Use this interface to pick a CLAS12 task that you would like to contribute to. Everyone can contribute but please pick tasks that match your expertise. At the end of the year, make sure that the tasks that you were responsible for are included into your institute's SoS and reviewed by your IR before the SoS is submitted to the CLAS Service Work Committee.
CLAS12 Task List
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|SLOW||Slow Controls for Saclay target||Someone is needed to work on the slow controls of the Saclay target. Labview
will be used. FX Girod will be the local supervisor, while Steve Christo, Chris
Keith and Chris Carlin will be assisting with their expertise.
Expertise required: PhD student or post-doc with LabView experience/knowledge
|February 27, 2015||6 months of work||none|
|DC||Drift Chamber Positioning Survey and Torus Field Mapping||Develop methods to place/survey marks on the torus to which the magnetic field
measurements will be referenced, and also to which corresponding marks on the
chambers will be aligned, either visually by surveyors or perhaps using
proximity sensors. Develop equipment and techniques to measure the torus
magnetic field to a part per thousand. Starts in 2014.
Expertise required: Not specified
|Hardware||0.300||Mac Mestayer||Dec 31, 2014||4 hrs/wk. 2 mo (design); 8 hrs/wk. 8 mo (constr.); 2 mo data+ana||JLAB (Volker Burkert)
since Feb 10, 2014
|SVT||SVT tests||Help needed for the SVT project, related to electrical testing of the SVT
modules (cosmic ray tests and data analysis). Currently the SVT project has one
engineer and some technicians.
Expertise required: Basic knowledge of c++ and root framework.
|Hardware||0.500||Amrit Yegneswaran||Dec 31, 2014||2 days/week||none|
|CTOF||Monte Carlo||MC Simulation of the CTOF readout.
Expertise required: PhD student
|Dec 31, 2014||Not specified||none|
|CTOF||Laser Calibration refurbishment||Refurbish the Laser Calibration System (LCS) for 96 channels (possible task for
Expertise required: PhD Student
|Hardware||0.500||Vitali Baturin||Dec 31, 2014||Not specified||none|
|Other||Slow controls||This task concerns: FTOF, FCAL, PCAL, DC, SVT, Micromegas, CND, CTOF, Forward
Tagger, RICH, Moeller, Beamline, HTCC.
Define the Slow control requirements in terms of configuration and monitoring.
Write shell scripts or code to do any initialisation of the hardware and any
other slow control tasks.
Develop any GUI's required for monitoring / interacting with the hardware.
Expertise required: PhD student. Basic knowledge of Unix/Linux.
Expertise required: PhD student. Basic knowledge of Unix/Linux
|Software||0.300||Kenneth Livingston||Dec 31, 2014||3 months between between June 2013 - Dec 2014||none|
|CTOF||Software for the LCS||Software for the Laser Calibration System. LabView for motor motion and filter
Expertise required: PhD Student
|Software||0.200||Vitali Baturin||Dec 31, 2014||Not specified||none|
|SVT||Beam tests at Fermilab||SVT test stands at Fermilabís Silicon Detector Facility are set up for testing
the hybrids, calibrating and burning in the modules. All QA/QC procedures are in
place. Testing, calibration, and posting of the data to JLabís electronic
logbook are automated. Slow control and monitoring software validated. SVT
module production schedule will consist of ten shifts. Each shift will be
handled by one operator and is one month long with two day overlap for training
Expertise required: No particular expertise is required, training will be provided.
|Oct 31, 2014||Once, for the duration of three months||none|
Completed CLAS12 Service
Completed tasks are listed here and should be copied to the SoS of the contributing institute at the end of the year. Completed tasks can not be deleted from this table.
