10 MeV Injector Test Stand Experimental Plan
D. Kehne
7/25/96

Objectives:
1.  RF Gradients Verified
2.  Operation RF phase determined
3.  Drifts Quantified
4.  Gun Operation Verified
	a.  Transverse Measurements by D. Engwall (2 mo. )
	b.  Longitudinal Measurements by D. Kehne (2 mo.)
5.  Beam jitter quantified
6.  Cyrounit focusing determined
7.  High Power CW delivered
	a.  RF stability
	b.  Turn on procedure
	c.  High power dump operation
	d.  MPS operation
8.  Cathode lifetime study - 
	a.  Ongoing throughout tests
	b.  Automated monitoring essential
9.  PARMELA verified
10.  Startup procedure verified
11.  Prototype Autostart Program operational
12.  Transverse emittance measurements 
	a.  Device tested
	b.  Cross comparison with quad scanning
13.  Specifications met
	a.  10 MeV
	b.  2.5 mAmp CW
	c.  Emittance specification met
	d.  Bunch length specification met

I.  Hardware Checkout
	A.  Gun
		1.  Achieve nominal parameters - 2 months
		2.  Determine optimum operating conditions 
		3.  Drive Laser checkout - jitter wrt rf
	B.  RF
		1.  Buncher - achieve stable operation at nominal gradient -- 1 week  
		2.  Cryounit - achieve stable operation at nominal gradients -- 1 week 
	C.  Diagnostics
		1.  Transverse emittance at 10 MeV
			a.  Slits move into position
			b.  OTR/viewer operational
			c.  Data analysis
			d.  Automation
		2.  Bunch length via CTR interferometer
			a.  Alignment
			b.  Interferometer operational
			c.  Test with fake source
			d.  Epics software development
		3.  Test BPM Prototype
		4.  Test OTR viewer/profile system
			a.  Plunger operational
			b.  Camera operational
			c.  Calibration
				i.  mm/pix
				ii.  Light sensitivity
		5.  Phase Transfer diagnostic tests
			a.  Test method on main machine using CSR or possibly OTR
			b.  Alignment of Photodiode
	D.  MPS Checkout 1/2 man day
		1.  BLM HV
	E.  Magnet - polarity, amplitude, and software checks - 1 man day
		1.  Quads
		2.  Correctors
		3.  Expander quads
		4.  Raster
		5.  Solenoids
		6.  Spectrometer dipole

II.  Gun Experimental Plan August  1996- January 1997
	A.  500 kV Gun Measurements - Characterization of the Beam
		1.  Transverse emittance measurements at 300 kV
		2.  Longitudinal and transverse measurements at >350 keV
	
III.  10 MeV Beam Experiments -- Spring 1997 (5 weeks with NO problems, probably 
12 		weeks)
	A.  Establish Low charge(< 1 pC) beam to 10 MeV dump 
	B.  Calibrate/check with beam -- Å2 days
		1.  Buncher - 1 day
		2.  Cryounit gradient - 1/2 day
		3.  OTR viewer operation - 1/4 day
		4.  Threading procedure 1-2 days
		5.  Bunch length diag.
		6.  Save/Restore (Does beam restore?)
		7.  Emittance diag.:  Are beamlets on viewer visible?
	C.  Increase charge per bunch to > 20 pC (1-3 days)
		1.  Reset unit phasing if necessary - 1 day
		2.  Measure energy spread 1/4 day
		3.  Perform bunch length Measurement 1 day
		4.  Measure emittance using slits and quad scanning 1 day
		5.  Measure beam loading effects - 1 day (Concurrent with others)
	D.  Increase Q to 135 pC and repeat measurements - (4-10 days) 
		1.  Achieve Q - 2-5 days
		1.  Reset unit phasing if necessary - 1 day
		2.  Measure energy spread  - 1/4 day
		3.  Perform bunch length Measurement - 1/2 day
		4.  Measure emittance using slits and quad scanning - 1 day
		5.  Measure beam loading effects  - 1 day
	E.  Set Up for CW operation (Note:  nominal parameters not necessary for tests; 	
	preferably done for each power level) (2-7 days)
		1.  Establish beam on 10 MeV dump, expander off - <1/2 day
		2.  Activate MPS
			a.  Setup BLMs to trip at required HV - 2 days
			b.  Test BLM operation 1/2 day
		3.  Activate expander and increase beam power to max - 1-5 days
		4.  Watch RF effects - parasitic
	F.  Parameter Space studies (  Establishes sensitivity; in conjunction with 		
	simulations) (1-week)
		1.  Bunch length / ex as a function of:  (1 week)
			a.  Buncher phase 1 day
			b.  Buncher gradient -- 1 day
			c.  Cryounit phase -- 1 day
			d.  Crounit gradient imbalance -- 1 day
			e.  Charge per bunch -- 1 day
			f.  Gun phase slip -- 1 day
		2.  Expanded beam position and size as a function of (1 week)
			a.  Buncher phase -- 1 day
			b.  Buncher gradient
			c.  Cryounit phase
			d.  Crounit gradient (Beam energy)
			e.  Charge per bunch
			f.  Gun phase slip
	G.  Run 25 kW (or max.) beam to dump til cathode dies or 24 hours (1 week)
		1.  Observe cathode emission as a function of time( is it better than for the 
			hostile environment of the 500 keV measurements) 
		2.  Observe drifts 
		3.  Watch for system failure


IV.  Procedure development -- Ongoing, should be complete by end of ITS
	A.  Gun operation procedures
	B.  Beam line setup
	C.  Diagnostic operation
	D.  AUTO START