Difference between revisions of "09-07-2016"
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|5303 || || 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.2563 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is DU , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,Installed 3rd collimator wall, D30 has '''NO''' lead curtain [[File:Rate2nC_5303.png|40px]] | |5303 || || 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.2563 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is DU , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,Installed 3rd collimator wall, D30 has '''NO''' lead curtain [[File:Rate2nC_5303.png|40px]] | ||
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| − | |5304 || || 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.2563 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is '''~0.5 mm x 7 cm x 4 mm Th''' , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,Installed 3rd collimator wall, D30 has '''NO''' lead curtain, unplugged D225T to observe analog pulse during run [[File:Rate2nC_5304.png|40px]] | + | |5304 || || 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.2563 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is '''~0.5 mm x 7 cm x 4 mm Th''' , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,Installed 3rd collimator wall, D30 has '''NO''' lead curtain, unplugged D225T to observe analog pulse during run , interlock trip ends run early[[File:Rate2nC_5304.png|40px]] |
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Latest revision as of 22:45, 7 September 2016
No target collimator open
- Beam Conditions
- 11.1 MeV , 2 ns pulse width
- Detector HV
- =-1700 Volts on all detectors
| Run # | D90 Rate (Counts/pulse) | Configuration |
| 5277 | 11.1 MeV , 2 ns pulse width , 850 mA , 60 Hz , Collimators wide open , radiator out , Tuning | |
| 5286 | .18 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Collimators wide open , radiator 3/4" Al , Target is 3/4 thick Al @ 90 degree to beam 
|
| 5288 | 0.14 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Collimators wide open , radiator Out , Target is 3/4 thick Al @ 90 degree to beam 
|
| 5289 | 0.02 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open, Cell side collimator closed , radiator Out , Target is 3/4 thick Al @ 90 degree to beam, Block cell on accelerator side to measure shower from beam dump with max e- hitting dump 
|
| 5290 | 0.001 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open, Cell side collimator closed , radiator Out , Target is 3/4 thick Al @ 90 degree to beam, Block cell on accelerator side to measure shower from beam dump with max e- hitting dump, RF OFF a.k.a no beam 
|
| 5291 | 0.01 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open, Cell side collimator closed , radiator 3/4" IN , Target is 3/4 thick Al @ 90 degree to beam, Block cell on accelerator side 
|
| 5292 | 0.01 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open, Cell side collimator closed , radiator 1.5" IN , Target is 3/4 thick Al @ 90 degree to beam, Block cell on accelerator side 
|
| 5293 | 0.23 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open, Cell side collimator OPEN , radiator 3/4" IN , Target is 3/4 thick Al @ 90 degree to beam, UNBlock cell on accelerator side 
|
| 5294 | 0.08 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open, Cell side collimator OPEN , radiator 3/4" IN , Target is OUT, UNBlock cell on accelerator side 
|
| 5295 | 0.00969 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open, Cell side collimator OPEN , radiator 3/4" IN , Target is DU, UNBlock cell on accelerator side 
|
DU cylinder target
- Beam Conditions
- 11.1 MeV , 2 ns pulse width
1” Al radiator, collimator slit open, HV -1700V,*Find lowest thresholds to run.
| Run # | D90 n Rate (Counts/pulse) | Configuration |
| 5295 | 0.01 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open, Cell side collimator OPEN , radiator 3/4" IN , Target is DU, UNBlock cell on accelerator side
|
| 5296 | 0.01898 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.8 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is DU 
|
| 5297 | 0.01768 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.8 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is DU , D30 HV changed from -1700 to -1550V, All other detectors at -1700 V,moved stand below pair spectrometer magnet, added 2 borated poly bricks to catch positrons and 4" unborated poly to catch electrons exiting pair spectrometer magnet,
|
| 5298 | 0.0132 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.8 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is DU , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,
|
| 5299 | 0.00743 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.8 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is Empty , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,
|
| 5300 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.2563 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is Empty , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,
| |
| 5301 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to '0.2563 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is Empty , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand, Installed 3rd collimator wall, removed line of site between D30 and cell wall collimator 
| |
| 5302 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.2563 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is DU , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,Installed 3rd collimator wall, D30 has one 1/16" thick lead curtain 
| |
| 5303 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.2563 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is DU , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,Installed 3rd collimator wall, D30 has NO lead curtain 
| |
| 5304 | 11.1 MeV , 2 ns pulse width , 450 mA , 200 Hz , Accelerator side collimator open to 0.2563 cm, Cell side collimator OPEN to 2 cm , radiator 3/4" IN , Target is ~0.5 mm x 7 cm x 4 mm Th , D30 HV changed -1550V, All other detectors at -1700 V, removed pair spectrometer magnet, poly, and stand,Installed 3rd collimator wall, D30 has NO lead curtain, unplugged D225T to observe analog pulse during run , interlock trip ends run early
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