Difference between revisions of "05-3-2017"

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| 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  ||  || [[File:R6286-R6287Overlay.png|200px]] || singles: 8.72E-04 doubles: 0.00E+00 || singles: +- 8% doubles: +-inf% || singles/A: 6.23E-04 doubles/A: 0.00E+00
 
| 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  ||  || [[File:R6286-R6287Overlay.png|200px]] || singles: 8.72E-04 doubles: 0.00E+00 || singles: +- 8% doubles: +-inf% || singles/A: 6.23E-04 doubles/A: 0.00E+00
 
|-
 
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| rowspan="2" | 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 , ||  ||  [[File:R6286-R6287-R6288Overlay.png|200px]]|| singles: 4.02E-03 doubles: 1.82E-05 || singles: +- 2% doubles: +-40% || singles/A: 2.87E-03 doubles/A: 1.30E-05 || doubles/single: 4.539E-03
+
| rowspan="2" | 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 , ||  ||  [[File:R6286-R6287-R6288Overlay.png|200px]]|| singles: 3.20E-03 doubles: 9.11E-06 || singles: +- 3% doubles: +-57% || singles/A: 2.29E-03 doubles/A: 6.51E-06 || doubles/single: 2.85E-03
 
|-
 
|-
 
| colspan="5" | Coincidence analysis while using data from the first 40 minutes of run 6283 from yesterday, combined with the data from run 6288 ([[05-2-2017| yesterday's runlist]]) ====>> || singles: 4.68E-03 doubles: 2.10E-05 || singles: +- 1% doubles: +-24% || singles/A: 3.34E-03 doubles/A: 1.50E-05 || doubles/single: 4.49E-03
 
| colspan="5" | Coincidence analysis while using data from the first 40 minutes of run 6283 from yesterday, combined with the data from run 6288 ([[05-2-2017| yesterday's runlist]]) ====>> || singles: 4.68E-03 doubles: 2.10E-05 || singles: +- 1% doubles: +-24% || singles/A: 3.34E-03 doubles/A: 1.50E-05 || doubles/single: 4.49E-03

Revision as of 04:06, 18 May 2017

The He-3 detector output from the spec amp to the ADC had the wrong polarity


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 n-coin error neutron coincidences per pulse per Amp doubles/singles
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 singles: 7.22E-04 doubles: 0.00E+00 singles: +- 6% doubles: +-inf% singles/A: 5.16E-04 doubles/A: 0.00E+00
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 R6286-R6287Overlay.png singles: 8.72E-04 doubles: 0.00E+00 singles: +- 8% doubles: +-inf% singles/A: 6.23E-04 doubles/A: 0.00E+00
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 , R6286-R6287-R6288Overlay.png singles: 3.20E-03 doubles: 9.11E-06 singles: +- 3% doubles: +-57% singles/A: 2.29E-03 doubles/A: 6.51E-06 doubles/single: 2.85E-03
Coincidence analysis while using data from the first 40 minutes of run 6283 from yesterday, combined with the data from run 6288 ( yesterday's runlist) ====>> singles: 4.68E-03 doubles: 2.10E-05 singles: +- 1% doubles: +-24% singles/A: 3.34E-03 doubles/A: 1.50E-05 doubles/single: 4.49E-03
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 , R6290-R6288Overlay.png singles: 1.76E-03 doubles: 6.64E-06 singles: +- 4% doubles: +-70% singles/A: 1.26E-03 doubles/A: 4.75E-06 doubles/single: 3.77E-03
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 , R6290-R6291Overlay.png singles: 2.26E-03 doubles: 4.61E-06 singles: +- 2% doubles: +-57% singles/A: 1.61E-03 doubles/A: 3.30E-06 doubles/single: 2.04E-03
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: +- 1% doubles: +-20% singles/A: 2.92E-03 doubles/A: 1.69E-05 doubles/single: 5.769E-03
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 singles: 1.76E-03 doubles: 6.27E-06 singles: +- 2% doubles: +-37% singles/A: 2.51E-03 doubles/A: 8.96E-06 doubles/single: 3.568E-03


beam profile

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

Beam profile.jpg

2nCor_44#Run_Plan