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sonde.json
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sonde.json
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{
"283": {
"elog_id": "283",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/283",
"date": "2018-06-08T14:20:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Problem Report",
"category": "Measurement",
"run": "S12",
"subject": "TOF mode, no collimation, plain, thrs: 50",
"comments": "We tested the limit at which the module stops sending data by gradually opening slit 2 from 1*1cm^2 to bigger and bigger.> We tried to use thrs. 80 and 150 but the problem remains. We also tested with efu not writing to disk, but again the problem was the same.>> While we do not receive any data in TOF mode with the beam wide open we still can ping the detector regardless if beam is open or close.>>> > Once the beam was turned on the detector stopped sending data. Could it be the PMT or the SoNDe module? We do not know.> >> > Attached image shows the grafana monitor of the EFU. The peaks corresponds to points in time where the beam was turned on and off. During beam on, the data transfer> rate> > drops to zero.> >> >> > > The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed. Plain scintillator used from now on.> > >> > > Beam size: 68x68 mm2 (centered on detector)> > >> > > Counting time: 60 s> > >> > > ----- Settings and configuration ---------> > > ------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "TOF",
"SoNDe threshold": "50",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"282": {
"elog_id": "282",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/282",
"date": "2018-06-08T14:06:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S17",
"subject": "ACRO mode, /w mask, thrs: 10",
"comments": "The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed and another HeBoSint (with rectangular slits) was added directly onto the front of thedetector enclosure.Beam size: 68x68 mm2 (centered on detector)Counting time: 30 s----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"281": {
"elog_id": "281",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/281",
"date": "2018-06-08T13:59:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S16",
"subject": "TOF mode, /w mask, thrs: 10",
"comments": "The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed and another HeBoSint (with rectangular slits) was added directly onto the front of thedetector enclosure.Beam size: 68x68 mm2 (centered on detector)Counting time: 30 s----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "TOF",
"SoNDe threshold": "10",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"280": {
"elog_id": "280",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/280",
"date": "2018-06-08T13:57:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S15",
"subject": "TOF mode, /w mask, thrs: 30",
"comments": "The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed and another HeBoSint (with rectangular slits) was added directly onto the front of thedetector enclosure.Beam size: 68x68 mm2 (centered on detector)Counting time: 30 s----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "TOF",
"SoNDe threshold": "30",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"279": {
"elog_id": "279",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/279",
"date": "2018-06-08T13:42:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Problem Report",
"category": "Measurement",
"run": "S12",
"subject": "TOF mode, no collimation, plain, thrs: 50",
"comments": "We tried to use thrs. 80 and 150 but the problem remains. We also tested with efu not writing to disk, but again the problem was the same.While we do not receive any data in TOF mode with the beam wide open we still can ping the detector regardless if beam is open or close.> Once the beam was turned on the detector stopped sending data. Could it be the PMT or the SoNDe module? We do not know.>> Attached image shows the grafana monitor of the EFU. The peaks corresponds to points in time where the beam was turned on and off. During beam on, the data transferrate> drops to zero.>>> > The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed. Plain scintillator used from now on.> >> > Beam size: 68x68 mm2 (centered on detector)> >> > Counting time: 60 s> >> > ----- Settings and configuration ---------> > ------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "TOF",
"SoNDe threshold": "50",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"278": {
"elog_id": "278",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/278",
"date": "2018-06-08T13:34:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Problem Report",
"category": "Measurement",
"run": "S13",
"subject": "ACRO mode, no collimation, plain, thrs: 10",
"comments": "Same as S12:Once the beam was turned on the detector stopped sending data. Could it be the PMT or the SoNDe module? We do not know.Attached image shows the grafana monitor of the EFU. The peaks corresponds to points in time where the beam was turned on and off. During beam on, the data transfer ratedrops to zero.> The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed. Plain scintillator used.>> Beam size: 68x68 mm2 (centered on detector)>> Counting time: 60 s>> ----- Settings and configuration ---------> ------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"277": {
"elog_id": "277",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/277",
"date": "2018-06-08T13:26:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S13",
"subject": "ACRO mode, no collimation, plain, thrs: 10",
