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| Nuclear hyperfine mixing in 229Th89+ |
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Message ID: 170
Entry time: Fri Apr 8 17:57:45 2022
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| Author: |
Konstantin |
| Category: |
DAQ |
| Subject: |
Laser scanning |
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Time | SIS-intensity | cooler-HV | LMD-DAQ1 (R4L-68) | LMD-DAQ2 (R4L-41) | scan range (nm) | step width(nm) | dwell time(s) | comments
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17:28 | 1.1e9 | - | 0083 | 7822 | 322.3-321.3 | 0.01 | 4 | Wrong scan range
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17:48 | 1.4e9 | 209618 | 0084 | 7823 | 322.3-321.3 | 0.01 | 4 | Wrong scan range
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18:10 | 1.6e9 | - | 0085 | 7824 | 323.2-321.2 | 0.01 | 4 | acquisition on r4l-68 crashed
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18:13 | 2e9 | - | 0086 | - | 323.2-321.2 | 0.01 | 4 | acquisition on r4l-41 crashed
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18:29 | 1.9e9 | 209618 | 0087 | 7826 | 323.2-321.2 | 0.01 | 4 | An artifact is observed at about 644nm <-> 322nm fundamental wavelength
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20:17 | 2e9 | 209609 | 0089 | 7827 | 323.2-321.2 | 0.01 | 4 | Cu-mirror and XUV detector are not driven at the moment. It is unclear for how long this was the case. Optimization of the accelerator settings were done before.
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21:12 | 1.6e9 | - | 0089 | 7828 | 323.2-321.2 | 0.01 | 4 | Laser got wrong pulse widths during this scan and also during the last one.
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At about 20:00 the slits were adjusted to the h=1 settings:
NI: 5mm
NA: -3mm
SA: -10mm (also the voltage for the Scitnilator in this pocket was increased to 1500V)
SA_Scraper: +14mm |
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