> 
> For the TPC occupancy, I 'think' I have the information at hand to get the 
> occupancy, but it needs a bit of working, and won't be ready for today's 
> meeting. (likely next week though). The reason is that occupancy must be 
> evaluated only in a given "time slice" (right ?), or possibly integrated 
> over timeslices, but without double counting ? In fact I am not completely 
> sure how you define occupancy in a TPC ...

The relevant quantity is usually the channel occupancy. i.e. how many 
channels are above threshold. So within a layer check how many channels are 
hit devided by the total number of channels.
Within a time slice is not so usefull because the occupancy has a rather 
pronounced radial dependence.

Cheers

    Christof 


> The "Same order of magnitude" statement in slide 10 comes from a comment 
> from Tony during the presentation.
> 
> Hugo
> 
> 
> On 8/7/20 8:22 AM, Christof Roland wrote:
>> Hi Hugo,
>> 
>> thanks a lot for preparing the slides.
>> I have a few comments, see below.
>> 
>> Cheers
>> 
>>    Christof
>> 
>> Slide 4
>>  a good part of the milestones / deadlines are in the past already or 
>> imminent.
>>  It would be good to point this out on the slide or color code this 
>> somehow if the task has actually be completed.
>> 
>> Slide 7
>>  Do we have occupancy plots for the TPC as well?
>> 
>> Slide 8
>>  Maybe mark a bit better that this refers to the micromegas only the layer 
>> 55+ 56 label may not be obvious to everybody.
>> 
>> Cheers
>> 
>>    Christof
>>   
>>> On 6. Aug 2020, at 21:30, Hugo Pereira Da Costa via sPHENIX-calibration-l 
>>> <sphenix-calibration-l AT lists.bnl.gov> wrote:
>>> 
>>> Hi all,
>>> 
>>> attached a first draft of the slides for tomorrow's General Meeting
>>> 
>>> Comments/corrections/additions welcome,
>>> 
>>> 
>>> Hugo
>>> 
>>> 
>>> <talk.pdf>_______________________________________________
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