DØ Run Plan Standard Instructions

Change Log:

Contents

• Detector and Other Specific Instructions
• Standard Running Instructions and Shift Tasks
• Contact Information

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 current Beams Division schedule can be found on the web at http://www-bdnew.fnal.gov/operations/schedule/schedule.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.

Detector and Other Specific Instructions

Access Requests

Controlled Access Requirements

Training needed is:

• DØ Hazard Awareness
• Lock-Out Tag-Out (LOTO) I Training
• Radiological Worker (CR)
• Fermilab Controlled Access

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

Electronic Logbook

CFT Operations

During colliding beam:

1. The CFT shifter will communicate with the Captain and DAQ shifter and request whether the CFT crates (0x50,0x51,0x52,0x53) are to be included in the primary global run or not. Removal of CFT crates from the global run for reasons other then fixing immediate hardware/software problems must be approved by George Ginther or Andrew Alton. The default condition, unless explicitly approved is to leave the crates in the global run running in suppressed mode.
2. If approved, CFT crate(s) can be excluded from the global run and sDAQ runs with the CFT only may be run independently.
3. If independent CFT pDAQ runs or unsuppressed CFT running in the global runs are requested, the Run Coordinator must approve the run. This does not apply to sDAQ runs.

Silicon Microstrip Detector

Forward Proton Detector

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.

Monitoring CDF Pot motion

The Captain should monitor the motion of the pots and the D0 losses.

High Voltage Instructions (Detector and Luminosity)

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	70% at all times with solenoid off 100% at all times with solenoid on)

Magnets

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. For the next few months, the sequence of polarities changes is: (R - Reverse, F - Forward)

   Week of

   2/4

   2/11

   2/18

   2/25

   3/4

   3/11

   3/18

   3/25

   4/1

   4/8

   4/15

   4/22

   4/29

   5/5

   Solenoid

   F

   R

   F

   F

   R

   R

   R

   F

   F

   R

   F

   F

   R

   R

   Toroid

   R

   R

   R

   F

   F

   R

   F

   F

   R

   R

   R

   F

   F

   R

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

The major shift tasks are:

• Keep DAQ running collecting colliding beam data. Recording must be kept ON for all runs.
• All test runs and trigger configurations must be stopped and freed before starting the global data taking run with colliding beam. CFT special runs may only start after the global run is going.
• Captains will inform the DAQ shifter when the begin store command should be issued (after scraping is complete) and when to issue the end store command which should be done before high voltages are ramped down or before accelerator studies begin.
• Include all front-end and readout crates in the data taking; experts have to be called in the case of problems.
  Detector experts should clearly indicate the status of crates on the white board in the Control Room.
• Conduct Captain and shifters' walkthroughs, fill check lists and report all problems to experts.
• Run all detectors at full voltages (beam conditions permitting).
• Monitor beam losses and silicon radiation doses.
• Help experts with short controlled accesses.
• Run all detector Examines under Detector shifter control. Report any problems to the subdetector coordinators. Until further notice the Global Examine is broken and need not be run.
• When there is no beam, calibration runs should be taken. These runs should be coordinated with the DAQ shifter.
• The offline farms will process all data in global physics runs i.e. no special shiftsets are required. If there are special runs (cosmics, halo, etc) that needs to be reprocessed on the farms, then the persons requesting the special data collection is required to fill in the shiftset request form and to send mail to d0-farms@fnal.gov.

Colliding Beam

Shot Setup

To ensure that we maximize our data collecting ability with colliding beam, here is the procedure for shot setup:

• Shot setup can last 2-3 hours sometimes. Once all the anti-protons are loaded and they are injecting protons then things are getting serious!
• Stop all calibration, test runs etc and download the global trigger file and start a non-recorded global run with all crates included. If there are DAQ or system problems you still have time to contact the DOC or experts to get things working before collisions start.
  Note that the HV on the Muon of SMT does not have to be on to run global runs.
• As soon as scraping is complete, stop the run, the SMT and Muon shifters should be notified by the Captain to raise their High Voltage and the DAQ expert should be notified to issue the begin_store command and to dowload the appropriate prescale file, and start a recorded run.
• If there are DAQ or other problems at this point, do not hesitate to contact the experts and have them come in if the problems can not be solved remotely.

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

setup d0online

store_begin number.

store_end

No Collisions (e.g. proton only or anti-proton only beam)

No Beam in the Tevatron

Standard Trigger Files

For cosmic ray running, the default file is: cosmics-1.30.xml

For proton-only beam running: proton_halo_only-1.2.xml

General Shifter Tasks

Silicon Radiation Monitoring

The Captain should make sure that the Silicon Radiation Monitoring is running. See the online instructions for details.
(http://d0server1.fnal.gov/users/lipton/www/radmon_shift.html)

SAM Dataset Definitions

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:

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)