"comments": "The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed. Plain scintillator used.Beam size: 68x68 mm2 (centered on detector)Counting time: 60 s----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"276": {
"elog_id": "276",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/276",
"date": "2018-06-08T13:14:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Problem Report",
"category": "Measurement",
"run": "S12",
"subject": "TOF mode, no collimation, plain, thrs: 50",
"comments": "Once the beam was turned on the detector stopped sending data. Could it be the PMT or the SoNDe module? We do not know.Attached image shows the grafana monitor of the EFU. The peaks corresponds to points in time where the beam was turned on and off. During beam on, the data transfer ratedrops to zero.> The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed. Plain scintillator used from now on.>> Beam size: 68x68 mm2 (centered on detector)>> Counting time: 60 s>> ----- Settings and configuration ---------> ------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "TOF",
"SoNDe threshold": "50",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"275": {
"elog_id": "275",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/275",
"date": "2018-06-08T11:13:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S12",
"subject": "TOF mode, no collimation, plain, thrs: 50",
"comments": "The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed. Plain scintillator used from now on.Beam size: 68x68 mm2 (centered on detector)Counting time: 60 s----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "TOF",
"SoNDe threshold": "50",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"274": {
"elog_id": "274",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/274",
"date": "2018-06-08T11:12:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S11",
"subject": "TOF mode, no collimation, pixelated, thrs: 50",
"comments": "The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed. Plain scinitillator switched for pixelated scintillator.Counting time: 60 sBeam size: 68x68 mm2 (centered on detector)----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "TOF",
"SoNDe threshold": "50",
"Evts/package": "250",
"Scintillator": "GS20 (pixelated, polished)",
"Optical coupling": "Dryfit"
},
"273": {
"elog_id": "273",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/273",
"date": "2018-06-08T10:51:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S14",
"subject": "TOF mode, /w mask, thrs: 50",
"comments": "The slits were opened up to maximum, HeBoSint and Mirrobor collimation was removed and another HeBoSint (with rectangular slits) was added directly onto the front of thedetector enclosure.Beam size: 68x68 mm2 (centered on detector)Counting time: 34 s----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "TOF",
"SoNDe threshold": "50",
"Evts/package": "250",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"272": {
"elog_id": "272",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/272",
"date": "2018-06-08T10:44:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S10",
"subject": "Pixelated scintillator scan, 2.0\u00c5",
"comments": "Neutron energy: 2.0\u00c5We changed the GS20 scintillator to the pixelated version. We scanned between the borders of two adjacent 6x6 mm2 scintillator pieces.Stepsize: 0.5 mmCounting time: 30 s----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (pixelated, polished)",
"Optical coupling": "Dryfit"
},
"271": {
"elog_id": "271",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/271",
"date": "2018-06-08T08:55:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S9",
"subject": "Beam through lead, 2.0\u00c5",
"comments": "A lead brick (25 mm thick) as been placed in front of the detector and the beam was scannedvertically from 1mm above center of P19 to 1 mm below center of P27. Distance from lead to scintillator is 15 mm and distance between slit 2 and lead is 72 mm.This data can then directly be compared with the same area which was scanned for runS8 without lead.Stepsize: 0.5 mmCounting time: 40 s----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"270": {
"elog_id": "270",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/270",
"date": "2018-06-07T17:40:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S8",
"subject": "Automated 14x14 mm2 scan (2.0 \u00c5)",
"comments": "Scan with 1mm collimated neutron beam on a 14x14 mm2 pixel.Relative scan area.X: -1 to 13Y: 20 to 34----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"269": {
"elog_id": "269",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/269",
"date": "2018-06-07T16:50:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan14",
"subject": "1mm collimated beam, He-3 scan, 2.0\u00c5",
"comments": "Neutron energy: 2.0\u00c5HoBoSint and Mirrobor have been modified to produce a 1mm collimator.Here we scan across the He-3 tube to find the maximum rate.Maximum intensity found at X=51.25Rate was then measured at this point.Counting time: 120 sBeam monitor: 368'787 counts in 120 sHe-3: 180'037 counts in 120 s"
},
"268": {
"elog_id": "268",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/268",
"date": "2018-06-07T16:34:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "G7",
"subject": "Gamma background, 2.4\u00c5",
"comments": "Using NaI detector.Neutorn wavelength: 2.4\u00c5HV: +800VDistance, beam to NaI: 380 mmMeasurement time: 60s"
},
"267": {
"elog_id": "267",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/267",
"date": "2018-06-07T16:15:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "G6",
