DØ Run Plan Standard Instructions

Last Updated: 03-Jan-2002 by Leslie Groer

Change Log:

01-Dec-2001 Version 2.0 of Run plan
10-Dec-2001 Many minor modifications
14-Dec-2001 Update FPD pot motion plans; update shiftset instructions
18-Dec-2001 Update schedule for magnet polarities
03-Jan-2002 New Silicon Radiation Instructions

The Run Plan Standard Instructions can be found at http://www-d0.fnal.gov/runcoor/runplans/runplan_standard.html

The Current Daily Plan can be found at http://www-d0.fnal.gov/runcoor/runplans/runplan.html

The default running condition for a store, unless otherwise specified and approved by the Run Coordinator, is to run with all available readout crates in the global run. Captains are responsible for enforcing the run plans and resolving conflicts.

Work that influences or impacts the DAQ between stores must be scheduled in advance and approved by the Commissioning Coordinator.

Requests for access should be written on the "white board" in the control room and need to be approved by the Run Coordinator. Sent mail to d0accessrequests@fnal.gov..

Detector and Other Specific Instructions

Access Requests

Check the Control Access Request lists in the Control Room and written on the White Board on the South side of the Control Room. Contact the Run Coordinator if there is a chance of access for approval.

Controlled Access Requirements

You will need to have your Controlled Access and other training up to date to get into the collision hall during accesses. Please ensure you are qualified. Contact Bill Freeman (wfree@fnal.gov) if there are problems.

Training needed is:

To check your training, go to the Training Plans page (FNAL domain access only), enter your ID and select the ITH (Individual Training History) under Option 1. The Due Date shows when your training will expire. If this has happened or will happen soon get yourself trained!

Film badges must be worn in the collision hall. Temporary badges are available in the control room.

Silicon Microstrip Detector

Simplified instructions for Captains if no SMT shifter is present.
http://www-d0online.fnal.gov/www/groups/smt/captain_instr.html

Forward Proton Detector

There is a formal DØ/BD plan for how and when the FPD roman pots can be moved. This agreement applies to Roman pot insertion from December 14, 2001:
DØ plans to move the Roman pots in to standard positions most stores not earlier than one half hour after the beginning of the store. The MCR and CDF will be notified before pot motion. The default positions will be A1U = 33.1 mm, A1D = 37.9 mm, A2U = 35 mm, A2D = 38 mm P1U = 27.2 mm, P1D = 27.1 mm, P2U = 29.9 mm and P2D = 30.5 mm (determined since the October 2001 shutdown ended as safe positions), with the beampipe axis roughly at 45 mm. Pot insertion will be done in a similar manner as in the last weeks before the shutdown, with the final couple mm at slow speed allowing time to react to an unanticipated change in beam orbit. DØ should be notified of any planned changes in beam position. The pots will remain at these positions for most/all of the store retracting the pots prior to the beam being aborted or machine studies.

In some subsequent end of stores we plan to do studies to define dipole pot operating positions and test whether beam conditions have changed. Approval from BD run coordinator will be obtained prior to these studies. An acceptable new position for now is defined as one that does not increase the DOslash; losses by more than 10% or significantly affect CDF losses.

The MCR and CDF must be notified before any pot motion so they can watch for losses. CDF has asked to be notified about which pots are being moved so they can correlate the motion with their losses. FPD shifters will be present for all pot motion. The FPD pager number is (630) 266-2635 if there are any questions.

High Voltage Instructions (Detector and Luminosity)

Shift Captains are responsible for communicating to all detector shifters about the begining of a store (when scraping is completed). The Shift Captain should specifically instruct detector shifters (for now muon and SMT) to set their HV to 100%. Data taking (including adjustment of prescales) should be started after HV is at 100% for all detectors in trigger/readout.

A few minutes before the store is terminated (D0 is supposed to receive a call from the MCR about planned terminations) Captain has to instruct DAQ expert to stop global running and ask detector experts to set their detector HV to "Standby". To avoid confusion, refer to the table below for which systems need to regulate their HV depending on beam conditions.

Luminosity counter phototubes are very sensitive to the presence of the solenoidal magnetic field. Whenever current in the solenoid is changed (turning solenoid ON, OFF or changing polarity) it is the responsibility of the Shift Captain to set the HV on the luminosity counters according to specific instructions outlined below by Gregor Geurkov. Note that the Luminosity HV stays ON at all times, even during beam studies, but the setting of the HV to lower or higher percentages depends on the solenoidal field being off or on.
Setting Luminosity HV
How to tell if the Luminosity information is updating in ACNET

Beam conditions
Detector Shifter Collisions Injection Beam studies No Beam
(Calibrations)
SMT SMT shifter 100% OFF OFF 100%
CAL CAL shifter 100% at all times
ICD CAL shifter 100% at all times
MUON MUON shifter 100% Standby Standby Standby
LUM Captain 80% at all times with solenoid off
100% at all times with solenoid on)

Magnets

Before the solenoid or toroid are turned on or off, MCR must be notified.

Contact the Operations Technicians in DAB to ramp the magnets. The solenoid takes about 20 minutes to discharge and the toroid about 10 minutes. The shift captain should check with the operation technicians that these are interlocked after they are ramped down.

