3x3 stores in the tevatron n.
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3X3 stores in the Tevatron. August 2011. List of Sequencer changes. Add line to select 3X3 store Disable PBJ script (Done inside script) Disable Adjust LB_tune (Done inside script) Disable Adjust tunes script (Done inside script) Change synch lite spec from 4 to 5 (prepare to ramp cmd 4)

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list of sequencer changes
List of Sequencer changes
  • Add line to select 3X3 store
  • Disable PBJ script (Done inside script)
  • Disable Adjust LB_tune (Done inside script)
  • Disable Adjust tunes script (Done inside script)
  • Change synch lite spec from 4 to 5 (prepare to ramp cmd 4)
  • Disable synch lite spec 0 (Rem Halo cmd 34 and 41)
  • Modified Remove Halo aggregate with a special instruct
  • Modified collimator sequence map
  • Inject commands driven on V:3X3 state device.
  • Disable Web log chapter (Decelerate cmd 59)???
command to select 3x3
Command to Select 3X3

Has to be enabled

at start of week.

Will execute only

If TEVMOD is

HEP mode

inject final proton command
Inject Final Proton Command

Used by TLG

to select number

of batches. (Normally

set by Coalescing

Command.)

Will skip if

V:3X3 is not 2

Will skip

if V:3X3 is 2

inject pbar command
Inject Pbar Command

Will skip if

V:3X3 is not 2

Will skip

if V:3X3 is 2

remove halo aggregate
Remove Halo Aggregate

New tevcol command

Will tell operator to jump to new point in sequence

Will only execute if V:3X3 is 2

Truncate command will stop sequence so operator can jump to retract section

topics of concern
Topics of concern
  • Single bunch Injection
    • Protons just set G:NBTEV to 1 (this is buried in a coalesce command)
    • Pbars: RR guys make it happen
  • Qualifier setup
  • Set T:NBATCH
  • Inject command
  • TEL setup?
  • Longitudinal Damper (OK as is)
  • Scraping
  • No Collimators in at flattop (Done inside script)
  • Change $DB or $CF setup?
  • Energy Scan stores in 2.5 weeks (this will be hard – need everyone)
existing remove halo command
Existing Remove Halo Command

Already executes

only if V:TEMOD

is 1 (HEP)