SciGlass prototype 2022
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People
- CUA: Tanja Horn (superviser), Yeranuhi Ghandilyan, Joshua Crafts, VSL Team
- JLab: Vladimir Berdnikov, Sasha Somov
- AANL: Hakob Voskanyan, Arthur Mkrtchyan, Hamlet Mkrtchyan, Vardan Tadevosyan, ...
- INFN: Marco Battaglieri, ...
Meetings
Physical characteristics of the glass
Physics
Visual inspection of the SciGlass modules
Dimensions
- 2022 Generation SciGlass 40cm: Dimensions of 9 blocks produced in summer 2022 (CUA-1....CUA-9
Transmission
- 2022 Generation SciGlass 40cm: Comparison of 9 blocks produced in summer 2022
cosmic test
Engineering part and design of the 3x3 prototype (40xm SciGlass 2022)
Hardware
Read out
- For the test we will need 25 cables (+3,4 spare)
- For the 5x5 prototype we will need to make 25 HV dividers
- LEMO connectors (FFS.00.250.NTCE52) https://www.digikey.com/en/products/detail/lemo/FFS-00-250-NTCE52/3597392?s=N4IgTCBcDaIGJwMoDoAMrlgKwYHIBUBhAUSwgF0BfIA
- LEMO bulkhead connectors (PES.00.250.NTME31) https://www.digikey.com/en/products/detail/lemo/PES-00-250-NTME31/3806969
- HV connectors (Pasternack SHV connector PE45556) https://www.pasternack.com/shv-jack-rg174-rg316-rg188-connector-pe45556-p.aspx
- HV divider circuit boards + sockets
- Cables for dividers
Technical
- Label Machine https://www.amazon.com/LABELWORKS-LW-PX300-Industrial-Label-Maker/dp/B08JQMFZ6F/ref=sr_1_29_sspa?crid=3BQBGDXQ8A5TJ&keywords=label+machine&qid=1667313715&qu=eyJxc2MiOiI1Ljg1IiwicXNhIjoiNS40MCIsInFzcCI6IjQuOTQifQ%3D%3D&sprefix=label+machine%2Caps%2C103&sr=8-29-spons&ufe=app_do%3Aamzn1.fos.006c50ae-5d4c-4777-9bc0-4513d670b6bc&psc=1 - Black RTV silicone
Construction of the 3x3prototype (40cm SciGlass 2022)
Installation of the 3x3 prototype (40cm SciGlass 2022) in the beam line (HallD) at Jefferson Lab
Beam alignment and re-alignment
Data from Prototype tests
Detailed List of Activities
Date?? - Visual inspection of the SciGlass "(Josh)"
09/16/2022 - Transmittance measurement (Josh, Yeran)
09/29/2022 - Dimensions measurement (Josh, Yeran)
09/29/2022 - Beam test with 12x1 array in the Hall, (Vlad, Arshak)
10/06/2022 - 12x1 array removing from the hall (Yeran, Arshak)
10/11/2022 - 3x3 prototype cosmic test in clean room, (Yeran, Arshak)
10/13/2022 - 3x3 prototype box assembling (Josh, Yeran)
10/14/2022 - 3x3 prototype installation in the hall and alignment (Yeran, Vlad, Arshak, Sasha)
10/18/2022 - 3x3 prototype re-alignment (5mm), (Yeran, Arshak, Sasha)
10/19/2022 - 3x3 prototype re-re-alignment (5+3mm), (Vlad, Arshak)
10/27/2022 - 3x3 prototype HV base replacement "(Yeran, Arthur, Arshak)" https://userweb.jlab.org/~yeran/SciGlass/3x3-HV.pdf
10/28/2022 - 3x3 prototype central channel's (#5) HV divider/base replacement "(Yeran, Arshak)" https://userweb.jlab.org/~yeran/SciGlass/3x3-HV-updated.pdf
Future Plans
Most probably on Thursday (October 27 2022) will be an access to the Hall-D. We are planning to change the HV dividers (to those with no pre-amplifier) and increase HV (from 1000 V to 1100 V) on the 3x3 prototype in order to improve the photodetection efficiency. Everything is ready to go to the Hall. Since there is no paper-based instruction for all this procedure, I'll try to make one for the future tests. https://userweb.jlab.org/~yeran/SciGlass/Towers+5mm+3mm.pdf