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History: GEn

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Comparing version 4 with version 49

Version: 4 Version: 49 (current)
nerses - Tue 23 of May, 2006 [01:37 UTC] riordan - Tue 09 of Sep, 2008 [18:25 UTC]

@@ -Lines: 1-32 changed to +Lines: 1-48 @@
- !!- Back up of adaq cluster
* ~adaq/e02013 (without links to external file systems and root files)
* ~a-onl/crl (trigger configuration)
* ~a-onl/scaler (scaler data dumped)
* ~a-onl/scripts (scripts to put epics variables into data stream)
* ~adev/slowc (contains HV maps)
!!+ Documentation
+ Welcome to the Hall A E02-013 GEn experiment wiki page!
/>Experiment E02-013 is measuring the electric form-factor of the neutron (GEn) with a double-polarization technique. Polarized electrons are quasi-elastically scattered off the neutron in polarized Helium-3 nuclei, and the final state is exclusively selected by detecting the electron and neutron.

This site is highly unorganized, but we are trying to fix that. Please just deal with the clutter for now.

!! ((AnalysisMeetings|Meetings and minutes))
/>!! Base Equipment
/>* The ((NeutronDetector|Neutron Detector known as BigHand))
* The ((BigBite))Spectrometerr />* The ((Target)) of polarized Helium-3 and the reference cells

!! Analysis Categories and Issues
* ((BigBite Tracking and Drift Chamber Global Variables))
* ((Neutron Detector Analysis))
* ((Monte Carlo|Monte Carlo Reports and Package Documentation))r />* ((D.ctimeL1A|What is that D.ctimeL1A variable?))r />* ((Livetime|How to calculate the different livetimes))
* ((Scalers for GEn)) (in progress)
* ((AsymmetryCorrections|Corrections to apply to the raw asymmetry))
* Proposed ((GEnDB|GEn SQL database))

!! Theory />* ((Theory Topics|Bi-weekly Meeting Theory Topics)) />
!! Replays of the data:r />* ((Kin4:Pass1|Kin4's replay with a list of targets and run numbers))
* ((Pass0|Original Pass0 Online replay of the data))
/>
!! Looking for a run?
Brandon's log of the runs taken in the different kinematic settings and conditions is available here: [http:tiki-download_file.php?fileId=14|gen_runlog_brandon.txt (31.33 Kb)]

!!+ Running Conditions and DAQ formats
* ((AdaqBackup|Back up of adaq cluster))
* [http://hallaweb.jlab.org/experiment/E02-013/wiki/tiki-page.php?pageName=GEnRawDataStructure|GEn Raw Data Structure (by Robert Michaels)]
* ((GEnDocChannelMap|GEn hardware connection scheme))
- * ((GEnDocEpics|Epics variables)) />* ((GEnDocTrigger|Trigger schemes))
!!! GEn Raw Data Structure (by Robert Michaels) />!!!!- Overview
The raw data structure recorded in the GEn DAQ datastream will be described. This includes the following data:
# Event data recorded with each accepted trigger (fastbus and VME data from the two spectrometers and from the BPM and raster)
/># scalers
# EPICS information
# "special events" which are inserted once or infrequently during a run, such as prescale information and detector map.
+ * ((GEnSpecialEvents|Specially inserted events explained)): prescale factors, threshods, epics variables, high Voltages, ((GEnDocEpics|Epics variables))
* ((GEnDocDiag|GEn trigger and connection diagrams/schemes))

* [http:../RunPlan06/runplan.ps|Experiment run plan]
- These data are decoded by the Podd Analyzer classes developed for GEn, see also GEn Analyzer documentation. I won't go into that here, but suffice it to say you need an up-to-date database with correct crate map and detector maps.
+ !! ((GEnNMRData|GEn Target NMR measurments))
- I will not describe the various other datastreams in Hall A, such as Moller polarimeter, e-P energy measurement, Compton Polarimeter, etc.
- !!!! ((CodaDataFormat|CODA Data Format))
/>!!!! ((GEnCreateListing| The GEn List of Creates))<br />!!!! ((EventDecoder))
!!!! ((GEnEventFlags|Event Flags))
!!!! ((GEnDataFormatScalers|Scalers))
!!!! ((GEnDataFormatROC23Scalers|Event Readout of Scalers in ROC23))
!!!! ((GEnDataFormatTS|Trigger SupervisorCreate - ROC28))r />!!!! ((GEnDataFormatEpics| EPICS Information))
!!!! ((GEnDataFormatSpecialEvents|Special Events))
+ !! Simple tools/scripts (NOT for calibration)
* GNUPLOT nucleon Form-factor, cross-section and asymmetry formulas: [http:tiki-download_file.php?fileId=19|nucleonFF.gnuplot (2.83 Kb)]

