Difference between revisions of "05-1-2017"
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''' Electronics map for the two auxiliary scintillators ''' | ''' Electronics map for the two auxiliary scintillators ''' | ||
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| 6273|| 21 pV*s || -||''' Th''', 7.5 MeV , 3 ns FWHM pulse width , 1.3 A Peak , 180.4 Hz , small Scint at .725 m and 1.45 m, teed off Beam current monitor changing pulse size from 21 pV*s to 14 pV*s , inserted beam current into PADC ch 6 20 minutes into run|| || || | | 6273|| 21 pV*s || -||''' Th''', 7.5 MeV , 3 ns FWHM pulse width , 1.3 A Peak , 180.4 Hz , small Scint at .725 m and 1.45 m, teed off Beam current monitor changing pulse size from 21 pV*s to 14 pV*s , inserted beam current into PADC ch 6 20 minutes into run|| || || | ||
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Revision as of 14:55, 2 May 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
| Run # | Charge/pulse | Target | Configuration | Individual histos + rates | overlayed histos | All PMT's no coinc. |
|---|---|---|---|---|---|---|
| 6272 | 18 pV*s | - | D2O, 7.5 MeV , 3 ns FWHM pulse width , 1.3 A Peak , 180.4 Hz , | |||
| 6273 | 21 pV*s | - | Th, 7.5 MeV , 3 ns FWHM pulse width , 1.3 A Peak , 180.4 Hz , small Scint at .725 m and 1.45 m, teed off Beam current monitor changing pulse size from 21 pV*s to 14 pV*s , inserted beam current into PADC ch 6 20 minutes into run |