Installation and Commissioning

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Installation Schedule

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

• Trigger Timing Checkout (placeholder slides)

• HRS Detector Checkout
  • VDC Wiremaps (placeholder slides)
  • TDC distributions of hodoscopes and GC (placeholder slides)
  • FastBus ADC distributions of hodoscopes, GC, and calorimeters (placeholder slides)
  • FlashADC distributions of hodoscopes, GC, and calorimeters (placeholder slides)

• Beamline
  • Twiddle Measurement to check BPMs (placeholder slides)
  • Clock run with raster on, check and compare fastbus and Flash raster signals (placeholder slides)

• Set Initial Spectrometer Angles
  • LHRS: ??.?? degrees
  • RHRS: ??.?? degrees

• Set Initial Magnet Settings
  • Decide on scaling function for Q1s (not linear!)
  • LHRS Momentum: ??.?? GeV/c
  • RHRS Momentum: ??.?? GeV/c

With Beam

1. Beamline
   1. Raster Size Calibration
   2. Beam Centering
   3. BPM Calibration (Bullseye scan)
   4. BCM Calibration
   5. ARC Energy Measurement
2. Trigger Timing Checkout
3. Detector Checkout
   1. VDC wiremaps and efficiencies
   2. TDC distributions of hodoscopes and GC
   3. fastbus ADC distributions of hodoscopes, GC, and calorimeters
   4. FlashADC distributions of hodoscopes and GC
   5. Check all scalers
   6. check thresholds
4. HRS Optics
5. Detector Calibrations
6. Target

Commissioning Results

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