Difference between revisions of "Commissioning Plan 2017"
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! HMS/SHMS trigger: || 3/4 scin, 3/4 scin | ! HMS/SHMS trigger: || 3/4 scin, 3/4 scin | ||
|- | |- | ||
| − | ! HMS angle/momentum || 15 and 22. deg, | + | ! HMS angle/momentum || 15 and 22. deg, |
|- | |- | ||
| − | ! SHMS angle/momentum || 15. and 22. deg, | + | ! SHMS angle/momentum || 15. and 22. deg, |
|} | |} | ||
*Series of runs changing target. | *Series of runs changing target. | ||
| Line 256: | Line 256: | ||
! Target || HMS angle || HMS momentum || SHMS angle || SHMS momentum || SHMS collimator || Time | ! Target || HMS angle || HMS momentum || SHMS angle || SHMS momentum || SHMS collimator || Time | ||
|- | |- | ||
| − | ! 0,+/- 10cm || 15. deg || - | + | ! 0,+/- 10cm || 15. deg || -4.0|| 15. deg || -4.0 || Centered Sieve || 30 min |
|- | |- | ||
| − | ! 0,+/- 10cm || 15. deg || - | + | ! 0,+/- 10cm || 15. deg || -4.0|| 15. deg || -4.0 || Shifted Sieve || 30 min |
|- | |- | ||
| − | ! +/- 5cm || 15. deg || - | + | ! +/- 5cm || 15. deg || -4.0|| 15. deg || -4.0 || Centered Sieve || 30 min |
|- | |- | ||
| − | ! +/- 5cm || 15. deg || - | + | ! +/- 5cm || 15. deg || -4.0|| 15. deg || -4.0 || Shifted Sieve || 30 min |
|- | |- | ||
| − | ! 0,+/- 10cm || 22. deg || -2 | + | ! 0,+/- 10cm || 22. deg || -3.2|| 22. deg || -3.2 || Centered Sieve || 1.5 hr |
|- | |- | ||
| − | ! 0,+/- 10cm || 22. deg || -2 | + | ! 0,+/- 10cm || 22. deg || -3.2|| 22. deg || -3.2 || Shifted Sieve || 1.5 hr |
|} | |} | ||
Revision as of 16:33, 14 January 2018
Beam energy of 2.2 GeV
Beam energy of 6.4 GeV
Initial conditions
- HMS/SHMS Conditions:
| HMS/SHMS collimator: | PION , COLLIMATOR |
|---|---|
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | 15 deg, -3.0 GeV/c |
| SHMS angle/momentum | 15 deg, -3.0 GeV/c |
Beam Checkout with Superharps and Beam Position Monitors (3 hours)
- Experts: Mark Jones, Deb Biswas, Thir Guatam
- Expected time: 3 hours
- Goals: Initial measurement of beam spot size. Followed by calibration of girder BPMs at 5,30 and 60uA. Measure raster size with superharps.
- Conditions:
| beam current: | 5,30 and 60 μA |
|---|---|
| fast raster: | off |
| target: | none |
- Runplan: pdf file
- Ask MCC to do superharp scan with superharps IHA3H07A and IHA3H07B and put entry in ELOG. Record the 3 BPMs positions (3H07A,3H07B,3H07C) during scan.
- Want beam spot with sigma_x and sigma_y below 200 um ( beam pass 1-4) and below 300 um for beam pass 5.
- Verify Girder BPM position to Harp positions.
Center beam on C-hole target ( 1 hour)
- Experts:
- Expected time: 1 hour
- Goal: Center beam on carbon hole target
- Conditions:
| beam current: | 5 μA |
|---|---|
| fast raster: | 3x3mm |
| target: | carbon hole |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | 15 deg, -3.0 GeV/c |
| SHMS angle/momentum | 15 deg, -3.0 GeV/c |
- Run plan: Procedure
- Once hole is found, take 20 minutes run at 20uA for good statistics
Detailed Detector Checkout ( 2 hour)
- Experts:
- Expected time: 2 hour
- Prerequisite: Eric Pooser will do invasive checkout of HMS/SHMS trigger with beam.