"subject": "Gamma background measurement, no beam",
"comments": "Using NaI detector.Beam was turned off for this measurement.HV: +800VDistance, beam to NaI: 380 mmMeasurement time: 60s"
},
"266": {
"elog_id": "266",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/266",
"date": "2018-06-07T16:14:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "G5",
"subject": "Gamma background run, Mirrobor only",
"comments": "Using the NaI detectorHV: +800VNeutron energy: 2.0\u00c5Distance, beam to NaI: 380 mmMeasurement time: 60s"
},
"265": {
"elog_id": "265",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/265",
"date": "2018-06-07T16:01:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan13",
"subject": "Measuring max rate @ 2.0\u00c5",
"comments": "The 3-He detector was placed in the beam (/w 3mm HeBoSint+Mirrobor collimator) in the position of maximum intensity (X=52.5 mm) and a measurement was taken.An MCA spectrum was also taken at this position.Using 3mm mask collimator.Counting time: 120 sBeam monitor: 362'721 counts in 120 sHe-3: 1'211'531 counts in 120 s"
},
"264": {
"elog_id": "264",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/264",
"date": "2018-06-07T15:58:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan12",
"subject": "Finding the max rate @ 2.0\u00c5",
"comments": "The 3-He detector was placed in the beam (/w 3mm HeBoSint+Mirrobor collimator) and scanned in X to find the maximum intensity position of the neutron beam @ 2.0\u00c5.Using 3mm mask collimator.Step size: 0.5 mmCounting time: 2 sMaximum rate was found at X=52.5 mmFile: He_scan12.tdms"
},
"263": {
"elog_id": "263",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/263",
"date": "2018-06-07T15:56:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "G4",
"subject": "Gamma background run, no HeBoSint or Mirrobor",
"comments": "Using the NaI detectorHV: +800VNeutron energy: 2.0\u00c5Distance, beam to NaI: 380 mmMeasurement time: 60s"
},
"262": {
"elog_id": "262",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/262",
"date": "2018-06-07T15:55:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "G3",
"subject": "Gamma background run, HeBoSin only",
"comments": "Using NaI detector.HV: +800VNeutron energy: 2.0\u00c5Distance, beam to NaI: 380 mmMeasurement time: 60s"
},
"261": {
"elog_id": "261",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/261",
"date": "2018-06-07T15:50:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "G1",
"subject": "NaI calibration run, Cs-137",
"comments": "A calibration run for the NaI detector using Cs-137.HV: +800V"
},
"260": {
"elog_id": "260",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/260",
"date": "2018-06-07T15:37:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "G2",
"subject": "Gamma background run, HeBoSin+Mirrobor",
"comments": "With the beam running, a NaI detector was placed perpendicular to the beam, 380 mm from it. The NaI detector was placed with a direct line of sight to the HeBoSint andMirrobor mask we have used for the neutron measurements.The idea is the characterize the total gamma background from both the masks and any other potential sources in the hall.For run G3, we will remove the HeBoSint and Mirrobor mask.See attached photos of setup (the paper on the NaI detector is a calibration source we were using the the time of the photo).HV: +800VMeasurement time: 60s"
},
"259": {
"elog_id": "259",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/259",
"date": "2018-06-07T15:25:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S7",
"subject": "Co-60 gamma test",
"comments": "Similar as previous test (S6) but we changed the source to Co-60 instead.Runtime: 17 minDistance source to scintillator: 4 cm----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"258": {
"elog_id": "258",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/258",
"date": "2018-06-07T15:22:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S6",
"subject": "Cs-137 gamma test",
"comments": "To test the gamma sensitivity of the detector, the beam was turned off and an Cs-137 source was placed in the same position as the beam on the last collimator (see image).Attached is an image of the setup and 2D plot of the accumulated triggers for all 64 pixels. In the plot we can see that the highest gain pixels are have a higher rate, asexpected.Runtime: 17 minDistance source to scintillator: 9.5 cm----- Settings and configuration ---------------------------------------------------Attachment 2 shows a heatmap of the integrated 17 minutes triggers, as shown in daquri.",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"256": {
"elog_id": "256",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/256",
"date": "2018-06-07T14:49:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S5",
"subject": "Central measurement of P19 @ 2.0\u00c5",
"comments": "A central measurement of P19 with 2.0\u00c5 neutrons.Counting time = 30 s----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"255": {
"elog_id": "255",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/255",
"date": "2018-06-07T14:39:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Modification",
"category": "Beam",
"run": "",
"subject": "Beam energy changed to 2.0 \u00c5",
"comments": "We have changed the monochromator so that it now produces a beam of 2.0\u00c5 neutrons.We will then proceed to measure the intensity with a 3-He detector and then perform a central measurement of P19.With these two measurements when then have 3-He and central pixel measurements of both 2.0 and 2.4 \u00c5 neutron energies."
