09-07-2016: Difference between revisions

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|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'''  [[File:Rate2nC_5296.png|40px]]
|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'''  [[File:Rate2nC_5296.png|40px]]
|-
|-
|5297 || || 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  [[File:Rate2nC_5297.png|40px]], 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'''
|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''',[[File:Rate2nC_5297.png|40px]]
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|5298 || || 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  [[File:Rate2nC_5297.png|40px]], D30 HV changed -1550V, All other detectors at -1700 V, '''removed pair spectrometer magnet, poly, and stand'''
|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''',[[File:Rate2nC_5298.png|40px]]
|-
|-
|5299 || || 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'''  [[File:Rate2nC_5297.png|40px]], 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,[[File:Rate2nC_5299.png|40px]]
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|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,[[File:Rate2nC_5300.png|40px]]
|-
|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 [[File:Rate2nC_5301.png|40px]]
|-
|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 [[File:Rate2nC_5302.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 , interlock trip ends run early[[File:Rate2nC_5304.png|40px]]
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|-
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|}


=Study forward detector gamma flas with Pb curtains=
 
=Thorium strip, collimator squeeze down.=
[[2nCor_44#Run_Plan]]
=No target run=
=Determine how many fissions per pulse.=
=run 1 mg HEU to see (probably miserable) rates=
=Exploratory measurements with 47% HEU.=
= CFD studies=
=P.S. sweep magnet in/out=
= Long run on Thorium=
= Long run on 1 mg HEU=

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


2nCor_44#Run_Plan

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