Transcript The MERIT High-Power Target Experiment H. Kirk (BNL) CERN November 1, 2007 MERIT Experiment in the TT2a Area Material access shaft N2 Exhaust line Racks & electronics Personnel access Beam dump Solenoid &

The MERIT
High-Power Target
Experiment
H. Kirk (BNL)
CERN
November 1, 2007
MERIT Experiment in the TT2a Area
Material access shaft
N2 Exhaust line
Racks &
electronics
Personnel
access
Beam dump
Solenoid & Hg loop
Upstream beam elements (new)
 Quadrupoles for final focusing
 Collimator
 Beam profile measurement
 Beam intensity measurement
Sectional view of the MERIT Experiment
Solenoid
Secondary
Containment
Jet Chamber
Syringe Pump
Proton
Beam
4
3
2
1
Proton Beam
Hg Jet
Installed in the CERN TT2a Line
Before Mating
After Mating and Tilting
Hg Jet March 3, 2007 @ MIT
FastVision 1
SMD
0.1 ms/frame
20 m/s Hg jet, 7 Tesla field
FastVision 2
2 ms/frame
video camera
The Pump/Probe Detectors
ACEM (Aluminum Cathode
Electron Multiplier)
Diamond
+/- 10 degrees
Behind
dump in
beam line
+/- 20 degrees
In beam line,
upstream of
target
November 6, 2015
M. Palm, CERN - AB/ATB/EA
6
A 3TP Pump Pulse and a 1TP Probe Pulse with 1ms delay
Beam 8035, B=7T, V=15m/s Oct. 31, 2007
Viewport 3, 6ms
Viewport 2, 100µm/frame, Total 1.6ms
Pump 15TP
Probe 5TP
dT = 2.3μs
Viewport 3, 10ms
Beam 8037, B=7T, V=15m/s Oct. 31, 2007
Viewport 3, 16ms
Viewport 2, 100µm/frame, Total 1.6ms
Pump 15TP
Probe 5TP
dT = 700μs
Viewport 3, 12ms