AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
BRIKEN
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Entry time:
Mon Jul 18 18:40:32 2016
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Test of individual 3He tubes The tests were done using the ATOMKI MCA and HV: ISEG NH204M Preamp: Mesytec MHV-16 (Unipolar IFIC) Amp: ORTEC671 (Gain=5x0.5,SHP=6us) Pulser: 10Hz-Clock + TC410A G&DG + BH-1 (tr=1us,tf=1ms,amp=0.7) Spectra measured with 1024 channels Counting time: 100s (UPC, RIKEN and ORNL 1") 120s (ORNL 2") Neutron source: 252Cf PE setup: 1 inches tubes were tested on the BELEN-20 PE matrix, while for 2 inches tubes a moderator was prepared using existing material (see attached figures). Attached a figure with a sample spectrum for each tube type and a compressed file with all the measured spectra in ASCII format. All the tubes performed correctly. The neutron signal is well separated from the noise. The RIKEN tubes have the highest gain. Gain in the UPC tubes is the lowest.
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Attachment 1:
Histograms_testing_BRIKEN_tubes_Jul16.zip
Attachment 2:
Tube1_RIKEN.png
Original size: 796x570
Attachment 3:
Tube25_UPC.png
Original size: 796x570
Attachment 4:
Tube65_ORNL_1inch.png
Original size: 796x570
Attachment 5:
Tube88_ORNL_2inch.png
Original size: 796x570
Attachment 6:
setup_1inch.jpeg
Original size: 1280x720
Attachment 7:
setup_2inch.jpeg
Original size: 1280x720
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