Plan for Magnet Operations

  1. The Shift Captain is responsible for providing D0 Ops Shifter with instructions on turning D0 magnets ON/OFF or changing polarities.
  2. Any changes in magnet currents should occur when there is no store in the Tevatron. The Main Control Room should be notified by the Shift Captain at least 10 minutes before any changes in D0 magnet operating conditions.
  3. The polarity of the magnets is to be changed every week. Changes are to be done before the first store that starts after 00:00 o'clock Monday, and will be done independent of the amount of data collected during previous week(s) or any other conditions.
  4. Until the end of the year the sequence of polarities changes is: (R - Reverse, F - Forward)
    Week of  11/18 11/25 12/2 12/9 12/16 12/23 12/30 1/6 1/13 1/20 1/27 2/3 2/10 2/17 2/24
    Solenoid R  R  F  F  R  F  F R  R  R  F  F  R  F  F 
    Toroid  R  F  F  R  R  R  F  F  R  F  F  R  R  R  F 
  5. Special modes of operation for the magnets (no field for detector studies, etc.) will be described on a case by case basis in the daily run plan. As soon as such studies are over, we should return to the sequence outlined in step 4. above.
  6. In order to reduce operating expenses, the solenoid and toroids should be powered OFF if it is known that collisions are not expected within the next 24 hours. They should be turned ON at least 1 hour before the expected shot setup.
  7. During magnet current changes, follow the procedures outlined in the run plan for operating the luminosity counters high voltage. No other detectors are known to be affected by magnetic field changes.

DAQ

Standing Instructions and Shift Tasks

Colliding Beam

The default running condition is to take data with the global trigger list (see the current run plan for details) with all available crates and set prescales to get the maximum rate possible without killing the DAQ. See the details in the trigger .xml file from the Trigger Meisters about tuning rates.

No Collisions

Allow detector experts to work on commissioning activities, under the Shift Captain's approval. All experts must return their systems to working order before they complete their work.
Note: If there are severe conflicts with the use of the DAQ system because of instabilities and people starting/stopping runs, issuing SCL inits, etc then it is the Shift Captain's duty to determine priorities and to enforce them. Contact the Commissioning Coordinator if need be.

No Beam in the Tevatron

If there is no beam, then calibration runs should be conducted by the various subdetector shifters. The Shift Captain and the Run Coordinator will determine priorities for various subsystems to have exclusive use of the DAQ system in the case of interference.

General Shifter Tasks

The Operations Technicians are taking care of the safety walk through represented on the 3rd page of the Captain's checklist. Captains are responsible for safety walkthroughs on the first two pages including the 2nd floor of the Fixed Counting House. Heidi Schellman has put together a very useful Pictorial Guide to components in the Control Room and in DAB.

The Day Shift Captain must attend the Beams Division 9am Meeting in Curia II in Wilson Hall (2nd floor, West side) on Mondays, Wednesdays and Fridays. The meeting normally lasts about 20 minutes. The Commissioning Coordinator normally attends and presents the report, but the Shift Captain should do so if the coordinators are not present.

Silicon Radiation Monitoring

The Captain should make sure that the Silicon Radiation Monitoring is running. See the online instructions for details.
(http://www-d0.fnal.gov/nikhef/radmon/radmon_shift.html)

SAM Dataset Definitions

All global physics runs will be processed by the reconstruction farms. If a special run (e.g. cosmics, halo, etc) needs to be reprocessed on the farms, then the person/s requesting the special data collection is/are required to fill in the shiftset request form and to send mail to d0-farms@fnal.gov. There are older more explicit instructions about how to define a shiftset.

Examines and Monitoring

The default event display d0ve should be run at all times for colliding data
start_daq d0ve

Run Examines and Event displays at all times. In particular:

Examine Shifter Node
Vertex Examine Captain d0ol04
Event Display (d0ve) DAQ shifter d0ol10
Calorimeter Examine Calorimeter shifter d0ol06
Muon Examine Muon shifter d0ol09
SMT Examine SMT shifter d0ol05
CFT Examine CFT shifter d0ol08

COOR records the begin and end of runs along with the crate configurations. DAQ shifters must still enter the relevant information in the taker pop-up windows. For details, see the message from Alan Stone. DAQ Shifter should print the L1 and L3 trigger monitor output page once per shift during colliding beam or after any major configuration change.

Captains should summarize the runs taken with colliding beam and indicate their quality: 

  
 start  end  run#  trigger  #events  toroid/solenoid  crate list  data quality (good/bad/unknown)  Comments
                                      (off,for,rev)                   (CAL,CFT,CPS,MUO,SMT)
These summaries should be put into the shift summary for distribution to d0shifters and posted to D0NEWS in the OPERATIONS folder.

At the begin of stores, the store number must be entered into COOR by the DAQ shifter via

setup d0online
store_begin number.
Similarly, the end of store command is
store_end
At the beginning of a store, Captains should record all the information from Channel 13 (the Beam's Status page) in the elog.

Contact Information

    Office Pager Cell Home
Run Coordinator Dmitri Denisov x3851 (630) 218-4498 (630) 531-0413 (630) 879-6725
Commissioning Coordinator Leslie Groer x5587 (630) 218-8421 (630) 399-0024 (630) 208-8151
DAQ On-Call Troubleshooter     (630) 218-4801    
Send comments/corrections to Leslie Groer
Last modified: Tue Oct 22 05:33:19 CDT 2002