 Mon Mar 30 04:30:17 2020, Sergiy, Dima, Runs, Second measurement with 206Pb81+ beam at I_cooler = 200 mA
|
I_cooler = 200 mA
beam: 206Pb81+
energy: 400 MeV/u
purpose: data for the measurement of half life of 206Pb81+ due to its interaction with electron cooler and residual gas
Detector position (CsISiPHOS): 60 mm
Detector position (MWPC): -10 mm
run start at 02:24 , run file: run0267.lmd (0266.lmd is garbage file)
file running: 0267.lmd
_______________________________________________________________________________
time: 04:30
I_cooler = 176 mA
ESR particles: 2.5E6
NTCAp file:
SC_2020-03-30_02-27-10
IQ_2020-03-30_02-27-10
(saved in drive: p)
copy and repeat the above (below the line) every 30 minutes |
Thu Feb 27 14:04:12 2020, Ruijiu Chen, Detectors, Remote control of HV module 
|
Be careful. The voltage value on user interface is 10 times of real value. e.g. if the real value is 32V, the voltage value on UI has to be 320V.
 |
|
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.
(In the picture below, it can be seen that the beam cooled. On right most is the Tl beam and rest are the contaminants.)
beam: 205Tl81+ (no scraping)
energy: 400 MeV/u
storage time: 2 hrs
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): mm
run start at 08:46 , first file: run290.lmd
file running: run290.lmd
time when accumulation starts: 09:06
time when storage starts: 09:16
time when storage ends: 10:59
I_cooler during storage time: 10 mA
I_cooler = __ mA
I_SIS: 1.7e9
ESR particles after stacking: 1e6
Number of stacking: 20
Target ON density: 3.9e12 atoms/cm2
Target on time: 11:00
Target off time: 11:10
Target on time for measurement: 10
mins (by local mode)
NTCAp file:
SC_2020-04-02_07-10-40
\IQ_2020-04-02_07-11-48
IQ rate: 8 MS/s
(saved in drive : p)
copy and repeat the above (below the
line) for every storage time
measurement |
|
Wed Aug 5 17:19:16 2020, Rui-Jiu Chen, Analysis, Data structure
|
|
|
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
S2:-10/35 mm
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): -60 mm
run start at 19:05 , first file: run0292.lmd (File was started when stacking was ongoing. Maybe not all the stackings could be sen in the analysis.)
file running: 0292.lmd
_______________________________________________________________________________
time when accumulation starts: --
time when storage starts: 19:10
time when storage ends: 19:10
I_cooler during storage time: --
I_cooler = 177 mA
I_SIS: 2.2e9
ESR particles after stacking: 3.5e6 (offset 1e5)
Number of stackings: ~40 (can be checked on NTCap data)
Target ON density: 3.45e12
Target on time for measurement: 10 mins (by event mode)
NTCAp file:
SC_2020-04-02_19-10-21
\IQ_2020-04-02_19-10-14
IQ rate: 8 MS/s
(saved in drive : p)
copy and repeat the above (below the line) for every storage time measurement |
|
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
S2:-10/35 mm
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): -60 mm
run start at 19:05 , first file: run0292.lmd
file running: 0293.lmd
_______________________________________________________________________________
time when accumulation starts: 19:23
time when storage starts: 19:36
time when storage ends: 20:36
I_cooler during storage time: -1 mA
I_cooler = 177 mA
I_SIS: 2.2e9
ESR particles after stacking: 2.6e6 (offset 1e5)
Number of stackings: 30
Target ON density: 3.44e12
Target on time for measurement: 10 mins (by event mode)
NTCAp file:
SC_2020-04-02_19-10-21
\IQ_2020-04-02_19-10-14
IQ rate: 8 MS/s
(saved in drive : p)
copy and repeat the above (below the line) for every storage time measurement |
|
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
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): mm
run start at 01:48 , first file: run0287.lmd
run stop at xx:xx , last file: run0xxx.lmd
_______________________________________________________________________________
time: 1:48
I_cooler = mA
ESR particles after stacking:
Number of stackings: 20
Target ON density: 4.3e12
Target on time: 01:54:34
Target off time: 02:04:34
Target on time for measurement: 10 mins (by local mode)
NTCAp file:
SC_2020-04-01_16-36-43/0000xxx.iq.tdms
\IQ_2020-04-01_16-36-43/0000xxx.iq.tdms
IQ rate: 8 MS/s
(saved in drive : o)
copy and repeat the above (below the line) for every storage time measurement |
|
Thu Apr 2 02:46:57 2020, Ragan, Yuri, Sergey, Esther, Oliver, Runs, Measurement with 2 hrs storage time
|
beam: 205Tl81+ (no scraping)
energy: 400 MeV/u
storage time: 2 hrs
(In the picture below, it can be seen that the beam cooled. On right most is the Tl beam and rest are the contaminants.)
