Run Plan for Kaon LT 10.6GeV End Game
From HallCWiki
Contents
Strategy
- Finish remaining kinematic points
- Minimize risk:
- Finish full 6deg. dataset first to avoid rotation issues
- Next get partial dataset for last kinematic points
- Ensure we have Al Dummy for each setting by front-loading them at each kinematic change
- Aim to finish by Saturday, leaving buffer for contingencies or opportunistic revisiting of other kinematic points
Run Plan Schematic
Owl | Day | Swing | ||||
Wednesday | 6deg. LH2 | 6deg. LH2 | 6deg. LH2 | 9deg. LH2 | ||
Thursday | 9deg. LH2 | 9deg. Dummy | 12deg. LH2 | 12deg. LH2 | ||
Friday | 12deg. LH2 | 9deg. LH2 | 9deg. LH2 | |||
Saturday | 9deg. LH2 | 12deg. LH2 | 12deg. LH2 | 12 deg. LH2 | 12deg. Dummy | |
Sunday | buffer | buffer | buffer | |||
Monday | buffer | X | X |
Detailed Run Plan for Wednesday 2018/10/17
Wednesday OWL
- Same setting and target as previous shift
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=6.49
- Target: LH2
- Desired beam current: 45µA
- Do NOT run at higher beam current (will kill tracking efficiency)
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry if changing pre-scalers!
- Try to take 1 hour runs
Wednesday DAY
- Same setting and target as previous shift
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=6.49
- Target: LH2
- Desired beam current: 45µA
- Do NOT run at higher beam current (will kill tracking efficiency)
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry if changing pre-scalers!
- Try to take 1 hour runs
Wednesday SWING
- Same setting and target as previous shift
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=6.49
- Target: LH2
- Desired beam current: 45µA
- Do NOT run at higher beam current (will kill tracking efficiency)
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry if changing pre-scalers!
- Try to take 1 hour runs until we reach 45% of statistics goal
- CHANGE SETTINGS LATEST AT 9PM
- Changing SHMS rotation angle. Do simultaneously if possible to save time.
- NEW SETTING: Q2=5.5, W=3.02, x=0.4, θSHMS=9.56
- ROTATE SHMS to 9.56 deg (from TV)
- Beam off during the SHMS movement. Pay close attention to the hall cameras while departing the beam line, and be prepared to hit the rotation kill switch if necessary.
- All other spectrometer settings stay the same
- Target : LH2
- Update standard.kinematics with the new settings
- Desired beam current: 70µA
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry when changing pre-scalers!
- Take 1 hour per run
- For BTA: Pro-rate against 70µA when running on LH2
Detailed Run Plan for Thursday 2018/10/18
Thursday OWL
- Continue with swing program
- Target unchanged: 10cm LH2
- Setting unchanged: Q2=5.5, W=3.02, x=0.4, θSHMS=9.56
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry when changing pre-scalers!
- Try to take 1 hour runs
- For BTA: Pro-rate against 70µA when running on LH2
Thursday DAY
- Change target to dummy
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=9.56
- Target: 10cm Dummy
- Update standard.kinematics with the new settings
- Beam current: 40µA
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry when changing pre-scalers!
- Try to take 1.6-1.9 hours of good data in 2-3 runs (Good data means 100% efficiency)
- CHANGE SETTINGS AFTER 1/2 SHIFT
- Changing both target and SHMS rotation angle. Do simultaneously if possible to save time.
- NEW SETTING: Q2=5.5, W=3.02, x=0.4, θSHMS=12.56
- ROTATE SHMS to 12.56 deg (from TV)
- All other spectrometer settings stay the same
- TARGET stay the same: Al Dummy
- Update standard.kinematics with the new settings
- Beam current: 40µA
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry when changing pre-scalers!
- Try to take 1.6-1.9 hours of good data in 2-3 runs (Good data means 100% efficiency)
- If done early, continue with swing program
Thursday SWING
- If not done yet, first finish Dummy run from swing shift
- Change target
- CHANGE TARGET: 10cm LH2
- Setting unchanged: Q2=5.5, W=3.02, x=0.4, θSHMS=12.56
- Update standard.kinematics with the new settings
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry when changing pre-scalers!
- Try to take 1 hour runs
- For BTA: Pro-rate against 70µA when running on LH2
Detailed Run Plan for Friday 2018/10/19
Friday OWL
- Same setting and target as previous shift
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=12.56
- Target: 10cm LH2
- Update standard.kinematics with the new settings
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry when changing pre-scalers!
- Try to take 1 hour runs
- For BTA: Pro-rate against 70µA when running on LH2
- CHANGE SETTINGS AFTER 1/2 SHIFT
- Change SHMS rotation angle.
- RETURN TO SETTING: Q2=5.5, W=3.02, x=0.4, θSHMS=9.56
- ROTATE SHMS to 9.56 deg (from TV)
- All other spectrometer settings stay the same
- Update standard.kinematics with the new settings
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry when changing pre-scalers!
- Try to take 1 hour runs
- For BTA: Pro-rate against 70µA when running on LH2
Friday DAY
- Same setting and target as previous shift
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=9.56
- Target: LH2
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry if changing pre-scalers!
- Try to take 1 hour runs
- For BTA: Pro-rate against 70µA when running on LH2
Friday SWING
- Same setting and target as previous shift
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=9.56
- Target: LH2
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry if changing pre-scalers!
- Try to take 1 hour runs
- For BTA: Pro-rate against 70µA when running on LH2
- Instructions for the last hour:
- If beam really bad in last hour: prepare next kinematic setting/target for OWL (see below)
- If beam still good in last hour: continue taking data until OWL
Detailed Run Plan for Saturday 2018/10/20
Saturday OWL
- Same setting and target as previous shift
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=9.56
- Target: 10cm LH2
- Update standard.kinematics with the new settings
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry when changing pre-scalers!
- Try to take 1 hour runs
- For BTA: Pro-rate against 70µA when running on LH2
- CHANGE SETTINGS AFTER 1/2 SHIFT
- Change SHMS rotation angle.
- RETURN TO SETTING: Q2=5.5, W=3.02, x=0.4, θSHMS=12.56
- ROTATE SHMS to 12.56 deg (from TV)
- All other spectrometer settings stay the same
- Update standard.kinematics with the new settings
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry when changing pre-scalers!
- Try to take 1 hour runs
- For BTA: Pro-rate against 70µA when running on LH2
Saturday DAY
- Same setting and target as previous shift
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=12.56
- Target: LH2
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry if changing pre-scalers!
- Try to take 1 hour runs
- For BTA: Pro-rate against 70µA when running on LH2
Saturday SWING
- Same setting and target as previous shift
- Setting: Q2=5.5, W=3.02, x=0.4, θSHMS=12.56
- Target: LH2
- Desired beam current: as much as possible with good stability
- Ensure PS1 (SHMS-3-4) is giving pre-scaled rates close to 100Hz
- Ensure PS3 (HMS ELREAL) is giving pre-scaled rates close to 100Hz
- Ensure PS5 = 0 (This is the physics trigger!)
- Make a log entry if changing pre-scalers!
- Try to take 1 hour runs
Detailed Run Plan for Sunday 2018/10/21
Sunday OWL
- TBD
Sunday DAY
- TBD
Sunday SWING
- TBD
Detailed Run Plan for Monday 2018/10/22
Monday OWL
- TBD