Difference between revisions of "Target Lab Main"

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This is main page for work in EEL target lab since 2010.
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This is main page for work in EEL Target Lab since 2010.
  
== Experiment Log ==
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= Current Activity =
  
=== TODO List ===
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* 2013/09
 +
** PNMR test: at the corner of the target enclosure. It involves very low power signal detection and the risk is below the Code 1 level.
 +
** density measurement: redo the setup
 +
** laser test: testing new lasers
  
 +
= info =
  
* {{pass |Clean and organize target lab}}
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== Meeting ==
 +
*collaboration meeting
 +
**[[meeting on polarized 3He target for 12 GeV experiments on Aug 15,2012]]
 +
**[http://hallaweb.jlab.org/12GeV/experiment/A1n/Meetings/ Hall A A1n meeting on May 24,2012]
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**[https://hallcweb.jlab.org/wiki/index.php/Meetings  Hall A and Hall C polhe3 meeting on January 5, 2012]
 +
**[http://www.jlab.org/Hall-C/talks/06_17_10/ Workshop on High Luminosity Polarized Targets for the 12GeV Era on June 17, 2010]
  
* {{pass |Around He3 Cell}}
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*weekly meeting
** {{pass |Oven positioning}}
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We have polhe3 meeting weekly on Monday in room F227.
** {{pass |Holding field hardware}}
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minutes: '''[[polhe3_meeting | Minutes of polhe3 weekly meeting]]'''
** {{pass |Air flow test}}
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agenda: '''[[polhe3_agenda | Agenda of polhe3 weekly meeting]]'''
** {{pass |Heater test}}
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** {{pass |Setup RTD reader}}
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** {{pass |Setup spectrometer}}
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** {{pass |Install He3 cell}}
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** {{pass |Install target chamber pickup coils}}
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** {{pass |Attach RTDs}}
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* {{pass |Laser Subsystem}}
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== File directory ==
** {{pass |Cleaning optics stuff}}
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** {{pass |[[Target_Lab_Main#1.2F4-Wave_Plate_Calibration | Q-wave plate calibration]]}}
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** {{pass |Install optics}}
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** {{pass |low power alignment}}
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** {{pass |High power check}}
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** {{pass |Optical Pumping Operational}}
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* NMR Polarimetery
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upload files to sub-directories of /u/group/halla/www/hallaweb/html/equipment/targets/polhe3/lab/
** {{pass |NMR RF Delivery}}
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** {{pass |Pumping chamber pick up coil setup}}
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** {{pass |Target chamber pick up coil setup}}
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** {{pass |pick up coil alignment}}
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** {{pass |NMR code}}
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** {{pass |NMR Operational}}
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** {{warning|water NMR}}
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* {{warning|EPR Polarimetery}}
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then you can see them at http://hallaweb.jlab.org/equipment/targets/polhe3/lab/
** {{warning|EPR RF Delivery}}
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** {{warning|D2 light collection}}
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** {{warning|EPR code}}
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** EPR line shape
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** EPR frequency lock
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** EPR Operational
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== Records ==
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== elog ==
  
=== Cell Installed, Arp 04, 2010 ===
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https://hallaweb.jlab.org/dvcslog/He3+Target/
  
* Name: Boris
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== Lab Work Schedule ==
* Density: ??
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* ...
+
  
=== Oven Test ===
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[https://bit.ly/2OIsBvf Lab Work Schedule]
  
==== Heater Test ====
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== emailist ==
  
Oven is tested on Mar 24, 2010 without cell. Gas flow is 5~6 in mechanical meter, 508 on digital meter.
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email list is "polhe3 at jlab.org"
  
* If turn on the constant heater only (set temperature -> 20C), heater temp reached 212C, oven reached 154C
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[https://mailman.jlab.org/mailman/listinfo/polhe3 registration and archive]
  
==== Air Flow meter Calibration @ Mar 9, 2010 ====
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the administrator is Zhiwen Zhao (zwzhao at jlab.org)
  
Air flow meter in oven control chassis is cross calibrated with mechanical air flow meter at target.
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= Individual System R&D =
  
{| class="wikitable" border="1"
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*[[polhe3_heat | heat]]
|-
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*[[polhe3_laser | Laser]]
!  Mechanical Flow Meter
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*[[polhe3_optics | optics]]
!  Digital Flow Meter
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*[[pulse NMR | Pulse NMR]]
|-
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*[[polhe3 EPR | EPR]]
| 1
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*[[Convection Cell]]
| 260
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*[[polhe3_coating | Coating]]
|-
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*[[polhe3 Metal Windows | Metal Windows]]
|  3
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*[[polhe3 masing | masing ]]
|  390
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*[[polhe3 density | density]]
|-
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|  5
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|  490
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|-
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| 7
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| 600
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|}
+
  
Alarm 4 is set at 280.
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= Experiment Log =
  
