Difference between revisions of "BigBite GRINCH"
From Hall A Wiki
m (→Geant4 Simulation) |
m |
||
| Line 29: | Line 29: | ||
*[https://hallaweb.jlab.org/wiki/images/1/16/Magnetic_Measurements_20_Amps_Oct_8_2015.pdf Magnetic Measurements 20 Amps] 08/17/2015 | *[https://hallaweb.jlab.org/wiki/images/1/16/Magnetic_Measurements_20_Amps_Oct_8_2015.pdf Magnetic Measurements 20 Amps] 08/17/2015 | ||
*[https://hallaweb.jlab.org/wiki/images/a/ac/Magnetic_Testing_2nd_test_100_Amps_Nov_9_2015.pdf Magnetic Testing 2nd test 100 Amps] 09/09/2015 | *[https://hallaweb.jlab.org/wiki/images/a/ac/Magnetic_Testing_2nd_test_100_Amps_Nov_9_2015.pdf Magnetic Testing 2nd test 100 Amps] 09/09/2015 | ||
| − | *[https://arxiv.org/pdf/1503.03138.pdf A Threshold Gas Cherenkov Detector for the Spin Asymmetries of the Nucleon Experiment] 04/08/2015 | + | *[https://arxiv.org/pdf/1503.03138.pdf A Threshold Gas Cherenkov Detector for the Spin Asymmetries of the Nucleon Experiment] 04/08/2015 |
=== Design === | === Design === | ||
| Line 100: | Line 100: | ||
**[https://hallaweb.jlab.org/wiki/images/e/ea/Pi_eff.pdf pi- efficiency] | **[https://hallaweb.jlab.org/wiki/images/e/ea/Pi_eff.pdf pi- efficiency] | ||
*[https://hallaweb.jlab.org/wiki/images/2/2e/With_80per_ref.pdf Huan simulation w/o coated iron, 2016] --C. Ayerbe 07/19/2017 | *[https://hallaweb.jlab.org/wiki/images/2/2e/With_80per_ref.pdf Huan simulation w/o coated iron, 2016] --C. Ayerbe 07/19/2017 | ||
| − | *[https://hallaweb.jlab.org/wiki/images/4/4c/GRINCHperformance_acceptance_20170808_Fuchey.pdf GRINCH performance estimated with g4sbs] --08/08/2017 | + | *[https://hallaweb.jlab.org/wiki/images/4/4c/GRINCHperformance_acceptance_20170808_Fuchey.pdf GRINCH performance estimated with g4sbs] --08/08/2017 |
=== Prototype Gas Cherenkov Detector === | === Prototype Gas Cherenkov Detector === | ||
| Line 156: | Line 156: | ||
**[https://hallaweb.jlab.org/wiki/images/c/c7/PMT_by_10_final_as_installed_24-Jul-2017.pdf GRINCH PMT HV, gains] | **[https://hallaweb.jlab.org/wiki/images/c/c7/PMT_by_10_final_as_installed_24-Jul-2017.pdf GRINCH PMT HV, gains] | ||
**Original TXT file ([https://hallaweb.jlab.org/wiki/images/a/a3/Group_pmts_output10toddslist.txt part 1], [https://hallaweb.jlab.org/wiki/images/a/a8/Group_pmts_take2_output10.txt part 2]) | **Original TXT file ([https://hallaweb.jlab.org/wiki/images/a/a3/Group_pmts_output10toddslist.txt part 1], [https://hallaweb.jlab.org/wiki/images/a/a8/Group_pmts_take2_output10.txt part 2]) | ||
| − | **GRINCH PMT map ([https://hallaweb.jlab.org/wiki/images/5/5e/Run3022_3Trigger_track_top.png top], [https://hallaweb.jlab.org/wiki/images/b/b9/Run3022_3Trigger_track_low.png bottom]) | + | **GRINCH PMT map ([https://hallaweb.jlab.org/wiki/images/5/5e/Run3022_3Trigger_track_top.png top], [https://hallaweb.jlab.org/wiki/images/b/b9/Run3022_3Trigger_track_low.png bottom]) |
* <font size="3">'''GRINCH TESTS IN TED HIGH BAY'''</font> | * <font size="3">'''GRINCH TESTS IN TED HIGH BAY'''</font> | ||
**[https://hallaweb.jlab.org/wiki/images/a/a9/GRINCH_HVMap.pdf GRINCH HV cable map] [[File:Blinking new.gif]] | **[https://hallaweb.jlab.org/wiki/images/a/a9/GRINCH_HVMap.pdf GRINCH HV cable map] [[File:Blinking new.gif]] | ||
Revision as of 12:02, 4 January 2021
Contents
GRINCH Presentations
- GRINCH Meeting (2014)
- GRINCH status update (SBS weekly) --B. Yale 11/21/2019
- Summer 2020 SBS Collab. meeting --B. Yale 7/14/2020
