Post on 24-Jan-2016
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Second CLIC Test Facility (CTF-II)
!! Two beam acceleration !!
qtrain 375 nC
qbunch 7.8 nC
30 GHz power out of PETS 1/2 27/22 MW
30 GHz power into CAS 1/221/17 MW
RF pulse length 16 ns
Gradient in CAS 1/2 57/51 MV/m
30 GHz acceleration 30.5 MeV
E m i t t a n c e G r o w t h a n d S h i e l d i n g ( T h e o r y ! )
C o h e r e n c e : c s r > l
S h i e l d i n g : < h c
l a r g e r h o r . b e t a f u n c . - - > l a r g e r e m i t t . g r o w t h
l o n g w a v e l e n g t h s a r e c u t o ff - - > r a d i a t i o n s h i e l d e d
Setup for CSR experiments at CTF-II (emittance growth)
Title:
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! R56 > 0 !
-2.00 -1.00 0.00 1.00 2.00
x (mm)
Emittance_X=188.3pi*mm*mrad Beta_X= 0.96m Alpha_X= 0.10
-2.00
-1.00
0.00
1.00
2.00
-3.00 -2.00 -1.00 0.00 1.00 2.00 3.00
y (mm)
Emittance_Y=336.4pi*mm*mrad Beta_Y= 0.76m Alpha_Y=-0.48
-4.00
-2.00
0.00
2.00
4.00
16/11/00 15:12:42
0.00 2.00 4.00 6.00 8.00
-1.00
-0.50
0.00
0.50
1.00
Twiss Parameters of line measem
Dx [m]
Z [m]
0.00 2.00 4.00 6.00 8.00
0.0
5.0
10.0
15.0
20.0
By [m]
Z [m]
0.00 2.00 4.00 6.00 8.00
0.0
5.0
10.0
15.0
20.0
Bx [m]
Z [m]
Emittance vs. Hor. Beta Function
horizontal beta function
vertical beta function
E x p e r i m e n t a l S e t u p a t C T F I I ( S h i e l d i n g )