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): mm
run start at 01:48 , first file: run0287.lmd
file running: 0287.lmd
______________________________________________________
_________________________
time when accumulation starts: 02:08
time when storage starts: 02:21
time when storage ends: 04:21
I_cooler during storage time: 10 mA
I_cooler = mA
ESR particles after stacking:
Number of stackings: 20
Target ON density: 3.9e12
Target on time: 04:22:40
Target off time: 04:32:40
Target on time for measurement: 10 mins (by local mode)
NTCAp file:
SC_2020-04-01_16-36-43/0000xxx.iq.tdms
\IQ_2020-04-01_16-36-43/0000xxx.iq.tdms
IQ rate: 8 MS/s
(saved in drive : o)
copy and repeat the above (below the line) for every storage time
measurement |
|
Mon Apr 6 08:37:02 2020, Ragan, Shahab, Pierre-Michel, Runs, 10 hour measurement (S2: 0/35 mm and S6: -20/7 mm) 8x
|
beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 10 hr
S2: 0/35 mm
s6: -20/7
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): -60 mm
run start at 20:21, run0540.lmd
file running: 0558.lmd
_______________________________________________________________________________
time when accumulation starts: 08:21
time when storage starts: 09:27
time when storage ends: 19:27
I_cooler during storage time: -1 mA (20 mA)
I_cooler = 180 mA
I_SIS: 1.8e9
ESR particles after stacking: 3.1e6 (offset 4e5)
Number of stackings: 200
Target ON density: 4.15e12
Target on time for measurement: 10 mins (by event mode)
time spend at manipulation 13 : 10 mins
(i.e. time for which electron cooler is on after gas jet)
I_ESR (10:34): 2.78e6
I_ESR (11:07): 2.53e6
I_ESR (12:07): 2.2e6
I_ESR (13:43): 1.7e6
I_ESR (14:00): 1.6E6
I_ESR (14:43): 1.5e6
I_ESR (15:24): 1.43e6
I_ESR (16:19): 1.3e6
I_ESR (17:03): I.IIIeVI
I_ESR (18:20): 1.15e6 (frozen screen)
I_ESR (18:50): 9.5e5
I_ESR (19:27): 8.5e5
NTCAp file:
SC_2020-04-06_00-59-46
\IQ_2020-04-06_00-59-38
IQ rate: 8 MS/s
(saved in drive : O)
copy and repeat the above (below the line) for every storage time measurement/ |
|
Sat Apr 4 15:59:16 2020, Ragan, Shahab, Alex, Esther, Runs, 0.5 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
S2: 0/35 mm
s6: -20/7
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): -60 mm
run start at 22:11, run0308.lmd
file running: 0324.lmd
_______________________________________________________________________________
time when accumulation starts: 15:35
time when storage starts: 16:05
time when storage ends: 16:35
I_cooler during storage time: -1 mA
I_cooler = 177 mA
I_SIS: 1.25e9
ESR particles after stacking: 1.8e6 (offset 3.6e5)
Number of stackings: ~80
Target ON density: 4.08e12
Target on time for measurement: 10 mins (by event mode)
time spend at manipulation 13 : 3 mins
(i.e. time for which electron cooler is on after gas jet)
NTCAp file:
SC_2020-04-03_22-12-50
\IQ_2020-04-03_22-13-48
IQ rate: 8 MS/s
(saved in drive : O)
copy and repeat the above (below the line) for every storage time measurement |
|
Sat Apr 4 10:32:16 2020, Ragan, Shahab, Runs, Five hour measurement (S2: 0/35 mm and S6: -20/7 mm)
|
beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 5 hr
S2: 0/35 mm
s6: -20/7
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): -60 mm
run start at 22:11, run0308.lmd
file running: 0313.lmd
_______________________________________________________________________________
time when accumulation starts: 09:47
