Run Meeting J-PARC (June 12th 2015)

1. S. Bianchin 9th
J-PARC PN Run Meeting (June 12th
2015)
Sébastien Bianchin
9th
J-PARC PN Run Meeting
June 12th
2015
Progress Report
E36 Experiment @ K1.1Br
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2. S. Bianchin 9th
J-PARC PN Run Meeting (June 12th
2015)
The E36 Experimental Setup
TOF2
TARGET
MWPC
SIDE VIEWEND VIEW
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3. S. Bianchin 9th
J-PARC PN Run Meeting (June 12th
2015)
The Active Scintillating Fiber Target
Designed and assembled at TRIUMF (Canada)
Delivered at J-PARC (Sept. 2014)
~ 6cm Diameter
256 Sc. Fibers (3.2 x 3.2 x 200 mm3
) + WLS Fibers
MPPC readout (1mm2
sensor)
Better Efficiency at Low Temperature Peltier Coolers
EASIROC Boards (developed by Tohoko Univ.)
64ch. I/O
ADC High Gain and Low Gain
Multi-hit TDC (LE & TE)
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4. S. Bianchin 9th
J-PARC PN Run Meeting (June 12th
2015)
E36 Central Detectors
TREK Target insertion (Sept. 2014) SFT Fibers inserted into Target DB
(Japan and Canada meet each other)
SFT
TOF1
AC
TARGET : 256ch
SFT : 128ch
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5. S. Bianchin 9th
J-PARC PN Run Meeting (June 12th
2015)
Improvement of TOF2 signals
moved
PMT replacement scheduled for the next beam
interruption (June 16th
)
47/48 channels are now working properly
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6. S. Bianchin 9th
J-PARC PN Run Meeting (June 12th
2015)
Gain adjustment for SFT
Bad Light Collection or BAD MPPCs ?
Possibility of adjusting the Bias Voltage for each MPPC
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7. S. Bianchin 9th
J-PARC PN Run Meeting (June 12th
2015)
Q7 and Q8 tuning
We are currently tuning the Q7 and Q8 magnets in order focus the Kaon beam
in the center of the TREK Active Target
Event Display of a Kaon Decay in the TREK Target
Kaon Hit Position in the TREK Target
PRELIMINARY RESULTS
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8. S. Bianchin 9th
J-PARC PN Run Meeting (June 12th
2015)
Temperature Control & Monitoring
Peltier Cooler Slow Control (Labview)
Temp. & Humidity Control using MIDAS
Possibility of monitoring
Target DB & EE temp. & Humidity
from the Counting House
using a VNC connection
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9. S. Bianchin 9th
J-PARC PN Run Meeting (June 12th
2015)
HV Slow Control
(Courtesy of Bishoy Dongwi, Hampton University, VA, USA)
Set and Control High Voltage for different detectors (Including CsI(Tl))
directly from the Counting House
NEW
!
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