History

Legend: v=view, s=source
Date User IpComment Version Action
Tue 09 of Sep, 2008 [18:25 UTC] riordan129.57.114.212  49
current		  v  s
Tue 09 of Sep, 2008 [18:17 UTC] riordan129.57.114.212  48  v  s  
Tue 15 of May, 2007 [18:45 UTC] feuerbac129.57.121.217  47  v  s  
Tue 10 of Apr, 2007 [20:14 UTC] feuerbac129.57.122.44add brief description of the experiment 46  v  s  
Tue 27 of Feb, 2007 [17:21 UTC] feuerbac129.57.122.44add stub for the target 45  v  s  
Thu 22 of Feb, 2007 [15:53 UTC] feuerbac129.57.122.44  44  v  s  
Wed 10 of Jan, 2007 [18:30 UTC] feuerbac129.57.122.44  43  v  s  
Wed 10 of Jan, 2007 [03:27 UTC] feuerbac70.174.118.170added link to scalers and asymmetry correction pages 42  v  s  
Mon 08 of Jan, 2007 [20:15 UTC] feuerbac129.57.122.44  41  v  s  
Thu 21 of Dec, 2006 [14:19 UTC] feuerbac129.57.122.44  40  v  s  
Tue 19 of Dec, 2006 [16:53 UTC] feuerbac129.57.122.44  39  v  s  
Tue 19 of Dec, 2006 [16:50 UTC] feuerbac129.57.122.44  38  v  s  
Tue 19 of Dec, 2006 [16:49 UTC] feuerbac129.57.122.44  37  v  s  
Tue 19 of Dec, 2006 [16:47 UTC] feuerbac129.57.122.44  36  v  s  
Tue 19 of Dec, 2006 [16:41 UTC] feuerbac129.57.122.44  35  v  s  
Mon 18 of Dec, 2006 [22:26 UTC] feuerbac129.57.122.44  34  v  s  
Mon 18 of Dec, 2006 [22:07 UTC] feuerbac129.57.122.44  33  v  s  
Mon 18 of Dec, 2006 [21:48 UTC] feuerbac129.57.122.44  32  v  s  
Mon 18 of Dec, 2006 [21:46 UTC] feuerbac129.57.122.44  31  v  s  
Mon 18 of Dec, 2006 [21:41 UTC] feuerbac129.57.122.44beginning of restructuring. 30  v  s  
Mon 27 of Nov, 2006 [18:15 UTC] franklin128.237.232.125  29  v  s  
Mon 27 of Nov, 2006 [18:14 UTC] franklin128.237.232.125  28  v  s  
Thu 16 of Nov, 2006 [18:57 UTC] feuerbac129.57.122.44  27  v  s  
Tue 07 of Nov, 2006 [13:31 UTC] feuerbac129.57.122.44  26  v  s  
Mon 11 of Sep, 2006 [19:57 UTC] nerses129.57.122.43The replay section was added 25  v  s  
Thu 17 of Aug, 2006 [19:16 UTC] riordan128.2.112.124  24  v  s  
Thu 17 of Aug, 2006 [19:16 UTC] riordan128.2.112.124  23  v  s  
Thu 17 of Aug, 2006 [19:16 UTC] riordan128.2.112.124  22  v  s  
Thu 17 of Aug, 2006 [19:14 UTC] riordan128.2.112.124  21  v  s  
Wed 26 of Jul, 2006 [23:03 UTC] nerses129.57.121.99The GEnNMRData|GEn link added 20  v  s  
Wed 26 of Jul, 2006 [23:00 UTC] nerses129.57.121.99Removed the stale test external href 19  v  s  
Mon 17 of Jul, 2006 [20:49 UTC] feuerbac129.57.34.197  18  v  s  
Fri 14 of Jul, 2006 [14:25 UTC] aserg129.57.34.98  17  v  s  
Fri 07 of Jul, 2006 [19:12 UTC] nerses129.57.35.76Added new page GEnDB and link to Bob Michales RawDataStruct changed to hallaweb 16  v  s  
Tue 20 of Jun, 2006 [15:28 UTC] nerses129.57.35.76Added info about SILO backup 15  v  s  
Tue 06 of Jun, 2006 [20:04 UTC] nerses129.57.35.76adev/doc was added 14  v  s  
Tue 06 of Jun, 2006 [19:12 UTC] nerses129.57.35.76List of backups updated 13  v  s  
Tue 06 of Jun, 2006 [18:02 UTC] nerses129.57.35.76GEnSpecialEvents title updated 12  v  s  
Fri 02 of Jun, 2006 [14:06 UTC] nerses129.57.35.76GEnSpecialEvents page was added 11  v  s  
Thu 25 of May, 2006 [01:11 UTC] nerses129.57.35.76Now, the GEnRawDataStructure is link to HTML page (inside tiki) 10  v  s  
Tue 23 of May, 2006 [22:31 UTC] nerses129.57.35.76Backup path was changed, and GEn Raw Data Structure is in box, now. 9  v  s  
Tue 23 of May, 2006 [15:55 UTC] aserg129.57.34.98  8  v  s  
Tue 23 of May, 2006 [15:26 UTC] aserg129.57.34.98  7  v  s  
Tue 23 of May, 2006 [15:18 UTC] aserg129.57.34.98  6  v  s  
Tue 23 of May, 2006 [01:48 UTC] nerses129.57.35.76  5  v  s  
Tue 23 of May, 2006 [01:37 UTC] nerses129.57.35.76  4  v  s  
Tue 23 of May, 2006 [01:08 UTC] nerses129.57.35.76  3  v  s  
Fri 19 of May, 2006 [22:57 UTC] nerses129.57.35.76  2  v  s  
Thu 11 of May, 2006 [00:13 UTC] nerses129.57.35.76  1  v  s  
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