Geometry (25 MeV LINAC exit port)

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general setup

geometry calculation

collimator diameter	$\Theta_{critical}$	$\Theta_{kicker}$	$\alpha_{collimator}$	$AC$	$A_1C_1$	$BD$	$B_1D_1$	$FA$	$GH$
$\frac{\Theta_{critical}}{2}$	$1.17^o$	$0.83^o$	$2.03^o$	4.13 cm	6.78 cm	2.92 cm	4.79 cm	75 cm	7.49 cm
$\frac{\Theta_{critical}}{4}$	$1.17^o$	$0.83^o$	$1.43^o$	4.13 cm	6.78 cm	1.46 cm	2.40 cm	136 cm	3.74 cm

geometry pictures

how it looks 1 ($\Theta_c/2$, box 3"x4" and then pipe 4")

File:Vacuum pipe collimator .png

how it looks 2 ($\Theta_c/4$, box 3"x4" and then pipe 4")

File:Vacuum pipe collimator .png

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