ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
237
|
Wed Apr 20 10:09:50 2022 |
Rodolfo | Laser | Optic with spots | The average energy produced by the laser along
the beamtime was about 10 mJ/puls. After
about two weeks of beamtime some of the optics, |
|
|
236
|
Sat Apr 16 04:19:05 2022 |
Patrick, Simon, Alex, Sarper | Runs | Runs night + morning shifts 16.04. | Runs of the night shift 16.04. after changing
the wavelength range. The new range is 320.12
- 319.859 nm. The step size was decreased |
|
|
235
|
Fri Apr 15 20:43:18 2022 |
Konstantin | Laser | Dye changed | Dye of the laser system has been changed.
UV laser power increased from ~8 mJ to 11
mJ pulse energy. |
|
|
234
|
Fri Apr 15 12:53:25 2022 |
Max, Danyal | Laser | checked laser pulse energy after change in wavelength range | previous scan range:
the laser pulse energy @ 320.62 nm was ~11
mJ
|
|
|
233
|
Fri Apr 15 12:42:18 2022 |
Max, Danyal, Carsten, Konstantin, Patrick, Simon | General | laser wavelength range changed: 320.12 - 319.60 nm |
Runs of the morning/afternoon/night shift.
The wavelength range is now 320.12 - 319.60 |
|
|
232
|
Thu Apr 14 22:44:40 2022 |
Patrick, Simon, Danyal, Max | Runs | Runs night shift 14./15.04. | Runs of the night shift. The wavelength range
is 320.62 - 320.10 nm.
|
|
|
231
|
Thu Apr 14 19:46:46 2022 |
Sarper & Konstantin & Rodolfo | Laser | Laser power | We checked the laser power before starting
the new scan range.
|
|
|
230
|
Thu Apr 14 17:47:55 2022 |
Carsten, Rodolfo, Konstantin, Sarper | Runs | Afternoon shift runs 14.04 changing the wavelength scan range | The new scan range is changed from [B]321.12
- 320.60 nm to 320.62 - 320.10 nm[/B]
|
|
|
229
|
Thu Apr 14 12:38:38 2022 |
Sebastian | Detectors | XUV / Cu checkups | Check regularly if the connection to the XUV
and Cu detectors are still active and the
detectors move in (after injection) and out |
|
|
228
|
Thu Apr 14 12:27:18 2022 |
Sebastian, Max | Detectors | Connection to XUV / Cu reestablished! | The connection to the XUV and Cu were lost
during the nightshift.
|
|
|
227
|
Thu Apr 14 10:57:11 2022 |
Carsten | Accelerator | Maintanence UNILAC / Op training | We had no beam since about 1000. Also, we
are still trying to find out why we have
such a low intensity in the expereimnt.
|
|
|
226
|
Thu Apr 14 08:41:42 2022 |
Carsten | Accelerator | Low intensity at the experiment after series of failures during the night | After the recovery from the failures during
the night, we see much lower intensity at
the experiment (measured with the particle |
|
|
225
|
Thu Apr 14 06:29:18 2022 |
Max, Sebastian | Accelerator | lesser ESR injection intensity | We now have less ESR injection intensity (see
screenshot attached).
|
|
|
224
|
Wed Apr 13 15:41:29 2022 |
Rodolfo & Sarper | Laser | Laser status | We have checked the power of the laser and
optimized it "a bit".
|
|
|
223
|
Wed Apr 13 14:29:04 2022 |
Carsten, Rodolfo, Sarper, David, Pierre-Michel, Max, Sebastian | Runs | Afternoon - morning shift runs 13.+14.04. | Changed the wavelength scan range from [B]321.62
- 321.10 nm[/B] to [B][B]321.12 - 320.60[/B]
nm[/B] after one scan.
|
|
|
222
|
Tue Apr 12 21:56:54 2022 |
Volker, David, Pierre-Michel & Danyal, Alexandre, Sebastian | General | new laser wavelength scan range 321.62 - 321.10 nm | New wavelength scan range is [B]321.62 - 321.10
nm[/B]. Before the new scan range (compare
old scan range in [URL=https://elog.gsi.de/esr/E142/215] |
|
|
221
|
Tue Apr 12 17:01:30 2022 |
Konstantin | Detectors | Voltage PMT North | Voltage of PMT North has been increased from
2500 V to 2600 V. Additionally the threshold
was adapted from 25 mV to 12 mV. |
|
|
220
|
Tue Apr 12 15:05:56 2022 |
Rodolfo | Laser | Laser status | We have checked the laser power at 14:15 *
- Pump energy after Q-Ray @ 532nm: 559 mJ.
|
|
|
219
|
Tue Apr 12 14:52:19 2022 |
Rodolfo | Detectors | PMT Nord, Middle. Datasheets | Attached are the datasheets for the solar-blind
PMTs.
|
|
|
218
|
Tue Apr 12 14:11:52 2022 |
Ragan | Detectors | Sideband in Schottky | > Sometimes we see a broad sideband at lesser
Schottky frequencies to the high-intensity
thorium beam.
|
|