Prsentation PowerPoint

1
PHOENIX 28 GHz / 1 KW / 15 ms UHF at 4 Hz ( F 6mm
/20 KV/ monogap/ Argon gas)
 Pre-glow  of Ar during 1 ms At the beginning
of a 15 ms UHF bunch
Spectre at t400 µs
Ar8
Ar8 f(t)
400 µs rising time of Ar8
2
u.a.
Low pressure Discharge i.e. low density without
MCI
Pre glow with MCI
Ar 4
H2
Ar 8
Ar 2
H
Ar 9
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Comments of Thomas Thuillier, March 27th 2001 on
the logbook of PHOENIX 28 GHz
Dp a factor two It depends of the initial
pressure the duty cycle and the extraction hole
Of course 20mAe/20KV/monogap