- Conditions:
| beam current: | 20 μA |
|---|---|
| fast raster: | off |
| target: | 0.5% carbon |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4,SCIN 3/4 |
| HMS angle/momentum | 15 deg, -3.0 GeV/c |
| SHMS angle/momentum | 15 deg, -3.0 GeV/c |
Trigger
- Set HMS/SHMS trigger threshold for PID trigger section to 10 mV.
- Software cuts can be placed on trigger ADC data to study efficiencies.
Cerenkov
- SHMS Noble Gas Run Plan: Scan of HV ( Eric Pooser)
Run 1 HV Settings: PMT1 = 2200 V, PMT2 = 2230 V, PMT3 = 2115, PMT4 = 2030 Run 2 HV Settings: PMT1 = 2300 V, PMT2 = 2320 V, PMT3 = 2215, PMT4 = 2130
- These are the spring 2017 KPP HV settings for reference: NGC1 : 2255 V, NGC2 : 2280 V, NGC3 : 2165 V, NGC4 : 2087 V
- We will also need to check the NGCER sum the PID trigger circuit to ensure that we are not saturating the FADC channel
- Run plan (series of 15 minutes runs)
| Run | HMS DAQ | SHMS DAQ | Comments |
|---|---|---|---|
| 1 | No data taking | Only 3/4 scin trigger | Checkout of HMS 3/4 trigger ; SHMS NGC HV NGC1 : 2255 V, NGC2 : 2280 V, NGC3 : 2165 V, NGC4 : 2087 V |
| 2 | Only 3/4 scin trigger | No data taking | Checkout of SHMS 3/4 trigger |
| 3 | Only 3/4 scin trigger | Only 3/4 scin trigger | Checkout of HMS ELCLEAN/ELREAL trigger; SHMS NGC HV PMT1 = 2200 V, PMT2 = 2230 V, PMT3 = 2115, PMT4 = 2030 |
| 4 | Only 3/4 scin trigger | Only 3/4 scin trigger | Checkout of HMS ELCLEAN/ELREAL trigger ; SHMS NGC HV PMT1 = 2300 V, PMT2 = 2320 V, PMT3 = 2215, PMT4 = 2130 |
| 5 | Only ELCLEAN trigger | Only 3/4 scin trigger | Checkout of SHMS ELCLEAN/ELREAL trigger |
| 6 | Only ELREAL trigger | Only 3/4 scin trigger | Checkout of SHMS ELCLEAN/ELREAL trigger |
| 7 | ELREAL trigger, prescale 3/4 SCIN | Only ELCLEAN | |
| 8 | ELCLEAN trigger, prescale 3/4 SCIN | Only ELREAL | |
| 9 | ELCLEAN trigger, different prescale 3/4 SCIN | ELREAL, prescale 3/4 scin |
Checkout of SHMS/HMS focal plane tune ( 1 hour)
- Experts:
- Expected time: 1 hour
- Goal: Look at focal plane with sieve to check tune
- Conditions:
| beam current: | 20 μA |
|---|---|
| fast raster: | off |
| target: | 0.5% carbon |
| HMS/SHMS collimator: | SIEVE , Centered sieve |
| HMS/SHMS trigger: | SCIN 3/4,SCIN 3/4 |
| HMS angle/momentum | 15 deg, -3.0 GeV/c |
| SHMS angle/momentum | 15 deg, -3.0 GeV/c |
Different Pi/e ratios ( 1.5 hour)
- Experts: SImona
- Expected time: 1.5 hr
- Goal:
- Runs with different central momentum and different pi/e ratios.
- Two runs with LH2 and one with LD2
- Take each setting with only 3/4 scin trigger and for 30 minutes
- Set PID tirgger thresholds to 10 mV. Offline will determine thresholds to test later.