===1/4-Wave Plate Calibration===
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*[[polhe3 todo list |'''todo list''']]
3/15/2010 <br \>
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*[[polhe3 cell wall thickness measurement|Cell Thickness Measurement]]
COMET LASER (JLAB #1) <br \>
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*[[diffusion rate | Diffusion Rate]]
half power - 12.2 W <br \>
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*[[polhe3 oven air flow | oven air flow]]
I=30A  T=20C <br \>
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*[[Temperature optimization | Temperature Optimization]]
{| class="wikitable" border="1" style="text-align:center"
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*[[Lab Records | EEL Target Lab Records before 2010 September]]
|-
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*[[polhe3 log convection test|convection test]]
!  1/4-Wave Plate
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!  Angle
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!  Residual Power
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|-
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| #101
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| 286°
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| Reference
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|-
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|  #102
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|  214°
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|  272 mW
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|-
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|  #19
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|  127°
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|  256 mW
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|-
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|  #16
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|  330°
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|  185 mW
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|-
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|  #21
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|  240°
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|  165 mW
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|-
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|  #2
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|  76°
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|  55 mW
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|-
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|  #25
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|  120°
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|  164 mW
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|-
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|  #20
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|  225°
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|  114 mW
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|}
+
  
Also #17 and #7 are identified as '''half wave plates'''.
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=  virtual stockroom =
  
=== Cell Inventory ===
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*[[He3 gas inventory | He3 Gas Info]]
 +
*[[polhe3 cell inventory | New Cell Info]]
 +
*[[Cell Inventory | Cell Inventory]]
 +
*[[polhe3 item material list | item and material list ]]
 +
*[[polhe3 wanted item list 2011 summer|wanted Item List 2011 summer]]
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*[[polhe3 borrowing and lending list | borrowing and lending list ]]
 +
*[[polhe3 electronics list | electronics list ]]
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*[[Polhe3_electronics_list_2014 | electronics list 2014]]
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*[[Polhe3_electronics_list_2019 | electronics list 2019]]
 +
*[[polhe3 laser list | laser list ]]
 +
*[[polhe3 short laser fibers | fiber tips status ]]
  
==== Cell Inventory @ Mar 2009 by JP ====
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= program =
  
[[Image:Img-317191319-0001 3.png|thumb|Target cell inventory by JP Chen @ Mar 17, 2010 ]]
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[[polhe3 online program|online program]]
  
* Cells Inside the Cabinet
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[[polhe3 analysis code|analysis code]]
** Sally
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** Zoe (Left Side Icecone)
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** Queen Mary (W&M #9) 8/01/03
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** Patton (Mike) IceCone c1720, 6/1/03
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** 2x25cm Ref Cell
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** Water Cell
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** 1st water cell Ronn Mike Poseidon
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** Ref Cell (no label outside)
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** (1 old laser)
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* Outside the Cabinet - Bottom Corner
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** GEE WEE (Gen Cell, Rb Only)
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** 40cm C1720 Pablum he3 cell  -> Duke Univ
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** 40cm C1720 Ref cell  -> Duke Univ
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** 40cm GE180 Ref cell  -> Duke Univ
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** 2 icecone ref cells
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** Eva Hybrid 40cm cell, filled 8/10/05
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** 2 water cells, 3/20/2007
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** A1n/g2n ref cell (Used) summer 2001 Received at UVA 3/2002
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** Veronica GE180 (Wily) ice cone
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** GEN Ref Cell "GMA" (Mike) 2/21/2006
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** He3 Cell : "Hamlet" 90Degree Pull off 3'' PC K/Pb 7/16/2007 8.5amg
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** Pushkin C1720 Icecone Ref Cell
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** "Al" the cell
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** GEn Style water cell, small PC, willy, GE180
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**Old Ref Cell  (ice cone)
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** Pyrex water cell (Willy) 4/2003
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** Archie (W&M) 5/30/2007 42Degree K/Rb  7.73 amg
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** Russel (W&M) 10/9/2007 Ay K/Rb  7.62 amg
+
  
