| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
104
|
Mon Mar 30 23:30:35 2020 |
Jan | Analysis | run251 - Si-pad performance & status | Attached are plots for Si-pad 2 with hits
from ionization of 206Pb81+ at the target.
The plots are representative for all Si-pads, |
7x |
|
105
|
Tue Mar 31 00:47:18 2020 |
Yuri | Runs | S2 slits 0/+35 mm, target bump +13 mm | Run start: 0276.lmd |
|
|
106
|
Tue Mar 31 15:30:43 2020 |
ruijiu | Analysis | The beam position on DSSD with different conditions on on the dEE spectrum | I analyzed the first measurement with 206Pb81+
beam, run 250-267. |
6x |
|
107
|
Tue Mar 31 20:32:05 2020 |
Ragan | General | 203Tl80+ 200Hg79+ 205Tl81+ | Below in the schottky spectrum, on left is
203Tl80+ contamination, in middel is 200Hg79+
contamination and on right most is 205Tl81+.
|
|
|
108
|
Tue Mar 31 20:50:05 2020 |
Ragan | General | 200Hg79+ 205Tl81+ | 203Tl80+ impurity is removed by moving scrapper
inside ESR.
Only 220Hg79+ is left now |
|
|
109
|
Tue Mar 31 21:07:05 2020 |
Ragan | General | Separation of 203Tl80+ and 200Hg79+ using scrapper in ESR | It can be seen in the video how 203Tl80+ (on
extreme left) and then 200Hg79+ (in middle
originally) is separted from 205Tl81+ by |
|
|
110
|
Tue Mar 31 23:31:41 2020 |
Shahab | Runs | alpha_p calibration | Vc = 212849.9349
Ic = 0.2
|
|
|
111
|
Wed Apr 1 01:02:24 2020 |
ruijiu | Detectors | the detector cable is disconnected. | |
|
|
112
|
Wed Apr 1 01:05:36 2020 |
ruijiu | Detectors | detector position fixed at 60 mm | The detector cable was disconnected . We entered
and reconnected the cable. |
|
|
113
|
Thu Apr 2 02:36:48 2020 |
Ragan | General | Stochastic cooling and orbit problem | On 1 April by 5 pm, we could stop the stochastic
cooling after the stacking process and also
change the orbit of the Tl beam to centre. |
|
|
114
|
Thu Apr 2 02:38:32 2020 |
Ragan, Yuri, Sergey, Esther, Oliver | Runs | First measurement with zero storage time | beam: 205Tl81+ (with no scraping)
energy: 400 MeV/u
storage time: zero
|
|
|
115
|
Thu Apr 2 02:46:57 2020 |
Ragan, Yuri, Sergey, Esther, Oliver | Runs | Measurement with 2 hrs storage time |
|
|
|
116
|
Thu Apr 2 05:00:44 2020 |
Ragan, Esther, Oliver | Runs | Second measurement with 2 hrs storage time | Electron cooler was off here. Thus, this measurement
is not what we needed.
(in the picture below, it can be seen that |
|
|
117
|
Thu Apr 2 06:25:13 2020 |
Ragan | Runs | Template | beam: 205Tl81+ (no scraping)
energy: 400 MeV/u
storage time: ___ hrs
|
|
|
118
|
Thu Apr 2 07:01:32 2020 |
Ragan, Esther, Oliver | Runs | Measurement with 4 hrs storage time | beam: 205Tl81+ (no scraping)
energy: 400 MeV/u
storage time: 4 hrs
|
|
|
119
|
Thu Apr 2 09:21:19 2020 |
Ruijiu | Runs | 2nd measurement with 2 hrs storage time (repeat) | Because the electron cooler was not switched
on during beam accumulation in the previous
measurement, we repeat this measurement again.
|
|
|
120
|
Thu Apr 2 12:52:25 2020 |
ruijiu | General | setup FRS with 2 g/cm2 degrader. | Yuri sets up FRS with 2 g/cm2 degrader (previous
one is 1 g/cm2). The ESR is not changed.
The contamination should be less now. |
|
|
121
|
Thu Apr 2 15:24:15 2020 |
Ragan | General | How to know whether electron cooling is working | For Alle and Kuehler the bottom left status
should look like as shown in pictures below. |
|
|
122
|
Thu Apr 2 21:03:40 2020 |
Ragan, Yuri, Sergey, Nikos | Runs | Zero hour measurement (S2:-10/35 mm) | beam: 205Tl81+ (no scraping, Al ~1g/cm2)
energy: 400 MeV/u
storage time: zero hrs
|
|
|
123
|
Thu Apr 2 21:10:57 2020 |
Ragan, Yuri, Sergey, Nikos | Runs | One hour measurement (S2:-10/35 mm) | beam: 205Tl81+ (no scraping, Al ~1g/cm2)
energy: 400 MeV/u
storage time: 1 hrs
|
|