- Conditions:
| beam current: | 5-20 μA |
|---|---|
| fast raster: | 2x2mm |
| target: | 10cm LH2, 10cm LD2 |
| HMS/SHMS collimator: | Pion/Collimator |
| HMS/SHMS trigger: | SCIN 3/4 / SCIN 3/4 |
| SHMS/HMS angle/momentum | 25. deg, -3.0 GeV/c, -1.4 |
- Run Plan
| HMS angle/mom | SHMS angle/mom | Target | HMS/SHMS Trigger |
|---|---|---|---|
| 25./-3.0 | 25./-3.0 | 10cm LH2 | Only 3/4 scin |
| 25./-1.4 | 25./-1.4 | 10cm LH2 | Only 3/4 scin |
| 25./-1.4 | 25./-1.4 | 10cm LD2 | Only 3/4 scin |
Defocused Tune for SHMS/HMS ( 1 hour)
- Experts: Hamlet
- Expected time: 1 hr
- Goal: Have a wider y_fp to calibrate the calorimeter over regions that are not usually hit with the standard hourglass tune.
- Conditions:
| beam current: | 5-20 μA |
|---|---|
| fast raster: | 2x2mm |
| target: | 10cm LH2 |
| HMS/SHMS collimator: | Pion/Collimator |
| HMS/SHMS trigger: | SCIN 3/4 / SCIN 3/4 |
| SHMS/HMS angle/momentum | 25. deg, -3.0 GeV/c, Q2 at 1.2 times normal |
- Run Plan:Documents
Elastic p(ep) Checkout Small angle (2 hours)
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | 10 μA |
|---|---|
| fast raster: | 1x1mm2 |
| target: | 10cm LH2 |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | 13.5/16. deg / 5.398/5.074 GeV |
| SHMS angle/momentum | 8.,10.,13.5 deg / 6.017,5.814,5.398 GeV |
- Run plan
| HMS Angle/Mom | HMS rate | SHMS Angle/Mom | SHMS rate | Run time |
|---|---|---|---|---|
| 13.5/5.398 | 300 | 8./6.017 | 3300 Hz | 15 minutes |
| 13.5/5.398 | 300 | 10./5.817 | 1000 | 30 minutes |
| 16.0/5.074 | 100 | 13.5/5.398 | 150 | 60 minutes |
HMS/SHMS Angle and Position Matrix Optimization (5 hours)
- Experts:
- Expected time: 5 hours.
- Goal:
- Conditions:
| beam current: | 20 μA ( more is better) |
|---|---|
| fast raster: | off |
| target: | optics targets |
| HMS/SHMS collimator: | Sieve , Centered/Shifted Sieve |
| HMS/SHMS trigger: | 3/4 scin, 3/4 scin |
| HMS angle/momentum | 15 and 22. deg, |
| SHMS angle/momentum | 15. and 22. deg, |
- Series of runs changing target.
- SHMS has two sieves with the holes shifted in the horizontal.
- HMS has only one sieve which will always be used.
- No raster.
- Time is assuming 20uA.
| Target | HMS angle | HMS momentum | SHMS angle | SHMS momentum | SHMS collimator | Time |
|---|---|---|---|---|---|---|
| 0,+/- 10cm | 15. deg | -4.0 | 15. deg | -4.0 | Centered Sieve | 30 min |
| 0,+/- 10cm | 15. deg | -4.0 | 15. deg | -4.0 | Shifted Sieve | 30 min |
| +/- 5cm | 15. deg | -4.0 | 15. deg | -4.0 | Centered Sieve | 30 min |
| +/- 5cm | 15. deg | -4.0 | 15. deg | -4.0 | Shifted Sieve | 30 min |
| 0,+/- 10cm | 22. deg | -3.2 | 22. deg | -3.2 | Centered Sieve | 1.5 hr |
| 0,+/- 10cm | 22. deg | -3.2 | 22. deg | -3.2 | Shifted Sieve | 1.5 hr |
Check of ELREAL/ELCLEAN Trigger ( 1.5 hour)
- Experts: SImona
- Expected time: 1.5 hr
- Goal:
- Use threshold determined form previous LD2 running
- Sanity check of electron triggers.