- GRINCH status update (SBS weekly) --B. Yale 11/16/2020
GRINCH Documentation
Background
- SLAC DIRC Collaboration
- Test of a large scale prototype of the DIRC, a Čherenkov imaging detector based on total internal reflection for BaBar at PEP-II --10/01/1997
- Status of the DIRC detector at BaBar: early operational experience --10/11/2000
- The DIRC particle identification system for the BaBar experiment --02/11/2005
- SHMS cherenkov -- 01/2011
- SHMS cherenkov -- 08/05/2008
- SHMS cherenkov -- 06-24-2009
- The CO2 gas Cherenkov detectors for the Jefferson Lab Hall-A spectrometers -- 12/12/1997
- Hall A Technical Note for the BigBite Cerenkov Detector --12/21/2010
- The Magnetic Distortion Calibration System of the LHCb RICH1 Detector --06/04/2012
- Boron and thermal neutron interactions on borosilica window photomultiplier tubes (LHC-Study) --07/24/2012
- Neutron Note --07/24/2012
- A GEANT Simulation of Background Rate for transversity --07/24/2012
- Cherenkov kinematics quick calculator --04/05/2005
- GRINCH technical report --Todd Averett] 08/17/2012
- The GRINCH design technote (v2) --06/18/2013
- Prototype GRINCH magnetic measurements -- NC A&T 06/24/2013
- Magnetic Measurements 20 Amps 08/17/2015
- Magnetic Testing 2nd test 100 Amps 09/09/2015
- A Threshold Gas Cherenkov Detector for the Spin Asymmetries of the Nucleon Experiment 04/08/2015
Design
- Top view layout of GRINCH --(cm) Red is entrance, Yellow is exit, Green is front surface of PMT array 04/04/2013
- PMT Box Prototype --(cm) 04/04/2013
- PMT Box --(cm) 04/04/2013
- Top view layout of GRINCH --Susan Esp 08/20/2013
- Mirror CAD -- 11/08/2013 (including clean room drawing)
- PMT Array Box CAD -- 01/23/2014
- GRINCH Final Assembly Drawings -- 08/04/2018
Gas
- C4F8O Safety Data Sheet --11/16/2011
- C4F8O Transmission --06/21/2012
According to figure on page 4, <math> ABS_L=7424.75cm </math>
<math> I=I_0 e^{\lambda/ABS_L} </math>
- Test in d2n
- GRINCH pressure vs. height (expected) --B. Yale 05/2020
Mirror
- Light-weight spherical mirrors for Cherenkov detectors -- 07/24/2012
- Mirror reflectivity technical note -- 11/07/2012
- Mirror reflectivity report -- 09/19/2012
- Mirror reflectivity vs wave length of photon with fit parameters -- 09/20/2012
- Operation Manual for Reflectivity Measurement Setup of Free Electron Laser Facility at Jefferson Lab -- 01/04/2013
- Reflectivity for mirror samples -- 01/09/2013
- GRINCH mirror technical report --Scott Barcus 09/10/2014
- GRINCH mirror alignment/acceptance test (coming soon)
- GRINCH mirror position measurements --B. Yale 12/13/2020
PMT
- 29mm (1.13") photomultiplier 9125B --- Quantum Efficiency Fit for this PMT
- Overview of the DIRC detector Chapter 6 discusses the PMTs. --08/17/2012
- Description of the glass corrosion of the PMTs --08/17/2012
- Table comparing the PMTs before and after gluing --08/17/2012
- Setup and Procedure for DIRC PMT Testing --Eric Jensen 10/03/2011
- Hall A Summer Projects PMT testing and SciFi construction --Eric Jensen 08/17/2012
- Summer interns DIRC poster Summarizes the repair and testing of the PMTs -- 08/17/2012
- DAQ diagram for PMT Test -- 11/18/2012
- PMT Gluing Procedure --Scott Barcus 02/07/2013
- 02/07/2014: Short update on PMT testing @ JMU --- Ioana Niculescu
- pedestal, 1pe, and signal for PMT #2043 @ 900V
- pedestal, 1pe, and signal for PMT #2044 @ 1050V
- gain vs HV for a few of the PMTs tested.