time when storage starts: 10:19
time when storage ends: 15:19
I_cooler during storage time: -1 mA
I_cooler = 177 mA
I_SIS: 1.75e9
ESR particles after stacking: 2e6 (offset 5e5)
Number of stackings: ~70 (was set to 80 but we missed few shots)
Target ON density: 3.91e12
Target on time for measurement: 10 mins (by event mode)
time spend at manipulation 13 : 5 mins
(i.e. time for which electron cooler is on after gas jet)
I_ESR (10:30) : 1.95e6
I_ESR (11:00) : -
I_ESR (11:37) : 1.7e6
I_ESR (12:00) : -
I_ESR (12:30) : -
I_ESR (13:00) : -
I_ESR (13:37) : 1.37e6
I_ESR (14:07) : 1.28e6
I_ESR (14:30) : -
I_ESR (15:00) : 1.20e6
NTCAp file:
SC_2020-04-03_22-12-50
\IQ_2020-04-03_22-13-48
IQ rate: 8 MS/s
(saved in drive : O)
copy and repeat the above (below the line) for every storage time measurement |
|
Sun Apr 5 10:31:08 2020, Ragan, Shahab, Runs, Two hour measurement (S2: 0/35 mm and S6: -20/7 mm)
|
beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: hr
S2: 0/35 mm
s6: -20/7
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): -60 mm
run start at 19:02, run0343.lmd
file running: 0466.lmd
_______________________________________________________________________________
time when accumulation starts: 09:52
time when storage starts: 10:30
time when storage ends: 12:30
I_cooler during storage time: -1 mA
I_cooler = -1 mA (20 mA)
I_SIS: 1.8e9
ESR particles after stacking: 2.2e6 (offset 5e5)
Number of stackings: 100
Target ON density: 4.16e12
Target on time for measurement: 10 mins (by event mode)
time spend at manipulation 13 : 3 mins
(i.e. time for which electron cooler is on after gas jet)
I_ESR (11:30) : 1.8e6
I_ESR (12:00) :
I_ESR (12:10) : 1.7e6
I_ESR (12:30) : 1.62e6
NTCAp file:
SC_2020-04-04_19-04-52
\IQ_2020-04-04_19-04-52
IQ rate: 8 MS/s
(saved in drive : O)
copy and repeat the above (below the line) for every storage time measurement |
|
Sun Apr 5 13:05:43 2020, Ragan, Shahab, Runs, Zero 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
S2: 0/35 mm
s6: -20/7
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): -60 mm
run start at 19:02, run0343.lmd
file running: 0511.lmd
_______________________________________________________________________________
time when accumulation starts: 12:59
storage time at Manipulation 9 starts at: 13:
storage time at Manipulation 9 stops at: 14:
I cooler during storage at Manipulation 9: -1 mA (20 mA)
time spend at manipulation 13 : 5 mins
(i.e. time for which electron cooler is on after gas jet)
I_cooler = -1 mA (20 mA)
I_SIS: 1.8e9
ESR particles after stacking: e6 (offset 5e5)
Number of stackings: 100
Target ON density at SC 7 E 07: 4.11e12
Target on time for measurement: 10 mins (by event mode)
Target ON density at SC 12 E 12: 4.11e12
Target on time for measurement: 5 sec (by event mode)
NTCAp file:
SC_2020-04-04_19-04-52
\IQ_2020-04-04_19-04-52
IQ rate: 8 MS/s
(saved in drive : O)
copy and repeat the above (below the line) for every storage time measurement |
|
Sat Mar 28 11:07:49 2020, Ragan, RuiJiu, Tino, , General, Nikos is changing gas jet target
|
The gas jet target is now being changed from H2 to Ar by Nikos. |
|
Sat Mar 28 11:00:14 2020, Ragan, RuiJiu, Mei, Yuri, Tino, Detectors, Movement of detector
|
10:51 am the CsISiPHOS is moved to 65 mm from 60 mm.The spot on the DSSSD is changed by 5 mm which confirms the hit of the beam.
