| ID |
Date |
Author |
Category |
Subject |
Text |
 |
|
163
|
Mon Apr 6 05:28:55 2020 |
Ragan, Laszlo, Nikos | Runs | Zero hour measurement (S2: 0/35 mm and S6: -20/7 mm) | beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 0 hr
|
|
|
164
|
Mon Apr 6 05:43:50 2020 |
Ragan, Laszlo, Nikos | Runs | One and a half hour measurement (S2: 0/35 mm and S6: -20/7 mm) | beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 1.5 hr
|
|
|
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 |
|
|
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
|
|
|
148
|
Sat Apr 4 17:32:01 2020 |
Ragan, Alex, Esther | General | No beam in ESR | The beam is coming from SIS but doesn't arrive
in ESR because the quadrupole magnets in
ESR have failed.
|
|
|
149
|
Sat Apr 4 18:29:44 2020 |
Ragan, Alex, Esther | Runs | 0 hour measurement (S2: 0/35 mm and S6: -20/7 mm) | beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 0 hr
|
|
|
150
|
Sat Apr 4 18:57:49 2020 |
Ragan, Alex, Esther | General | Timing problem with SIS & ESR and problems with stacking | There are further problems with beam stacking
in ESR. It works occasionally but keeps failing.
There is also timing problem between SIS |
|
|
151
|
Sat Apr 4 19:55:37 2020 |
Ragan, Alex, Esther | Runs | Failed measurement...Ten hour measurement (S2: 0/35 mm and S6: -20/7 mm) | FAILED - measurement was stopped by sudden
loss of the beam
|
|
|
158
|
Sun Apr 5 15:28:35 2020 |
Ragan, Alex, Esther | Runs | Four hour measurement (S2: 0/35 mm and S6: -20/7 mm) | beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 4 hr
|
7x |
|
159
|
Sun Apr 5 20:23:02 2020 |
Ragan, Alex, Esther | Runs | Half-hour measurement (S2: 0/35 mm and S6: -20/7 mm) | beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 0.5 hr
|
7x |
|
160
|
Sun Apr 5 21:50:02 2020 |
Ragan, Alex, Esther | Runs | Half-hour measurement (S2: 0/35 mm and S6: -20/7 mm) | beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 0.5 hr
|
7x |
|
161
|
Sun Apr 5 23:28:01 2020 |
Ragan, Alex, Esther | Runs | One-hour measurement (S2: 0/35 mm and S6: -20/7 mm) | beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 1 hr
|
7x |
|
18
|
Thu Mar 26 17:21:40 2020 |
Ragan | General | Stochastic cooling | 1) From SIS, 206Pb67+ @401.17 MeV/u goes to
FRS where only SEETRAM is placed in the target
area to strip off 206Pb67+ to get 206Pb81+.
|
|
|
19
|
Fri Mar 27 13:02:07 2020 |
Ragan | General | Stochastic cooling | 1) ESR team is successful with the Stochstic
cooling of primary H-like 206Pb81+ beam @400
MeV/u.
|
|
|
20
|
Fri Mar 27 13:04:17 2020 |
Ragan | General | FRS Settings until now | Yuri and Helmut have been extensively involved
in tuning and optimizing of the FRS.
|
|
|
21
|
Fri Mar 27 13:40:54 2020 |
Ragan | General | NTCap start and shutdown information | The attachment contains information on how
to start and shutdown NTCap and bridge computer. |
|
|
22
|
Fri Mar 27 19:51:37 2020 |
Ragan | General | ESR Machine | By changing the tune to Qx=2.33, Qy=2.36 the
momentum acceptance was significantly improved.
A variation of the cooler voltage of 10300 |
|
|
23
|
Fri Mar 27 19:59:09 2020 |
Ragan | General | Beam stacking in ESR is achieved | Thanks to Sergey and Markus, stacking of primary
H-like 206Pb81+ beam in ESR is achieved.
|
|
|
24
|
Fri Mar 27 20:05:43 2020 |
Ragan | General | H2 gas jet ready | Thanks to Nikos, stable H2 gas jet target
with 10^14 particles/cm^3 is ready.
(More information can be found on: https://ulpc24.gsi.de/cgi-bin/jet.py?gasart=Helium |
|
|
25
|
Fri Mar 27 20:52:31 2020 |
Ragan | General | Plans for the measurement with 206Pb81+ | We plan to measure:
1. Lifetime of H-like 206Pb81+ beam with |
|