05-3-2017

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Electronics map for the two auxiliary scintillators

Phi Angle (Degrees) PMT distance Signal cable label HV cable label HV channel on Lecroy Mainframe CFD CH VNIM-ECL channel ROOT variable
~282 m 102B1.2 shv1.2 5:L1.2 1 (left) B-0 evt.TDC[1][25]
~282 m 282T1.7 shv1.7 5:L1.7 2 (left) B-1 evt.TDC[1][26]


run list

He-3 timing is in patch panel 223A16, & energy is 223A17.

High voltage & discriminator settings:

30T: 1450;30 , 30B:1450;30 , 54T: 1500;30 , 54B: 1500;30 , 78T:1500;30 , 78B: 1525;30 , 126T: 1500;30 , 126B: 1500;30 , 150T: 1500;40 , 150B: 1500;40 , 210T: 1500;40 , 210B: 1500;40 , 234T: 1500;30 , 234B: 1500;30 , 258T: 1350;30, 258B: 1450;30 , 306T: 1400;30 , 306B: 1400;30 , 330T: 1450;30 , 330B: 1500;30

Radiator 1.5" Al.

Slits currently at 500 => 19 mm, at 75 =0, at 1000=38 mm, readback number is linear with slit width.

Cuts used in histograms: neutrons: 40 to 140 ns ; photons: -20 to 30 ns ; noise: 200 to 500ns



Run # Charge/pulse Target Configuration Individual histos + rates overlayed histos neutron coincidences per pulse neutron coincidences per pulse per Amp
6286 Integral=12.5 pV*s 260 mV peak = 1.4A Empty 10.6 MeV (1123 Gauss) , 3 ns FWHM pulse width , 1.4 A Peak , 180.4 Hz , Removed small Scint at .725 m Kept Scint in at 1.45 m,
6287 Integral=12.5 pV*s 9 mm x 2cm x 4cm thick Al (1/10 R_0) 10.6 MeV (1123 Gauss) , 3 ns FWHM pulse width , 1.4 A Peak , 180.4 Hz , Removed small Scint at .725 m Kept Scint in at 1.45 m, R6286-R6287Overlay.png
6288 Integral=12.5 pV*s 0.5 mm x 4 cm x 2 cm DU-238 R45020 10.6 MeV (1123 Gauss) , 3 ns FWHM pulse width , 1.4 A Peak , 180.4 Hz , Removed small Scint at .725 m Kept Scint in at 1.45 m, R6286-R6287-R6288Overlay.png
6290 Integral=12.5 pV*s 0.5mm x 2cm x 4cm Th #170113000 10.6 MeV (1123 Gauss) , 3 ns FWHM pulse width , 1.4 A Peak , 180.4 Hz , Removed small Scint at .725 m Kept Scint in at 1.45 m, R6290-R6288Overlay.png
6291 Integral= 11.5 pV*s HEU Tag #HMF-SNM-ER-2L 10.6 MeV (1123 Gauss) , 3 ns FWHM pulse width , 1.4 A Peak , 180.4 Hz , Removed small Scint at .725 m Kept Scint in at 1.45 m, R6290-R6291Overlay.png
6292 Integral= 7.5 pV*s 0.5 mm x 4 cm x 2 cm DU-238 R45020 10.6 MeV (1123 Gauss) , 3 ns FWHM pulse width , 0.9 A Peak , 180.4 Hz R6292.png singles: 2.63E-03 doubles: 1.52E-05 singles/A: 2.92E-03 doubles/A: 1.69E-05
6293 Integral= 4.5 pV*s 0.5 mm x 4 cm x 2 cm DU-238 R45020 10.6 MeV (1123 Gauss) , 3 ns FWHM pulse width , 0.7 A Peak , 180.4 Hz

beam profile

circle=2cm ; inner ring = 5cm ; outter ring = 10 cm

Beam profile.jpg

2nCor_44#Run_Plan