},
"252": {
"elog_id": "252",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/252",
"date": "2018-06-07T14:12:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Problem Fixed",
"category": "Measurement",
"run": "S3",
"subject": "Automatic scan: all pixels, 1 mm step",
"comments": "We have added a safety feature of the scan so the data taking laptop has to say \"ok\" before the scan progresses.We have investigated more what could have caused the issue. It could have been EFUs not being properly closed but it seems more likely now that the module overheated.Restarting themodule after the night scan got things working again.We have added a fan that blows air onto the blackbox that can hopefully lower the temperature of the module some degrees (see images).> The scan ran fine until 3am last night. From that time all datafiles were empty. We think we have identified the issue and are working on an \"OK\" signal going from ourlaptop to the> LabView PC so that the scan doesn't progress until our laptop says it's ready.>> > A millimeter scan across the entire surface of the detector.> > The scan includes a 2 mm border outside of the detector. Scan area 52x52 mm2.> >> > The following parameters are used:> > X_pos = 17.65 mm to 70.65 mm> > Y_pos = 27.65 mm to 81.65 mm> > Stepsize = 1 mm> > Counting time = 15 s> >> > Total number of points to scan: 2704> > Total time: ca 15 h> >> >> > ----- Settings and configuration ---------> > ------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"251": {
"elog_id": "251",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/251",
"date": "2018-06-07T11:14:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S4",
"subject": "Automated 8x8 mm2 scan (2.4 \u00c5)",
"comments": "A 0.5 mm millimeter scan across a 8x8 mm2 surface, centered on the corner of P18, P19, P26 and P27.Neutron energy @ 2.4 \u00c5.The following parameters are used:X_pos = 52.65 mm to 60.65 mmY_pos = 45.65 mm to 53.65 mmStepsize = 0.5 mmCounting time = 15 sTotal number of points to scan: 256Total time: ca 1 h----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"250": {
"elog_id": "250",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/250",
"date": "2018-06-07T10:41:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Problem Report",
"category": "Measurement",
"run": "S3",
"subject": "Automatic scan: all pixels, 1 mm step",
"comments": "The scan ran fine until 3am last night. From that time all datafiles were empty. We think we have identified the issue and are working on an \"OK\" signal going from our laptop to theLabView PC so that the scan doesn't progress until our laptop says it's ready.> A millimeter scan across the entire surface of the detector.> The scan includes a 2 mm border outside of the detector. Scan area 52x52 mm2.>> The following parameters are used:> X_pos = 17.65 mm to 70.65 mm> Y_pos = 27.65 mm to 81.65 mm> Stepsize = 1 mm> Counting time = 15 s>> Total number of points to scan: 2704> Total time: ca 15 h>>> ----- Settings and configuration ---------> ------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"249": {
"elog_id": "249",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/249",
"date": "2018-06-06T18:28:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Shift summary",
"run": "",
"subject": "Summary Wednesday 6/6",
"comments": "Today was a good day. We got the automatedscans working and a mm scan of the fulldetector is running overnight. Data issaved on an external harddrive and on theDMSC server."
},
"248": {
"elog_id": "248",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/248",
"date": "2018-06-06T17:39:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S3",
"subject": "Automatic scan: all pixels, 1 mm step",
"comments": "A millimeter scan across the entire surface of the detector.The scan includes a 2 mm border outside of the detector. Scan area 52x52 mm2.The following parameters are used:X_pos = 17.65 mm to 70.65 mmY_pos = 27.65 mm to 81.65 mmStepsize = 1 mmCounting time = 15 sTotal number of points to scan: 2704Total time: ca 15 h----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"247": {
"elog_id": "247",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/247",
"date": "2018-06-06T16:21:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Problem Report",
"category": "Miscellaneous",
"run": "",
"subject": "Cannot configure sonde from linux",
"comments": "Trying the python script ideasctrl.py that has worked before, now gives this:emil@emil-XPS:~/essdaq/event-formation-unit/utils/sondectrl$ python ideasctrl.py -i 10.10.0.50 -p 50011 -c start_all_ch -t 10Traceback (most recent call last):File \"ideasctrl.py\", line 267, in <module>ctrl = IdeasCtrl(svr_ip_addr, svr_tcp_port, args.v)File \"ideasctrl.py\", line 69, in __init__self.s.connect((ip, port))ConnectionRefusedError: [Errno 111] Connection refusedWe can configure from Windows so it's not a problem, but should be sorted sometime."