- Conditions:
| beam current: | 20 μA |
|---|---|
| fast raster: | 2x2mm |
| target: | 10cm LH2 |
| HMS/SHMS collimator: | Pion/Collimator |
| HMS/SHMS trigger: | Electron triggers |
| SHMS/HMS angle/momentum | 25. deg, -3.0 GeV/c, -1.4 |
- Run Plan
| HMS angle/mom | SHMS angle/mom | Target | HMS/SHMS Trigger | Total DAQ Triggers |
|---|---|---|---|---|
| 25./-3.0 | 25./-3.0 | 10cm LH2 | Only 3/4 scin (prescale trig1=0,trig2=-1,trig3=-1) | 300K |
| 25./-3.0 | 25./-3.0 | 10cm LH2 | ELREAL (prescale trig1=-1,trig2=0,trig3=-1) | 300K |
| 25./-3.0 | 25./-3.0 | 10cm LH2 | ELCLEAN (prescale trig1=-1,trig2=-1,trig3=0) | 300K |
| 25./-1.4 | 25./-1.4 | 10cm LH2 | Only 3/4 scin (prescale trig1=0,trig2=-1,trig3=-1) | 300K |
| 25./-1.4 | 25./-1.4 | 10cm LH2 | ELREAL (prescale trig1=-1,trig2=0,trig3=-1) | 300K |
| 25./-1.4 | 25./-1.4 | 10cm LH2 | ELCLEAN (prescale trig1=-1,trig2=-1,trig3=0) | 300K |
Elastic p(ep) Checkout Larger angle (5 hours)
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | 20 μA or more |
|---|---|
| fast raster: | 1x1mm2 |
| target: | 10cm LH2 |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | 16,20 deg / 5.074,4.522 GeV |
| SHMS angle/momentum | 16,20 deg / 5.074,4.522 GeV |
Coincidence Checkout [8 hrs]
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | 20-50 μA |
|---|---|
| fast raster: | 1x1mm2 |
| target: | 10cm LH2 |
| HMS/SHMS collimator: | PION/SIEVE , COLLIMATOR/CENTERED SIEVE |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | 27.5 deg, -3.609 GeV/c |
| SHMS angle/momentum | 27.5 deg, +3.609 GeV/c |
- Series of runs with/without collimator on electron side and switch polarities between HMS/SHMS
| HMS angle | HMS momentum | HMS collimator | SHMS angle | SHMS momentum | SHMS collimator | Time |
|---|---|---|---|---|---|---|
| 27.5 deg | -3.609 | 27.5 deg | Pion | +3.609 | Collimator | 30 min (4Hz at 20uA) |
| 27.5 deg | -3.609 | 27.5 deg | Sieve | +3.609 | Collimator | 2 hr |
| 27.5 deg | +3.609 | 27.5 deg | Pion | -3.609 | Collimator | 30 min (4Hz at 20uA) |
| 27.5 deg | +3.609 | 27.5 deg | Pion | -3.609 | Centered Sieve | 2 hr |
Elastic p(ep) Checkout Additional angles (2 hours)
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | 20 μA or more |
|---|---|
| fast raster: | 1x1mm2 |
| target: | 10cm LH2 |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | 30,35 deg / 3.349,2.869 GeV |
| SHMS angle/momentum | 30,35 deg / 3.349,2.869 GeV |
Large Ytar: HMS/SHMS Angle and Position Matrix Optimization (9 hours)
- Experts:
- Expected time: 9 hours.
- Goal:
- Conditions:
| beam current: | 20 μA |
|---|---|
| fast raster: | off |
| target: | optics targets |
| HMS/SHMS collimator: | Sieve , Centered Sieve |
| HMS/SHMS trigger: | 3/4 scin, 3/4 scin |
| HMS angle/momentum | 30. deg, -2.0 GeV/c |
| SHMS angle/momentum | 30. deg, -2.0 GeV/c |
Beam Energy Measurement (3 hours)
- Experts: MCC,Mark Jones, Dave Mack
- Expected time: 3 hours
- Goal: Measure beam energy for elastics
- Conditions:
| beam current: | 5uA |
|---|---|
| fast raster: | off |
| target: | none |
- MCC procedure
Target LH2/LD2 boiling study (3.0 hours)
- Experts: Eric Christy
- Expected time: 3.0 hours
- Goal: Measure target boiling.