11:05
Detector is moved back to 60 mm. |
|
Sat Mar 28 11:20:10 2020, Ragan, RuiJiu, Mei, Yuri, Tino, General, Reducing beam intensity in ESR
|
Yuri reduces beam intensity in the ESR to reduce the countrate on the detectors. |
|
Sat Mar 28 11:28:11 2020, Ragan, RuiJiu, Mei, Yuri, Tino, General, ESR open
|
ESR is open now |
|
Sat Mar 28 14:19:24 2020, Ragan, RuiJiu, Mei, Yuri, General, Instructions to change the electron cooler current
|
Attached are the instructions on how to change the electron cooler current for the lifetime measurements of 206Pb81+ beam (interaction with residual gas and electron cooler). |
|
Sat Apr 4 23:44:22 2020, Ragan, RuiJiu, Laszlo, Runs, Ten hour measurement (S2: 0/35 mm and S6: -20/7 mm)
|
beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 10 hr
S2: 0/35 mm
s6: -20/7
purpose: data with TARGET ON
Detector position (CsISiPHOS): out of the ring
Detector position (MWPC): -60 mm
run start at 19:02, run0343.lmd
file running: 0366.lmd
_______________________________________________________________________________
time when accumulation starts: 22:43
time when storage starts: 23:23
time when storage ends: 09:23
I_cooler during storage time: -1 mA
I_cooler = mA
I_SIS: 1.8e9
ESR particles after stacking: 2.2e6 (offset 5e5)
Number of stackings: 100
Target ON density: 4.24e12
Target on time for measurement: 10 mins (by event mode)
time spend at manipulation 13 : 6 mins
(i.e. time for which electron cooler is on after gas jet)
I_ESR (00:06) : 1,98e6
I_ESR (00:30) : 1.95e6
I_ESR (01:00) : 1.8e6
I_ESR (01:30) : 1.65e6
I_ESR (02:00) : 1.55e6
I_ESR (02:30) : 1.45e6
I_ESR (03:00) : 1.36e6
I_ESR (03:30) : 1.3e6
I_ESR (04:00) : 1.18e6
I_ESR (04:41) : 1.15e6
I_ESR (05:00) : 1.07e6
I_ESR (05:30) : 1e6
I_ESR (06:00) : 9.5e5
I_ESR (06:30) : 9.1e5
I_ESR (07:00) : 8.5e5
I_ESR (07:30) : -
I_ESR (08:00) : -
I_ESR (08:37) : 7e5
I_ESR (09:00) : 7.06e5
NTCAp file:
SC_2020-04-04_19-04-52
\IQ_2020-04-04_19-04-52
IQ rate: 8 MS/s
(saved in drive : O)
copy and repeat the above (below the line) for every storage time measurement |
|
Sat Mar 28 16:29:27 2020, Ragan, RuiJiu, Esther, General, Malfunction of several ESR machines
|
The HKR crew informs us that several machines in ESR are showing malfunctions.
The on-call expert cannot be reached.
Update (16:36): On-call service has been informed.
Update (16:48): ESR cycle stopped. |
|