},
"246": {
"elog_id": "246",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/246",
"date": "2018-06-06T16:14:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Status",
"category": "Miscellaneous",
"run": "",
"subject": "Python server update",
"comments": "We updated the SimpleServer.py, which listens for the LabVIEW outputs, to reformat the motor positions to relative format.We put (x,y)=(0,0) at bottom left corner of MAPMT (P57). This will greatly reduce the back-and-forth needed to double check motor positions during analysis.Range (mm): X={0;48}, Y={0;48}"
},
"245": {
"elog_id": "245",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/245",
"date": "2018-06-06T16:11:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "S2",
"subject": "Automatic scan: center of all pixels",
"comments": "An automated central scan of all pixels.The following parameters are used:X_pos = 23.65 mm to 65.65 mmY_pos = 34.65 mm to 76.65 mmStepsize = 6 mmCounting time = 20 sTotal number of points to scan: 64Total time: ca 22 min----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"244": {
"elog_id": "244",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/244",
"date": "2018-06-06T15:43:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Problem Report",
"category": "Setup",
"run": "",
"subject": "Blackbox deformed by weight",
"comments": "We noticed that yesterday's alignment was not 1 mm off in the Y direction. The reason is that the black box didn't have any internal support at the back and was squshed alittle by the weight of the lead block we put on top for stability (see attached images).We have moved the lead more to the front, where there is support from the inside of the black box and the new alignment should be stable."
},
"243": {
"elog_id": "243",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/243",
"date": "2018-06-06T15:10:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Status",
"category": "Miscellaneous",
"run": "",
"subject": "Automated scan working",
"comments": "The automated scan is working! Scan parameters for measuring time, starting position and step size for X and Y are set in LabView. When motors are in position, a signal is sent to ourUbuntu laptop, telling it to start measuring and where the motors are. When the scan time is done for that position, a stop signal is sent, the motors move to the next position and theprocess is repeated.Data produced with threshold 10 is about 30GB/h.Video coming :)Attachment 1 shows the scan pattern of a center scan."
},
"242": {
"elog_id": "242",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/242",
"date": "2018-06-06T15:05:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Status",
"category": "Measurement",
"run": "S1",
"subject": "First automated scan",
"comments": "A test-scan at the centers of 3*3 pixels. Attached figure shows the beam at P29.Total number of points to scan: 9Total time: ca 2 min----- Settings and configuration ---------------------------------------------------",
"Time per pos": "10 s",
"Step size": "6 mm",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"241": {
"elog_id": "241",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/241",
"date": "2018-06-06T13:28:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "background_1",
"subject": "Background measurement",
"comments": "Beam was turned off. Table at position X = 52.65, Y = 46.65.Measurement time: 1h 12 min----- Settings and configuration -------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"240": {
"elog_id": "240",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/240",
"date": "2018-06-06T11:02:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Status",
"category": "Beam",
"run": "",
"subject": "Beam up at 10:30 today",
"comments": "No beam in the morning. Now there should be beam non-stop day and night until Friday afternoon."
},
"239": {
"elog_id": "239",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/239",
"date": "2018-06-06T10:03:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "SoNDe_cal_3",
"subject": "SoNDe threshold calibration",
"comments": "In order to establish the threshold the beam was placed on the intersection between four pixels, P55, P56, P63 and P64.Were, P64 has the lowest gain of all pixel for this particular MAPMT. The common threshold was then modified so that the signal in P64 would be readable and would triggerin this \"low-light\" position. The goal is to enable sub-pixel reconstruction of neutron positions based on \"center-of-gravity\" analysis.(See attached image of P64 spectrum, where, left to right, the features most likely corresponds to pedestal, optical cross talk from neutron event and full neutron eventpeak)Final threshold determined at 10, which is about 600 ADC.----- Settings and configuration -------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "5",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"238": {
"elog_id": "238",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/238",
"date": "2018-06-05T18:17:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Status",
"category": "Shift summary",
"run": "",
"subject": "Summary Tuesday 5/6",
"comments": "Heading home from the second day. The beamis now scanned with He-3 tube. The Sondedetector is mounted in the black box andaligned relative to the beam. We can movethe beam with 0.5 mm certainty around thedetector.We talked with Hanno and Mikolai, who ismaintaining the LabVIEW program, andhelped with getting an automated scanworking. We have good hope to get itworking tomorrow so we changed in the runplan - if we haven't scanned automaticallyby Thursday morning we will take themeasurements manually."
},
"237": {
"elog_id": "237",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/237",
"date": "2018-06-05T17:05:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Documentation",
"category": "Miscellaneous",
"run": "",
"subject": "Photos of the setup",
"comments": "Attachment 1: The sonde detector sits at the same distance from the masks as the He-3-tube wasAttachment 2-3: The HeBoSint mask and Mirrobor fixed onto slit 2.Attachment 4-7: Light tightening of the detector.Attachment 8: The masks attached on the He-3 tube."
