September 20, 2011

summary what was been done

Run #	Beam	Dump magnet	Collimator	add coll	Hardener 1" Al	Radiator 10 um Al	Target	Comments
2502	Up 90A	In	Open	In	Yes	In	DU cylinder	Test radiator in/out. 120664 pulses R(upstream) = 0.0012 e+/pulse R(downstream) = 0.0272 e+/pulse
2503	Up 90A	In	Open	In	Yes	Out	DU cylinder	Test radiator in/out. 121258 pulses R(upstream) = 0 e+/pulse R(downstream) = 0.00091 e+/pulse About 97% of photons are coming from the radiator according to PS. Very Good
2504	Down 86A	In	Open	In	Yes	In	DU cylinder	Test radiator in/out. 121258 pulses R(upstream) = 0 e+/pulse R(downstream) = 0.00091 e+/pulse
2505	Down 86A	In	Open	In	Yes	Out	DU cylinder	Test radiator in/out. 121258 pulses R(upstream) = 0 e+/pulse R(downstream) = 0.00091 e+/pulse

Production runs

Run #	Beam	Dump magnet	Collimator	add coll	Hardener 1" Al	Radiator 10 um Al	Target	Comments
2494	Up 90A	In	Open	In	Yes	In	DU cylinder	Long production run pulses R(beam down) = n/pulse -> ×180×60 = 6.8 n/min R(upstream) = = e+/pulse