 Fri Apr 3 03:18:06 2020, Ragan, Pierre-Michel, Dima, Runs, Zero hour measurement (S2: 0/35 mm) 
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 0 hr
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Fri Apr 3 13:21:16 2020, Ragan, Mei, Shahab, Runs, Zero hour measurement (S2: 0/35 mm)
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 0 hr
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Sat Apr 4 00:00:20 2020, Ragan, Laszlo, Pierre-Michel, Dima, Runs, Zero hour measurement (S2: 0/35 mm and S6: -20/7 mm)
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 0 hr
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Sat Apr 4 00:40:29 2020, Ragan, Pierre-Michel, Dima, Runs, Zero hour measurement (S2: 0/35 mm and S6: -20/7 mm)
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 0 hr
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Mon Apr 6 05:28:55 2020, Ragan, Laszlo, Nikos, Runs, Zero hour measurement (S2: 0/35 mm and S6: -20/7 mm)
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 0 hr
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Fri Apr 3 03:59:14 2020, Ragan, Pierre-Michel, Dima, Runs, Two hour measurement (S2: 0/35 mm)
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 2 hr
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Sun Apr 5 10:31:08 2020, Ragan, Shahab, Runs, Two hour measurement (S2: 0/35 mm and S6: -20/7 mm)
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: hr
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Sat Apr 4 18:57:49 2020, Ragan, Alex, Esther, General, Timing problem with SIS & ESR and problems with stacking
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There are further problems with beam stacking in ESR. It works occasionally but keeps failing.
There is also timing problem between SIS and FRS. |
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Thu Apr 2 21:12:39 2020, Ragan, Nikos, Pierre-Michel, Dima, Runs, Three hour measurement (S2: 0/35 mm)
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 3 hrs
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Mon Apr 6 01:02:00 2020, Ragan, Laszlo, Nikos, Runs, Three hour measurement (S2: 0/35 mm and S6: -20/7 mm) 9x
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 3 hr
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Tue Aug 27 14:53:47 2019, Chen, Sidhu, Detectors, The thickness uncertainty of Ta is less than 1%.
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The thickness of Ta plate have been measured by target group. The result is show as following.
According to this measurement, the thickness uncertainty is less than 1%.
This thickness uncertainty is good enough for Tl experiment.
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Mon Mar 30 14:48:02 2020, ruijiu and Tino, Detectors, The leakcurrent of SiPad is over the setting limit.
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Because the
leakcurrent of
6 Sipads is
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Tue Mar 31 15:30:43 2020, ruijiu, Analysis, The beam position on DSSD with different conditions on on the dEE spectrum 6x
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| I analyzed the first measurement with 206Pb81+ beam, run 250-267. |
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Mon Dec 3 15:06:04 2018, Chen, Sidhu, DAQ, Test of two preamplifier.
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[B]Description:[/B]
We have two pre-amplifiers:
New: Max. range 5GeV, Two sensitivity options: 1 GeV and 5 GeV, Decay time = 30 us, pulse input 220 MeV/u, Ser. #MPR-32-D-5000-30-1118380.
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Mon Dec 10 11:59:15 2018, Chen, Sidhu, Detectors, Test of shaping amplifier.
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[IMG]elog:6/1[/IMG]
[IMG]elog:6/2[/IMG]
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Sat Apr 4 23:44:22 2020, Ragan, RuiJiu, Laszlo, Runs, Ten hour measurement (S2: 0/35 mm and S6: -20/7 mm)
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beam: 205Tl81+ (no scraping , Al ~1g/cm2)
energy: 400 MeV/u
storage time: 10 hr
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Sun Mar 29 20:32:20 2020, Ragan, General, Template for Pb halflive measurement
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beam:
energy:
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Sat Mar 28 13:19:56 2020, Ragan, Runs, Template
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beam:
energy:
storage time:
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Thu Apr 2 06:25:13 2020, Ragan, Runs, Template
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beam: 205Tl81+ (no scraping)
energy: 400 MeV/u
storage time: ___ hrs
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Mon Mar 30 09:26:37 2020, Tino, Runs, Stopped Second measurement with 206Pb81+ beam at I_cooler = 10 mA
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Stopped Data recording for Restart of the measurement
I_cooler = 10 mA
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