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Subject: sPHENIX Event Plane Detector discussion

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  • From: "Feder, Russell" <rfeder AT bnl.gov>
  • To: Rosi Reed <rosijreed AT lehigh.edu>, "sphenix-sepd-l AT lists.bnl.gov" <sphenix-sepd-l AT lists.bnl.gov>, "Haggerty, John" <haggerty AT bnl.gov>, "Cacace, Daniel" <dcacace AT bnl.gov>, "Hamblen, Peter" <phamblen AT bnl.gov>, "Ruggiero, Richard" <ruggiero AT bnl.gov>, "Pontieri, Chris" <cpontieri AT bnl.gov>
  • Subject: Re: [sphenix-sepd-l] sEPD Engineering Questions
  • Date: Wed, 15 Mar 2023 17:50:47 +0000

 
Hi Russ and everyone,
After yesterday's meeting and our meeting this morning, we have a few questions to set our schedule's:

Handles on the petals (I attach Rich's picture): We will need to modify the petals for this, is that something that will be done here?  What is the time scale.  We will assemble 1 of the strongbacks with sectors asap to ensure everything works, but would not want to do this with the other's prior to the modification.
--> Rich is working to get the drawing to us in the next day or two.  Then we can drill and tap the petals next week.  We need to order the handles and get them in because the screw that clamps the handles to the strongback are screwed in from the tile side.

sEPD "bike rack": Once we assemble the sectors into the petals, we will need to be able to put them some place.  It would be good to know the time scale for approval, order and arrival for this.
--> Rich is working on finalizing this.  I will ask him to send the preliminary BOM so we can order the 80-20 and other hardware.

SiPM Box installation: We probably should have a dedicated discussion on this, some additional hardware will be needed.  (For instance, the standoffs.)
--> I am trying to figure this out too.  Will try to have some answers by Friday

McMaster Orders: Micah, JaeBeom, Tristan are doing inventory - it would be good to have the list of McMaster parts already ordered to check off what we have.
--> OK, I will send you what I have

Rosi

--
Rosi Reed
RHIC/AGS UEC member
Associate Professor, Physics Department
Lehigh University
(610)758-3907
16 Memorial Drive East Office 406
Bethlehem, PA 18015
she/her/hers



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