|Subsystem||Task||Description||Category||Contact(s)||Start Date||End date||Recurrence||Responsible||FTE Accumulated|
|DC||Monitoring Software||Develop procedures to display relevant track reconstruction parameters during online data-taking; including histograms of hit wires (raw and used on tracks), as well as time distributions, and various track-related quantities, such as number of hits per track, the time-differences of neighboring hits, perhaps the number of clusters found per event per region, etc.||Software||Mac Mestayer||December 31, 1969||Jun 30, 2014||Start in 2014; 4 - 8 hrs/wk. for 1/2 year||none||0.100|
|CTOF||LCS tests||Standalone testing of the LCS at JLAB||Hardware||Vitali Baturin||December 31, 1969||Apr 30, 2014||Two months in 2014, start time- Feb. 2014.||none||0.200|
|DC||Track Reconstruction Software||Write programs to identify clusters of hit wires, to identify possible track segments within the clusters, and to link the segments from various superlayers to form the hit ensemble used for track-fitting; also develop codes to produce trajectories through magnetic field regions and to calculate intersections with wire planes and to calculate distances of closest approach to wires. Form methods to estimate the chi-squared of such tracks and to adjust the track parameters to search for the minimum chi-squared track.||Software||Mac Mestayer||December 31, 1969||December 31, 2013||Start in 2012 or 2013; 4 - 8 hrs/wk. for one year||none||0.200|
|FTOF||Develop FTOF timing calibration software suite||Work to develop FTOF timing calibration software suite - replacement of GAMECOCK software - for panel-1a, 1b, and 2.||Software||Daniel Carman
|April 3, 2013||December 31, 2013||Oct. 2012 - Dec. 2013||CMU (Haiyun Lu)||0.300|
|DC||Drift Chamber Hit Reconstruction Software||Develop the geometry codes to locate the wires in space with provisions for misalignments, misplacements and distortions. Also, develop codes to correct raw time values for fixed cable offsets and time-walks as well as codes to calculate the likely distance of closest approach of a track to a wire as a function of the corrected drift time, including corrections for varying ionization (beta-dependent) and different 'local angle' of the track as it passes through the cell.||Software||Mac Mestayer||December 31, 1969||December 31, 2013||Start in 2012 or 2013; 4 - 8 hrs/wk. for one year||none||0.200|
|FTOF||Software development||Work to develop code to combine timing information from panel-1a and 1b to optimize timing resolution.||Software||Daniel Carman
|April 2, 2013||December 31, 2013||Oct. 2012 - Dec. 2013||unknown (Guest)||0.100|
|DC||Databases creation||Create several data-bases: 1) a calibration data-base which holds the various time offsets needed to convert raw TDC time to drift time, as well as the parameters needed to convert drift time to drift distance, 2) an equipment malfunction data-base which keeps a record of the status of various pieces of hardware: high voltage, low-voltage, on-chamber boards, ADB/TDC boards, individual channels; the status will include dates of change of status to allow Monte Carlo programs to follow the status of parts of the chamber which might change mid-run-period, 3) a construction data-base which records the receipt and acceptance testing of the components; especially the electronics; it should also record the time-dependent measurement of wire tensions, and, ideally, the results of various surveys of the chambers||Software||Mac Mestayer||December 31, 1969||December 31, 2013||Start in 2012 or 2013; 4 - 8 hrs/wk. for one year||none||0.200|
|FTOF||Analysis of cosmic ray data||Assist few days/week periodically on analysis of cosmic ray data||Software||Daniel Carman||December 31, 1969||December 31, 2013||Few days/week periodically||none||0.100|
|CTOF||Magnetic Shield Tests||Dynamical Magnetic Shield Tests at 1500G fringe fields (possible task for Saclay, we have no space to run our SC Solenoid at Jlab).||Hardware||Vitali Baturin||December 31, 1969||November 30, 2013||Two months in 2013, start time Sep 2013.||none||0.200|
|CTOF||LCS tests||Standalone testing of the LCS at JLAB||Hardware||Vitali Baturin||October 28, 2013||October 28, 2013||Two months in 2014, start time- Feb. 2014.||GWUI (William John Briscoe)||0.000|
|FTOF||HV calibration software||Work to update existing HV calibration suite for online HV setting and gain matching - replacement of tofHVcalib software.||Software||Daniel Carman
|December 31, 1969||September 27, 2013||Oct. 2012 - Dec. 2012, 6 to 8 m-w of effort||none||0.200|
|FTOF||Time walk correction||Work to develop time walk correction code based on existing USC algorithms using cosmic ray tracks.||Software||Daniel Carman||October 15, 2012||September 27, 2013||Oct. 2012 - Mar. 2013||ODU (Chandra Nepali)||0.100|
|DC||Commissioning Team Member||Help with the myriad jobs during commissioning time: connecting cables, connecting and monitoring gas systems, turning on systems, looking at signals on 'scopes, setting discriminator voltages, minimizing noise, looking at raw TDC output, checking channel to wire maps, looking at online monitoring plots and finally at the output of tracking from either cosmics or beam-produced particles.||Hardware||Mac Mestayer||December 31, 1969||June 30, 2013||Start in 2014; 20 hrs/wk. for 1/2 year||none||0.250|
|FTOF||Software for timing calibration||Work to develop software suite for timing calibration using 3-bar method for FTOF cosmic ray test stand.||Software||Daniel Carman
|December 31, 1969||May 31, 2013||Nov. 2012 - May 2013, 16 to 20 m-w of effort||none||0.500|
|PCAL||QC Measurements||Assist 1 day/week for 1 year on QC measurements.||Hardware||Stepan Stepanyan||September 28, 2012||April 3, 2013||1 day/week for one year||YEREVAN (Gegham Asryan)||0.200|
|PCAL||Database management of QC data||Assist 1 day/week for 1 year on database management of QC data||Hardware||Stepan Stepanyan||December 31, 1969||April 3, 2013||1 day/week for 1 year||none||0.200|
|FTOF||Refurbishment||Assist with work on refurbishment and testing of panel-1a and panel-2 arrays.||Hardware||Daniel Carman||December 31, 1969||April 3, 2013||Aug. 2012 - Jun. 2013||none||0.500|
|CTOF||Software for the LCS||Software for the Laser Calibration System. LabView for motor motion and filter motion.||Software||Vitali Baturin||April 1, 2013||April 1, 2013||Not specified||JLAB (Volker Burkert)||0.000|
|FTOF||Software suite for HV setting||Work to develop software suite for HV setting and gain matching for FTOF cosmic ray test stand.||Software||Daniel Carman||December 31, 1969||December 31, 2012||Aug. 2012 - Dec. 2012; 4 m-w of effort||none||0.100|
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