September 21, 2011

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Beam Parameters:

• current 140 mA
• pulse width 2 us
• rep rate 180 Hz
• E = 25 MeV

Initial Test for Verification

Run #	Beam	Dump magnet	Collimator	add coll	Hardener 1" Al	Radiator 25 um Al	Target	Comments
2515	Up 90A	In	Open	In	Yes	In	DU cylinder	Test radiator in/out. 144632 pulses R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min R(upstream) = 0 e+/pulse
2516	Up 90A	In	Open	In	Yes	Out	DU cylinder	Test radiator in/out. 0 pulses R(bottom) = 0 n/pulse R(upstream) = 0 e+/pulse About 0% of photons are coming from the radiator according to PS.
2517	Down 86A	In	Open	In	Yes	In	DU cylinder	Test radiator in/out. R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min R(upstream) = 0 e+/pulse
2518	Down 86A	In	Open	In	Yes	Out	DU cylinder	Test radiator in/out. 0 pulses R(bottom) = 0 n/pulse R(upstream) = 0 e+/pulse About 0% of photons are coming from the radiator according to PS.

Production runs

Run #	Beam	Dump magnet	Collimator	add coll	Hardener 1" Al	Radiator 25 um Al	Target	Comments
2519	Up 90A	In	Open	In	Yes	In	DU cylinder	Long production run: 0 pulses (90 minute run) Operator said the beam is really jittery R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min R(upstream) = 0 e+/pulse
2520	Down 86A	In	Open	In	Yes	In	DU cylinder	Long production run: 0 pulses (90 minute run) R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min R(upstream) = 0 e+/pulse
2508	Down 86A	In	Open	In	Yes	Out	DU cylinder	Long production run: 300000 pulses (30 minute run) R(bottom) = 6.6E-6 n/pulse -> × 180 Hz × 60 sec/min = 0.07 n/min R(upstream) = 1.1E-3 e+/pulse
2509	Up 90A	In	Open	In	Yes	In	DU cylinder	Long production run: 200092 pulses (20 minute run) R(bottom) = 9.7E-4 n/pulse -> × 180 Hz × 60 sec/min = 10.5 n/min R(upstream) = 22.8E-3 e+/pulse
2510	Up 90A	In	Open	In	Yes	In	DU cylinder	Long production run: 766381 pulses (70 minute run) R(bottom) = 9.8E-4 n/pulse -> × 180 Hz × 60 sec/min = 10.58 n/min R(upstream) = 22.01E-3 e+/pulse
2511	Down 86A	In	Open	In	Yes	In	DU cylinder	Long production run: 972771 pulses (90 minute run) R(bottom) = 10.66E-4 n/pulse -> × 180 Hz × 60 sec/min = 11.5 n/min R(upstream) = 25.5E-3 e+/pulse
2512	Down 86A	In	Open	In	Yes	Out	DU cylinder	Long production run: 197313 pulses (20 minute run) R(bottom) = 2E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.22 n/min R(upstream) = 1.02E-3 e+/pulse
2513	Down 86A	In	Open	In	Yes	In	None	Long production run: 380333 pulses (30 minute run) R(bottom) = 2.8E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.31 n/min R(upstream) = 24.8E-3 e+/pulse

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