},
"236": {
"elog_id": "236",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/236",
"date": "2018-06-05T17:02:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Problem Report",
"category": "Setup",
"run": "",
"subject": "Updating to Ubuntu 18",
"comments": "There was some errors building Daquri on the Ubuntu 16.04 laptop we have here. Upgrading to 18.04"
},
"235": {
"elog_id": "235",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/235",
"date": "2018-06-05T17:01:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Problem Report",
"category": "Detector",
"run": "",
"subject": "GS20 scratched",
"comments": "The GS20 that we used for the alpha-scans has a scratch on it. We chose to use one of the new pieces instead."
},
"233": {
"elog_id": "233",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/233",
"date": "2018-06-05T16:32:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Status",
"category": "Measurement",
"run": "",
"subject": "Automatic scan parameters - 8x8 mm2 - dx=0.5 mm",
"comments": "The following parameters have been established for the automatic scan across four pixels:X_pos = 52.65 mm to 60.65 mmY_pos = 45.65 mm to 53.65 mmStepsize = 0.5 mmCounting time = 20 sThis performs a 8x8 mm2 scan centered on the corner of P18, P19, P26 and P27.Total number of points to scan: 256Total time: ca 1 h 40 min----- Settings and configuration ---------------------------------------------------",
"MAPMT": "ZA0250 @ 900 V",
"SoNDe module": "7053-1-008",
"SoNDe acqu_ mode": "ACRO",
"SoNDe threshold": "10",
"Scintillator": "GS20 (plain, polished)",
"Optical coupling": "Dryfit"
},
"232": {
"elog_id": "232",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/232",
"date": "2018-06-05T16:30:00+02:00",
"author": "Nicholai Mauritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "SoNDe_cal_1",
"subject": "Overflow bin found at 940 V",
"comments": "While looking at the highest gain pixel (P33) withMAPMT: ZA0250 with SoNDe module: 7053-1-008,the module put events in the overflow while running at 940 V.See 1st image.We decided to keep the voltage at 900 V, and the position of the neutron peak (P33) is now OK. See 2nd image.Threshold set at 50."
},
"231": {
"elog_id": "231",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/231",
"date": "2018-06-05T16:26:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Status",
"category": "Miscellaneous",
"run": "",
"subject": "Progress on automated scan",
"comments": "Hanno found and edited this Labview-python communication over a TCP/IP socketconnection:"
},
"228": {
"elog_id": "228",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/228",
"date": "2018-06-05T11:43:00+02:00",
"author": "Nicholai Muritzson",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "SoNDe beam alignment",
"subject": "Aligning neutron beam on MAPMT /w SoNDe module",
"comments": "We are aligning the neutron beam on the MAPMT GS20, using \"all channel readout\" mode.First the beam was aligned vertically by picking three groups of o neighboring pixels, with similar gain (Hamamatsu data sheet) and finding thepositions where the neutron signal is divided 50/50 between the two pixels. Same was done for the horizontal alignment.Vertical positions:-Between pixels 16 and 24: X=23.50, Y=43.50-Between pixels 11 and 19: X=53.50, Y=43.90-Between pixels 51 and 59: X=53.50, Y=73.50Average in Y is: 43.65 +- N x 6.00 mm-----------------------------------Horizontal positions:-Between pixels 6 and 7: X=32.80, Y=34.65-Between pixels 38 and 39: X=32.70, Y=59.65-Between pixels 51 and 52: X=50.40, Y=71.65Average in X is: 32.65 +- N x 6.00 mmThe calibrate central position of our \"test pixel\" (P19) is at X=53.65 Y=47.65."
