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SPS Machine as a Vacuum Test Bench for the Electron Cloud Studies with LHC Type Beams. G. Arduini 1 , V. Baglin 3 , P. Collier 1 , G. Ferioli 2 , B. Henrist 3 , N. Hilleret 3 , B. Jenninger 3 , J.M. Jimenez 3 , J.M. Laurent 3 , K. Weiss 3 , F. Zimmermann 4 - PowerPoint PPT Presentation
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PAC2001, Two-Stream Instabilities and Collective Processes, prepared by J.M. JIMENEZCERN Division LHC - Vacuum Group
22/06/2001 SPS Machine: a vacuum test bench for theelectron cloud studies with LHC type beams
SPS Machine as a Vacuum Test Bench for the Electron Cloud
Studies with LHC Type Beams
G. Arduini1, V. Baglin3, P. Collier1, G. Ferioli2,
B. Henrist3, N. Hilleret3, B. Jenninger3, J.M. Jimenez3,
J.M. Laurent3, K. Weiss3, F. Zimmermann4
1SL/OP, 2SL/BI, 3LHC/VAC, 4SL/AP
CERN, Geneva, Switzerland
SSWG prepared by J.M. JIMENEZCERN Division LHC - Vacuum Group
17/07/2001
G. A
rdui
ni, V
. Bag
lin,
P. C
olli
er, G
. Fer
ioli
, B. H
enri
st, N
. Hil
lere
t, B
. Jen
ning
er, J
.M. L
aure
nt, J
.M. J
imen
ez, K
. Wei
ss, F
. Zim
mer
man
n
SPS Machine as a vacuum test bench for theelectron cloud studies with LHC type beams
FUTURE EXPERIMENTS
• Pick-ups - Characteristics and Energy Distribution
– e- cloud build-up (4 pick-ups) ok
– Energy distribution of the electrons (2 pick-ups) installed
– Triggering of the experiments on the LHC batch ok
• Behaviour of the electrons in a dipole magnetic field - Spatial Distribution
– “strip” detector (1 detector) “ok”
– “triangle” detectors (2 detectors, 1 with a filtering grid) installed
• Scrubbing effect by measuring in-situ the modification of the secondary electron yield ok
• Ions detector to exclude ion stimulated desorptioninstalled
• Warm-pack to measure the power dissipated by the e-cloud calibrated
SSWG prepared by J.M. JIMENEZCERN Division LHC - Vacuum Group
17/07/2001
G. A
rdui
ni, V
. Bag
lin,
P. C
olli
er, G
. Fer
ioli
, B. H
enri
st, N
. Hil
lere
t, B
. Jen
ning
er, J
.M. L
aure
nt, J
.M. J
imen
ez, K
. Wei
ss, F
. Zim
mer
man
n
SPS Machine as a vacuum test bench for theelectron cloud studies with LHC type beams
Triangle detector
SSWG prepared by J.M. JIMENEZCERN Division LHC - Vacuum Group
17/07/2001
G. A
rdui
ni, V
. Bag
lin,
P. C
olli
er, G
. Fer
ioli
, B. H
enri
st, N
. Hil
lere
t, B
. Jen
ning
er, J
.M. L
aure
nt, J
.M. J
imen
ez, K
. Wei
ss, F
. Zim
mer
man
n
SPS Machine as a vacuum test bench for theelectron cloud studies with LHC type beams
Strip detector
SSWG prepared by J.M. JIMENEZCERN Division LHC - Vacuum Group
17/07/2001
G. A
rdui
ni, V
. Bag
lin,
P. C
olli
er, G
. Fer
ioli
, B. H
enri
st, N
. Hil
lere
t, B
. Jen
ning
er, J
.M. L
aure
nt, J
.M. J
imen
ez, K
. Wei
ss, F
. Zim
mer
man
n
SPS Machine as a vacuum test bench for theelectron cloud studies with LHC type beams
Strip detector