U.S. ATLAS HL-LHC Upgrade Level 2 and Deputies-NSF only Management Mailing List

[Elliot Lipeles <lipeles AT hep.upenn.edu>]

Since Tom asked, I'm sending around to all my flowdown slides

For those who already saw them, I added a backup (slide 58) on how the other system effect the total of the trigger menu which might be appropriate to have in the physics overview.

 TriggerFlowDown.pdf

Elliot

On Fri, Aug 9, 2019 at 9:57 AM Elliot Lipeles <lipeles AT hep.upenn.edu> wrote:

Hi all,

I think it would be worth mentioning hear and in the other non-trigger WBS items and physics overview that the 1 MHz readout is key to keeping low trigger thresholds enabling a lot of physics. I.e. 1 MHz is a key specification for Tile, LAr, and Muons (and ITK but not relevant for NSF), which enables all the triggers. There would be major degradation to all triggers if not included. I have a quantitive example in my failure to meet specs slide last line of table below...

Elliot

On Thu, Aug 8, 2019 at 2:34 PM Gustaaf Brooijmans <gusbroo AT nevis.columbia.edu> wrote:

Hello all,

Here's the example from Tile.  I think it's pretty good.  (Sl 6 should
probably say "Impact of not meeting specs")

If you have ideas/comments to further improve, please do send.  We want
to make the strongest possible case.

Best,

Gustaaf

-------- Forwarded Message --------
Subject:        Tile Flowdown slides Fwd: Re:
[Usatlas-hllhc-l2deputymgmt-nsf-l] FDR Flow-down help
Date:   Tue, 6 Aug 2019 09:20:22 -0500
From:   Mark Oreglia <oreglia AT uchicago.edu>
To:     Gustaaf Brooijmans <gusbroo AT nevis.columbia.edu>



This is what we came up with so far.



  > On Aug 5, 2019, at 4:37 PM, Gustaaf Brooijmans
<gusbroo AT nevis.columbia.edu> wrote:
  >
  >
  > Hello all,
  >
  > Apologies for sending so many emails.  Could you, to help address
the flow-down question, prepare a few slides per deliverable on
  >
  > -how do the specs related to physics gains, and why are those spec
numbers good?  (Usually a balance between physics gain and
feasibility/cost.)
  > -if the spec performance is different than planned, how does that
impact physics?  (For LAr there is the Higgs mass peak plot for
example.  For trigger, I would imagine we're talking trigger
acceptance.  In muons there's the eta-phi coverage map Sarah showed,
...  I'm guessing each TDR has a few useful plots.)
  >
  > This request is already in the todo sheet sent earlier, but I wanted
to add some more information.
  >
  > Thanks,
  >
  > Gustaaf
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