},
"227": {
"elog_id": "227",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/227",
"date": "2018-06-05T09:50:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan11",
"subject": "Count rate He-3, fixed HeBoSint+Mirrobor",
"comments": "Counting through the 3 mm diameter HeBoSint+Mirrobor mask.Beam monitor: 164610 counts in 120 sHe-3: 391861 counts in 120 sFile: He_scan11.tdms"
},
"226": {
"elog_id": "226",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/226",
"date": "2018-06-04T23:15:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan8",
"subject": "Count rate and spectra, 1 mm diameter HeBoSint+Mirrobor",
"comments": "New masks = ~0.5 cm thick HeBoScint + three layers MirroBor. That is thinner than last year's B4C mask that we put together from four ~0.5 cm thickmasks to get 2*2mm2 and 5*5mm2 openings.Going from 3 mm diameter opening to 1 mm diameter opening is going to 1/9 of the area. ~330kcounts @ 3mm with 30kcounts background means we should havemeasured more like 63kcounts with the 1 mm diameter opening. If the angle that the neutrons came into this 1 mm diameter opening was off by just alittle, a lot of neutrons would be blocked. Maybe that's what happened?The useful-neutrons-to-backgorund ratio will be better at 2.0 \u00c5 so if we want to use the smallest collimator, we should use 2.0 \u00c5 neutrons.> This is interesting. Are the new masks thicker? Maybe we should think about this.>> > Moved the 1 mm diameter opening of the HeBoSint mask in front of the beam. Measured 120 sec with the He-3 detector.> > There is more than twice as much background/epithermal neutrons registered through the mask than neutrons going> > through the small 1 mm diameter hole. We have to use the 3 mm diameter hole. With 3 mm diameter hole, only 10%> > of the counts are background/epithermal.> >> > He-3 counts for 120 s: 43766> > Monitor 120 s: 162111> >> >> > Slit 1:20*20mm2> > Slit 2:10*10mm2> > He-3 in JCPE5 shield block.> > HeBoScint 1 mm diameter mask + 3 layers of Mirrobor."
},
"225": {
"elog_id": "225",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/225",
"date": "2018-06-04T16:23:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Status",
"category": "Beam",
"run": "",
"subject": "Beam closing at 16:18",
"comments": "Leaving for today as the reactor is going down."
},
"224": {
"elog_id": "224",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/224",
"date": "2018-06-04T15:58:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan10",
"subject": "Y scan, fixed 3mm diameter HeBoSint+Mirrobor",
"comments": "Whoops. We forgot we need to rotate the He3-tube 90 degrees to do a Y-scan now that we don't have our mask on it.Beam down. Will perform Y-scan tomorrow in mm steps.Rotating the He-3 tube means our old Y=87 peak position is now Y=115. Scan around 100-130 in Y.Update Tuesday 5/6:Scanned in Y. Beam looks good. Data in He_scan10.tdms"
},
"223": {
"elog_id": "223",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/223",
"date": "2018-06-04T15:52:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan9",
"subject": "X scan, fixed 3mm diameter HeBoSint+Mirrobor",
"comments": "We mounted the HeBoSint+Mirrobor mask on the slits and let the He-3 tube scan in X.The scan was repeated with 1 mm steps around the peak. It is now more around X=19 than X=18 (1mm difference).The scan was repeated with 0.5 mm steps around the peak. Motor positions are in180604_transmission_scan_1mm.tdms from row 49."
},
"222": {
"elog_id": "222",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/222",
"date": "2018-06-04T15:02:00+02:00",
"author": "Kevin Fissum",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan8",
"subject": "Count rate and spectra, 1 mm diameter HeBoSint+Mirrobor",
"comments": "This is interesting. Are the new masks thicker? Maybe we should think about this.> Moved the 1 mm diameter opening of the HeBoSint mask in front of the beam. Measured 120 sec with the He-3 detector.> There is more than twice as much background/epithermal neutrons registered through the mask than neutrons going> through the small 1 mm diameter hole. We have to use the 3 mm diameter hole. With 3 mm diameter hole, only 10%> of the counts are background/epithermal.>> He-3 counts for 120 s: 43766> Monitor 120 s: 162111>>> Slit 1:20*20mm2> Slit 2:10*10mm2> He-3 in JCPE5 shield block.> HeBoScint 1 mm diameter mask + 3 layers of Mirrobor."
},
"221": {
"elog_id": "221",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/221",
"date": "2018-06-04T14:45:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan8",
"subject": "Count rate and spectra, 1 mm diameter HeBoSint+Mirrobor",
"comments": "Moved the 1 mm diameter opening of the HeBoSint mask in front of the beam. Measured 120 sec with the He-3 detector.There is more than twice as much background/epithermal neutrons registered through the mask than neutrons goingthrough the small 1 mm diameter hole. We have to use the 3 mm diameter hole. With 3 mm diameter hole, only 10%of the counts are background/epithermal.He-3 counts for 120 s: 43766Monitor 120 s: 162111Slit 1:20*20mm2Slit 2:10*10mm2He-3 in JCPE5 shield block.HeBoScint 1 mm diameter mask + 3 layers of Mirrobor."
},
"220": {
"elog_id": "220",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/220",
"date": "2018-06-04T14:23:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan7",
"subject": "Count rate and spectra, full mask HeBoSint+Mirrobor",
"comments": "Moved so there is no opening in the mask. Measured 120 sec with the He-3 detector.He-3 counts for 120 s: 29766Monitor 120 s: 161548Slit 1:20*20mm2Slit 2:10*10mm2He-3 in JCPE5 shield block.HeBoScint mask with 3 mm diameter hole + 3 layers of Mirrobor. No open hole in the mask."
