Difference between revisions of "05-1-2017"

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[[2nCor 44| go_back]]
 
  
 
''' Electronics map for the two auxiliary scintillators  '''
 
{| border="1" style="text-align: center"
 
! 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.
 
 
Small aux. scintillators have a CFD threshold of 0.550 V for run 6274 and later.
 
 
{| border="1"
 
! 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||  ||  ||
 
|-
 
| 6274|| 12 pV*s || Th || , '''7.0 MeV''' , 3 ns FWHM pulse width , 1.3 A Peak , 180.4 Hz , small Scint at .725 m and 1.45 m, ||  ||  ||
 
|}
 
 
 
 
 
 
 
 
 
 
 
[[2nCor 44| go_back]]
 

Latest revision as of 13:17, 3 May 2017