- Conditions: Prescale to 2 kHz, cycle magnets. Each current a ten minute run.
| beam current (uA): | 1, 3, 5, 7, 10, 12, 15, 17, 20 , max current |
|---|---|
| fast raster: | 3x3mm |
| target: | 10cm LH2, 10cm LD2, 0.5% Carbon |
| SHMS/HMS collimator: | PION |
| SHMS/HMS trigger: | SCIN 3/4 |
| SHMS/HMS angle/momentum |
BCM Calibration ( 1 hour)
- Experts: Eric Christy
- Expected time: 1 hour
- Goal: BCM Calibration data including low currents to look at non-linearities
- Conditions: Slit closed for zero current
- Procedure: Ask MCC to ramp up and then down covering the currents below with alternating on/off and 2 minutes at each current
| beam currents (uA): | 0, 1, 0, 3, 0, 5, 0, 7, 0, 10, 0, 12, 0, 15, 0, 17, 0, max current |
|---|---|
| fast raster: | off |
| target: | 0.5% Carbon |
| HMS angle | |
| HMS momentum |
12C(eep) [3 hr]
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | 20-50 μA |
|---|---|
| fast raster: | 1x1mm2 |
| target: | 3% carbon, 10cm LH2 |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | 27.5 deg, -3.609 GeV/c |
| SHMS angle/momentum | 27.5 deg, +3.609 GeV/c |
1H or 12C(e, e’ π) [2 hr]
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | 20-50 μA |
|---|---|
| fast raster: | 1x1mm2 |
| target: | 3% carbon, 10cm LH2 |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | 16.8 deg, -3.8 GeV/c |
| SHMS angle/momentum | 20.0 deg, +2.7 GeV/c |
1H(e’K) and 1H(e, e’K) [3 hr]
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | 20-50 μA |
|---|---|
| fast raster: | 1x1mm2 |
| target: | 10cm LH2 |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | 25.0 deg, -2.6 GeV/c |
| SHMS angle/momentum | 15.0 deg, +3.6 GeV/c |
Use GEM to check out SHMS optics
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | <1 μA |
|---|---|
| fast raster: | off |
| target: | optics targets |
| SHMS collimator: | Collimator |
| SHMS trigger: | 3/4 Scin + Cer |
| SHMS angle/momentum | 25. deg, -2.0 GeV/c |
- Run Plan:
Check spectrometer pointing
- Experts:
- Expected time:
- Goal: Measure the HMS/SHMS spectrometer pointing
- Conditions:
| beam current: | 20-50 μA |
|---|---|
| fast raster: | off |
| target: | 3% carbon |
| HMS/SHMS collimator: | Sieve, Centered sieve |
| HMS/SHMS trigger: | , |
| HMS angle/momentum | 12.-60 deg, -3.0 GeV/c |
| SHMS angle/momentum | 7.5-40 deg, -3.0 GeV/c |
Beam energy of 8.8 GeV
Beam Energy Measurement
- Experts: MCC,Mark Jones, Dave Mack
- Expected time: ? hours
- Goal: Measure beam energy for carbon elastics.
- Conditions:
| beam current: | 5uA |
|---|---|
| fast raster: | off |
| target: | none |
- MCC procedure
SHMS Tune Verification
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | 5-20 μA |
|---|---|
| fast raster: | off |
| target: | 3% carbon |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | |
| SHMS angle/momentum |
1H(eep)
Beam energy of 10.6 GeV
Beam Energy Measurement
- Experts: MCC,Mark Jones, Dave Mack
- Expected time: ? hours
- Goal: Measure beam energy for carbon elastics.
- Conditions:
| beam current: | 5uA |
|---|---|
| fast raster: | off |
| target: | none |
- MCC procedure
1H(eep)
SHMS Tune Verification
- Experts:
- Expected time:
- Goal:
- Conditions:
| beam current: | 5-20 μA |
|---|---|
| fast raster: | off |
| target: | 3% carbon |
| HMS/SHMS collimator: | PION , COLLIMATOR |
| HMS/SHMS trigger: | SCIN 3/4, SCIN 3/4 |
| HMS angle/momentum | |
| SHMS angle/momentum |
