run meeting j-parc (june 12th 2015)

S. Bianchin 9th J-PARC PN Run Meeting (June 12th 2015)

Sébastien Bianchin

9th J-PARC PN Run Meeting June 12th 2015

Progress ReportE36 Experiment @ K1.1Br

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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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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 Diameter256 Sc. Fibers (3.2 x 3.2 x 200 mm3) + WLS FibersMPPC readout (1mm2 sensor)Better Efficiency at Low Temperature Peltier Coolers

EASIROC Boards (developed by Tohoko Univ.)64ch. I/OADC High Gain and Low GainMulti-hit TDC (LE & TE)

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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 TOF1AC

TARGET : 256ch

SFT : 128ch

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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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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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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 TargetKaon Hit Position in the TREK Target

PRELIMINARY RESULTS

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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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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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