DVCS TO DO list, Summer 2010

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This page lists the projects that need to be worked on by the DVCS collaboration, it is not prioritized. Please consider working on this topics. To do so, under each section title state that you are interested on working on this, the date at which you are starting to work on the project, and the status of your work.

For the installation TO-DO list consult: DVCS TO DO list (technical), summer 2010

Hardware

Slow controls

Anode current ADCs

IOC up and drivers for VMIC3128 initialized, just need to setup the screens and test the ADCs https://hallaweb.jlab.org/dvcslog//ADC/14

LED control

Here is what needs to be done : https://hallaweb.jlab.org/dvcslog//LED/12

Supporting info are: https://hallaweb.jlab.org/dvcslog//LED/7 https://hallaweb.jlab.org/dvcslog//LED/8 https://hallaweb.jlab.org/dvcslog//LED/9

HV controls

The HV crates can be controlled through 3 different methods:

  • telnet: as of 07-07-10: works but the whole method is clumsy
  • ARCNET: in progress, scripts exist by Chris Slominski. Driver was configure. Unable to start the ARCNet driver on the crate so far.

Here is the starting point documentation: https://hallaweb.jlab.org/dvcslog//HV/6

  • JAVA: 07-07-10: Carlos will follow up Vince Sulkolsy is working on that and said he will let us use his scripts once they are working. Here is some descriptions of the system: https://hallaweb.jlab.org/dvcslog//HV/8

Hardware limits

Need to set the hardware limit to ~900 V using the potentiometer at the back of the crate ( Done by Carlos )

Cabling

Need to unroll and label the 55m RG58 in the hall ( in progress )

Move Calo in the Hall

This will happen when the calo can be mounted on the big bite stand on its final position, ie: we are waiting for the PREX radiation to die down. When?? How?? What do we need??

Survey

07-07-10:Carlos is the contact point with the survey group
[Here] is the description of our survey requirements.

DAQ

ARS

Made them work those little rascals

Helicity signal and HRS DAQ

Work with Bob Michaels to implement the reading of the helicity in the regular HRS ( Done by Bob, need to implement redundancy checks ) . ===Run start, run stop scripts === Define what we need there and implement

Use external paddle to time Calo versus HRS

Need the calo to be installed and read out in the Hall

Setup EPICS events

Do not forget to register the calo anode currents.

Software

Online

  • Instal analysis code on adaq machines: done. The code was installed under adaq:dvcs/farm_3rdprod.
  • Setup the online GUI. One should pull out the one that was used by the previous experiment from the MSS, 07-07-10: Sophia will do that

Offline

Need to define, create/revive and/or test software scripts needed for offline analysis. <p> The ones that have been identified so far are:

  • Elastic calibration 07-07-10: Asenath is working on that
  • Wave form analysis 07-07-10:Carlos will work on that Done by Carlos
  • Gain monitoring using π0 calibration 07-07-10:Eric has been working on that and will conclude on that shortly

Admin

Commissionning run plan

07-07-10: Charles will work on that

Things we discussed briefly so far: do we need to learn how to do the sieve slit analysis before the run starts?

Run plan

07-07-2010: Charles will work on that
Here is the[long term run plan] as of May 2010.
Here is a [first draft] of a more detailed day to day run plan.

How to

Create an HOW-TO: 07-07-10: Eric will work on that

  • based on what already exist from the most recent Hall A experiment (eg [APEX page] )
  • add our own info about how to deal with the calo. [Here] is what was done for the previous DVCS experiment.
  • add info about how to operate the γ detector for the Compton

Shift schedule (95% complete)

  • Create a shift schedule based on what [PREX used] recently and our existing data base. This is basically ready to go, we are waiting for some more info from JLab about running through the Thanks Giving week-end and through Xmas break.
  • Contact potential run coordinators: 7/8 RC have been identified. Again we are waiting on JLab about running through the Thanks Giving week-end and through Xmas break.

Run sheet, shift check list

7-19-2010: Eric will do that. Please also look at the list we had for DVCS-1.

ESAD, RSAD, COO and TOSP

I gave Pavel our latest run plan. 07-07-10:Alex will work on that I have file for COO and ESAD from Doug just need to edit them for us ( will be done bu next week )

Still have not found the TOSP. Might start from scratch.

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