05-3-2017

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,
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,
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,
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,
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			singles: 2.63E-03 +- 1% doubles: 1.52E-05 +-20%	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

2nCor_44#Run_Plan