},
"219": {
"elog_id": "219",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/219",
"date": "2018-06-04T14:11:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan6",
"subject": "Count rate and spectra, 3mm diameter HeBoSint",
"comments": "Measured 120 sec with the beam through 3mm diameter HeBoSint into the He-3 detector.He-3 counts for 120 s: 332157Monitor 120 s: 161804Slit 1:20*20mm2Slit 2:10*10mm2He-3 in JCPE5 shield block.HeBoScint mask, 3mm diameter hole open and 3 layers mirrobor covering the rest of the mask. The hole in themirrobor is 10*10mm2."
},
"218": {
"elog_id": "218",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/218",
"date": "2018-06-04T14:05:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan5",
"subject": "Scanning X with He-3, Y=95, closed slits"
},
"217": {
"elog_id": "217",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/217",
"date": "2018-06-04T13:57:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan4",
"subject": "Scanning Y with He-3, X=20, slits closed",
"comments": "We closed the slits a bit and scanned Y at the peak of the previous X scan (X=20). The peak moved in Y to around95 instead of previous 100.Slit 1: 20*20mm2Slit 2: 10*10mm2He-3 in JCPE5 shield block.HeBoScint mask, 3mm diameter hole open and 3 layers mirrobor covering the rest of the mask. The hole in themirrobor is 10*10mm2."
},
"216": {
"elog_id": "216",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/216",
"date": "2018-06-04T13:51:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Documentation",
"category": "Miscellaneous",
"run": "",
"subject": "Labview version",
"comments": "It's version 15.0\"TCP server inactive\""
},
"215": {
"elog_id": "215",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/215",
"date": "2018-06-04T13:46:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan3",
"subject": "Scanning Y with He-3, X=20",
"comments": "We scan Y at the peak of the previous X scan (X=20). The peak has the same shape as at X=0.Slit 1 and 2 open 7 cm.He-3 in JCPE5 shield block.HeBoScint mask, 3mm diameter hole open and 3 layers mirrobor covering the rest of the mask. The hole in themirrobor is 10*10mm2."
},
"214": {
"elog_id": "214",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/214",
"date": "2018-06-04T13:28:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan2",
"subject": "Scanning X with He-3, Y=100",
"comments": "We scan X at the peak of the previous Y scan.Slit 1 and 2 open 7 cm.He-3 in JCPE5 shield block.HeBoScint mask, 3mm diameter hole open and 3 layers mirrobor covering the rest of the mask. The hole in the mirrobor is 10*10mm2."
},
"213": {
"elog_id": "213",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/213",
"date": "2018-06-04T13:13:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "He_scan1",
"subject": "Scanning Y with He-3",
"comments": "Slit 1 and 2 open 7 cm.He-3 in JCPE5 shield block.HeBoScint mask, 3mm diameter hole open and 3 layers mirrobor covering the rest of the mask. The hole in the mirrobor is 10*10mm2."
},
"212": {
"elog_id": "212",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/212",
"date": "2018-06-04T11:39:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Documentation",
"category": "Setup",
"run": "",
"subject": "He3 information",
"comments": "H.V Power supply Model 3106D @+1.30 kVThe count rate is fed into Labview that has a scanning function in Y or X.The He/3 tube sits in a shild of JCPE5. It is a 5% boron loaded polyethylene neutron shield."
},
"211": {
"elog_id": "211",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/211",
"date": "2018-06-04T11:19:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "Camera3",
"subject": "Mask to find orientation",
"comments": "Using the mask we found that the neutron camera image was flipped vertically."
},
"210": {
"elog_id": "210",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/210",
"date": "2018-06-04T10:58:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Start/Stop",
"category": "Measurement",
"run": "Camera2",
"subject": "Neutron Camera @ 2.4 \u00c5",
"comments": "Monochromator set to 2.4\u00c5.Intensity is lower here.First image is taken with same settings as run camera1. Second image is adjusted to \"slow/high\" setting 9 andslightly lower gain to compensate for the lower intensity."
},
"209": {
"elog_id": "209",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/209",
"date": "2018-06-04T10:46:00+02:00",
"author": "Emil Rofors",
"beamline": "IFE R2D2",
"type": "Documentation",
"category": "Miscellaneous",
"run": "",
"subject": "Spreadsheet link",
"comments": "Details of this week's settings will be posted here:"
},
"208": {
"elog_id": "208",
"elog_url": "https://stf02.nuclear.lu.se/SoNDe+Testbeams/208",