- 08/14/2014: Short update on PMT testing @ JMU --- Gabriel Niculescu
- Finished testing 360 PMTs, another 60 in progress.
- Ordered various UV LEDs (350 nm, 375 nm, and 400 nm). Can buy lower wavelength if necessary ($$).
- Table with PMT parameters is here
- Tried to match PMTs in groups of 8 (PDF)
- Text - only details here
- Output file with the PMT grouped by gain
- WLS Paint Technical Report --- Scott Barcus
Geant4 Simulation
svn checkout svn+ssh://username@wm-jlab.physics.wm.edu/home/username/SVN/SVN
- A1n Simulation Geometry(cm,deg) --Huan Yao 06/18/2013
- Efficiencies with uniform Bigbite magnetic field and theory-modeled mirror locations --Huan Yao 09/26/2013
- Huan simulation w/o coated iron, 2016 --C. Ayerbe 07/19/2017
- GRINCH performance estimated with g4sbs --08/08/2017
Prototype Gas Cherenkov Detector
- A1n Gas Cherenkov Detector Report --Bo 03/09/2012
- Prototype II --04/26/2012
- OSP for Prototype Gas Cherenkov Detector Testing during g2p and gEp experiment --11/16/2011
- Support plate drawings submitted to machine shop --01/31/2012
- Prototype Gas Cherenkov V2 --11/21/2011
- Parasitic Beam Test Request --12/05/2011
- Hall A Floor for Prototype Gas Cherenkov Detector Testing --12/05/2011 Move the whole det to the RHRS.
- PMT Calibration --03/12/2011
- Prototype II with Lucite] --05/03/2011
- Prototype gas Cherenkov Detector Report --Huan Yao 05/23/2012
- Honors Thesis --Christine MacLean 05/23/2012
- Prototype tests
- Inventory at ESB --10/27/2017
DAQ for Prototype
- Prototype Gas Cherenkov Electronics, HV, ROC connections --04/05/2011
- Spare cables --02/01/2012
- Electronics Data Sheets
- Electronics Manuals
- Cable Map for prototype Gas Cherenkov Electronics --04/05/2011
- Cable Map for other detectors of prototype Gas Cherenkov detector like scintillators and lead-glass calorimeter --04/05/2011
- CODA
- High Voltage
- ANALYZER
- VME Crate Reset
- VNC
- Scaler
- List of target encoder positions (Column 4)
- A 16-channel Digital TDC Chip with internal buffering and selective readout for the DIRC Cherenkov counter of the BABAR experiment
- VETROC Tests Report ---Scott Barcus
- Instructions for Running the GRINCH DAQ ---Scott Barcus
RUN INFO
Prototype Run Information READ ONLY: guest/guest (broken)
GRINCH ASSEMBLY
- INSTALLED PMT INFORMATION
- GRINCH PMT HV, gains
- Original TXT file (part 1, part 2)
- GRINCH PMT map (top, bottom)
- GRINCH TESTS IN TED HIGH BAY
TO DO LIST
- Test CODA 3, check cables
- Replace door gasket, seal door
- Leak check, leak rate measurement
- PMT gain matching
CONTACTS
- Todd Averett: tdaver@jlab.org
- Bradley Yale: byale@jlab.org
