Difference between revisions of "Heavy Gas Cherenkov"

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(→‎coating)
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** [https://solid.jlab.org/cgi-bin/public/ShowDocument?docid=60 test 4: Small size tests of five different configurations of 5 mil Mylar/12 mil Kevlar window with epoxy coating. Aug 16, 2017.]
 
** [https://solid.jlab.org/cgi-bin/public/ShowDocument?docid=60 test 4: Small size tests of five different configurations of 5 mil Mylar/12 mil Kevlar window with epoxy coating. Aug 16, 2017.]
  
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=== readout ===
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=== [https://solid.jlab.org/wiki/index.php/Cherenkov_readout readout] ===
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more info in dropbox folder readout/test
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==== H8500_03 test 2012 ====
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By Simona Malace, Brad Sawatzky
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pixel and quad sum test with wire simple sum
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result, http://arxiv.org/abs/1306.6277
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==== H12700_03 test 2014 ====
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By Mehdi Meziane
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Total sum test with wire simple sum
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result, last few pages of https://www.dropbox.com/s/bmyzg6rxg5dz6il/Solid_Director_Review_Mehdi_Meziane.pdf?dl=0
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==== H12700_03 test 2015/07 ====
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By Weizhi Xiong, Zhiwen Zhao
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Total sum test with wire simple sum
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data files are at /work/halla/solid/hgc/DAQ_test_201507/sft_rootfiles
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result, slide 7 of http://solid.jlab.org/files/meeting_coll/2015_09/solid_hgc_zwzhao_20150912.pdf
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==== H12700_03 test 2016/09 ====
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By Chao Gu
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pixel test with CLAS12 RICH MAROC3
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result http://hallaweb.jlab.org/experiment/g2p/collaborators/chao/Chao_GroupMeeting_10062016.pdf
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==== [https://solid.jlab.org/wiki/index.php/SoLID_Cerenkov_readout_test] ====
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=== gas ===
 
=== gas ===

Revision as of 15:06, 18 April 2023

info

email list

HGC emaillist,"solid_hgc at jlab.org", registration and archive

conference system

Blue Jeans with meeting ID: 591770580
Audio via phone (better than computer): dial +1-888-240-2560 (US or Canada only) or http://bluejeans.com/numbers for other countries,
then enter the meeting ID.
Desktop sharing and video via web: https://bluejeans.com/591770580
Or video via a Video Conferencing System: dial 199.48.152.152, then enter the meeting ID.

file sharing

We use a dropbox folder. ask Zhiwen Zhao zwzhao@jlab.org with your dropbox account

Integration into SoLID

refer to SoLID_Engineering_Integration_and_CAD page Engineering Integration and CAD

prototyping and R&D

window

  • material
    • tedlar/mylar/tedlar from Madico
    • "We have used this type of material for spectrometer vacuum windows. It is made of high end sail cloth (actual sail material for boats). It is not the easiest material to work with but will most likely work for you. You may have to pretension the cloth depending on the manufacturer." from David Meekins of jlab target group, https://www.sailmakerssupply.com/product/racing-laminate-sailcloth-seconds/sailcloth, It's actually Kevlar/Mylar laminates
    • cheap kevlar, http://www.mcmaster.com/#kevlar/=14kwgqs , Its thickness 0.6mm is a bit bigger than 0.4mm used by BNL vacuum window, Not sure if it's because it's "cut resistant"
    • 2024 Al ~1mm thick

readout

gas

gas test

mirror

base

coating

HGC mirror drawing and SBU half mirror Al support structure at p12 of https://solid.jlab.org/DocDB/0002/000254/003/solid_hgc_zwzhao_20200608.pdf

test

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