Difference between revisions of "Installation and Commissioning"

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   <li> [[Beam Centering]]
 
   <li> [[Beam Centering]]
 
   <li> [[Raster Size Calibration]]
 
   <li> [[Raster Size Calibration]]
−
   <li> [[BPM Calibration]] (Bullseye scan)
+
   <li> [[BPM Calibration]] (pedestal run, Bullseye scan)
 
   <li> [[BCM Calibration]]
 
   <li> [[BCM Calibration]]
 
   <li> [[ARC Energy Measurement]] (parasitic only)
 
   <li> [[ARC Energy Measurement]] (parasitic only)
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<li> Trigger Timing Checkout
 
<li> Trigger Timing Checkout
  
−
<li> Detector Checkout
+
<li> Detector Checkout with single foil, multi foils, and target cells
 
  <ol>
 
  <ol>
 
   <li> VDC wire hits and efficiencies
 
   <li> VDC wire hits and efficiencies
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  </ol>
 
  </ol>
  
−
<li> HRS Optics
+
<li> Boiling Study at 17 degree on 3H, 3He, 2H, H targets and empty cell
 +
 
 +
<li> HRS Optics with saturated Q1 (LHRS p0>3 GeV, RHRS?)
 +
<ol>
 +
  <li> Multifoil target:
 +
  <ol>
 +
    <li> one DIS run without sieve for y-target calibration
 +
    <li> sieve on, take a long DIS run for theta, phi calibration
 +
  </ol>
 +
  <li> Hydrogen target: elastic peak check (move RHRS to a larger angle), and delta scan at +-2%, +-4% of elastic peak
 +
</ol>
  
 
<li> Detector Calibrations
 
<li> Detector Calibrations
  
−
<li> Target
+
 
  
 
</ol>
 
</ol>

Revision as of 17:41, 7 November 2017

Back to 2017 Fall Run Plan Back to Tritium-Main

Installation Schedule

Target Installation

Other Installation (e.g.,parasitic test)

Survey Info

Beam Instrumentation

Target Positions

Spectrometer Angles

  • HRS-L
Angle Time Experiment Run Number Ranges Report Comment
20 02/01/2017 MARATHON 1111 ~ 2222 link
  • HRS-L
Angle Time Experiment Run Number Ranges Report Comment
20 02/01/2017 MARATHON 1111 ~ 2222 link

Commissioning Plan

Before Beam

  • Beamline
    • Twiddle Measurement to check BPMs (placeholder slides)
    • Clock run with raster on, check and compare fastbus and Flash raster signals (placeholder slides)
    • Harp Checkout/Testing
    • Unser Checkout/Testing
    • Beam Energy Measurements System Checkout/Testing
    • Optical Radiation Monitor?
  • Spectrometer Angles

LHRS

Angle Momentum Duration Experiment Run Number Ranges Report Comment
17.0 3.980 175 hrs x>1 1111 ~ 2222 link
17.0 3.710 27 hrs x>1 1111 ~ 2222 link

RHRS

Angle Momentum Time Experiment Run Number Ranges Report Comment
28.5 2.910 132 hrs x>1 ~90000 link
28.5 2.715 75 hrs x>1 ~90000 link
28.5 2.530 38 hrs x>1 ~90000 link


  • Magnets
    • Decide on scaling function for Q1s (not linear!)
    • Test LHRS full momentum range
    • Test RHRS full momentum range
    • LHRS Initial Momentum: ??.?? GeV/c
    • RHRS Initial Momentum: ??.?? GeV/c
  • DAQ
    • LHRS DAQ machine: adaq1
    • RHRS DAQ machine: adaq2
    • Currently Functional online analysis machines: adaq3
    • Keep only necessary CODA configurations
    • Setup/Test remote power cycle of all crates
  • Software
    • Demonstrate/write-up new Strip Chart procedure
    • Verify BTA functionality
    • Demonstrate working Podd1.6, ROOT6, replay and online plots with cosmics
    • Demonstrate updated spotL/spotR code (take special run with clock trigger and raster on)
    • Demonstrate updated online liveTime calculations with cosmics/clock

With First Beam

  1. Beamline
    1. Beam Centering
    2. Raster Size Calibration
    3. BPM Calibration (pedestal run, Bullseye scan)
    4. BCM Calibration
    5. ARC Energy Measurement (parasitic only)
  2. Trigger Timing Checkout
  3. Detector Checkout with single foil, multi foils, and target cells
    1. VDC wire hits and efficiencies
    2. TDC distributions of scintillators, VDCs, and GC
    3. fastbus ADC distributions of scintillators, GC, and calorimeters
    4. FlashADC distributions of scintillators and GC
    5. Check all scalers
    6. check thresholds
  4. Boiling Study at 17 degree on 3H, 3He, 2H, H targets and empty cell
  5. HRS Optics with saturated Q1 (LHRS p0>3 GeV, RHRS?)
    1. Multifoil target:
      1. one DIS run without sieve for y-target calibration
      2. sieve on, take a long DIS run for theta, phi calibration
    2. Hydrogen target: elastic peak check (move RHRS to a larger angle), and delta scan at +-2%, +-4% of elastic peak
  6. Detector Calibrations

Commissioning Results

Optics commissioning runs

BPM calibration runs (Bull's eye scan)

Relative position LHRS CODA run RHRS CODA run Harp scan entry no.
(0,0)
(2,2)
(2,-2)
(-2,-2)
(-2,2)
(3,3)
(-3,-3)

BCM calibration runs

Beam Current (uA) LHRS CODA run RHRS CODA run BCM logger Comments
5
10
15
20
25

Target Boiling Study

  • H3 Target
Run number Target Beam Current Raster Size Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
H3 25uA 2x2 cm
H3 15uA 2x2 cm
H3 5uA 2x2 cm
  • He3 Target
Run number Target Beam Current Raster Size Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
He3 25uA 2x2 cm
He3 15uA 2x2 mm
He3 5uA 2x2 cm


  • C12 target for a normalization check for beam-current dependent rate check.
Run number Target Beam Current Raster Size Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
Carbon-Foil 25uA 2x2 mm
Carbon-Foil 15uA 2x2 mm
Carbon-Foil 5uA 2x2 mm

Beam Energy Measurements

Energy of central ray (MeV) Dispersive mode Halog entry
11000.00
4400
2200


Dedicated Commissioning Plans

(ee') SRC (x>1)

MARATHON

(ee'p) SRC

(ee'K) Hypernucleus

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