=== Manuals ===
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= Docs =
*[[Holding Field Control]]
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*the doc directory http://hallaweb.jlab.org/equipment/targets/polhe3/lab/
*[[NMR Measurement]]
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*[[EPR Measurement]]
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*[[Laser Control]]
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*[[Oven Control]]
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== Old Hall Setting Documentations ==
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*recent talks
*[http://hallaweb.jlab.org/equipment/targets/polhe3/polhe3_tgt.html Basic He3 Target Information]
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**[http://hallaweb.jlab.org/12GeV/SuperBigBite/SBS-minutes/2013/a1n_target_feb_2013_v1.pdf Gordon's A1n target talk on 2013/02/13]
*[http://tun1.jlab.org:3389/PolHe3/ He3 Target Logbook]
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**[http://www.jlab.org/Hall-C/talks/01_24_13/solvignon.pdf Patricia HallC target 2013/01/25]
*[[Target Ladder diagram]]
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**[http://hallaweb.jlab.org/collab/meeting/2012-winter/talks/Tuesday%20Morning/JLab%20Polarized%203He%20Target%20Status_Jie.pdf Jie Liu HallA Collaboration meeting 2012/12/11]
*[[Complete System Diagram]]
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**[http://hallaweb.jlab.org/12GeV/experiment/A1n/Meetings/a1n_may_24_2012_v1.pdf Gordon's A1n target talk on 2012/5/24]
*[[Target preliminary survey of ladder before change ( scheduled to be done on monday November 11th 2008) ]]
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**[http://hallaweb.jlab.org/experiment/A1n/collab_mtg_5_25_2012/chen_a1n_target_jlab.ppt JP's A1n target talk on 2012/5/24]
*[[Strip Charts]]
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**[http://hallaweb.jlab.org/12GeV/SuperBigBite/SBS-minutes/2012/a1n_april_4_2012_v2.pdf Gordon's A1n target talk on 2012/4/4]
*[[Special Procedure For Moving Target]]
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**[http://wwwold.jlab.org/Hall-C/talks/01_13_12/solvignon2.pdf "Polarized 3He Target in Hall C" P. Solvignon at HallC Collaboration meeting on 2012/1/13]
*[[Procedure for Longitudinal 3He Elastic Measurement]]
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**[http://hallaweb.jlab.org/equipment/targets/polhe3/lab/doc/a1n_target_june_2011.pdf Gordon's A1n target talk on 2011/6/8]
*[[Target Slow Control]]
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**[http://hallaweb.jlab.org/equipment/targets/polhe3/lab/doc/Chen_2_11.pptx JP's lunch seminar talk on 2011/02/23]
*[[Online Spin Flip]]
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=== Check Lists ===
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*other talks and notes
* [[eed Target Operator Check List]]
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**[http://hallaweb.jlab.org/experiment/transversity/ 6GeV tranversity thesis]
* [[Target Operator Check List]]
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**Jaideep's file https://userweb.jlab.org/~singhj and https://userweb.jlab.org/~singhj/docs and a copy https://hallaweb.jlab.org/equipment/targets/polhe3/lab/doc/singhj.tgz
* [[d2n Target Operator Check List]]
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**Yi Qiang's file https://userweb.jlab.org/~yqiang/work.html and https://userweb.jlab.org/~yqiang/files/target and a copy https://hallaweb.jlab.org/equipment/targets/polhe3/lab/doc/yqiang.tgz
* [[Hall Access Check List]]
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**Yawei Zhang's file https://userweb.jlab.org/~yawei and a copy https://hallaweb.jlab.org/equipment/targets/polhe3/lab/doc/yawei.tgz
* [[Target Enclosure Work Checklist]]
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**[http://hallaweb.jlab.org/equipment/targets/polhe3/lab/doc/01-012.pdf M.Liang's EPR note]
 +
**[https://hallaweb.jlab.org/equipment/targets/polhe3/lab/epr/epr.pdf Yawei's EPR note]
  
=== Expert Information ===
+
*Testing Procedure
*[[eed Target Calibration List]]
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**[[polhe3 target lab howto | collection of howto]]
*[[Ay Target Calibration List]]
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**[[Cell testing method | Cell testing method]]  
*[[d2n Target Calibration List]]
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**[[He3 Target Test Items]]
*[[Transversity Target Calibration List]]
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*[[NMR water cell calibration]]
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* Outside meeting
*[[EPR Measurement]]
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** [http://iopscience.iop.org/1742-6596/294/1 2010 JCNS Workshop]
*[[cable list]]
+
 
*[[Laser]]
+
-----
*[[2009 Holiday Schedule]]
+
 
*[[ToDo List as Oct 2, 2008|ToDo List]]
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'''Go back to [[Hall_A_He3_Polarized_Target]]'''

Latest revision as of 14:02, 9 September 2021

This is main page for work in EEL Target Lab since 2010.

Current Activity

  • 2013/09
    • PNMR test: at the corner of the target enclosure. It involves very low power signal detection and the risk is below the Code 1 level.
    • density measurement: redo the setup
    • laser test: testing new lasers

info

Meeting

  • weekly meeting

We have polhe3 meeting weekly on Monday in room F227.

minutes:  Minutes of polhe3 weekly meeting
agenda:  Agenda of polhe3 weekly meeting

File directory

upload files to sub-directories of /u/group/halla/www/hallaweb/html/equipment/targets/polhe3/lab/

then you can see them at http://hallaweb.jlab.org/equipment/targets/polhe3/lab/

elog

https://hallaweb.jlab.org/dvcslog/He3+Target/

Lab Work Schedule

Lab Work Schedule

emailist

email list is "polhe3 at jlab.org"

registration and archive

the administrator is Zhiwen Zhao (zwzhao at jlab.org)

Individual System R&D

Experiment Log

virtual stockroom

program

online program

analysis code

Docs


Go back to Hall_A_He3_Polarized_Target