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Full | Summary | Threaded     -- All entries -- Last day Last 3 Days Last week Last month Last 3 Months Last 6 Months Last Year -- Category -- Analysis Calibration DAQ General Collaboration Runs Detectors SlowControl  180 Entries

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ID Date Author Category Subject Text   26   Sat Mar 28 01:14:19 2020 Ragan General Cross-section for capture and ionisation of 206Pb81+ with H2 target Cross-section for capture and ionisation of 206Pb81+ with H2 gas jet target are calculated using GLOBAL code.      27   Sat Mar 28 04:32:15 2020 Ragan Detectors Ionisation events on DSSSD XY co-relation of DSSSD showing 206Pb82+ beam hitting the CsISiPHOS detector present in the inner pocket of ESR after the first dipole      28   Sat Mar 28 04:50:34 2020 Ragan Detectors MWPC Alex and Pierre-Michel applied 1500 V to the anode and adjusted the threshold in Messhute. x1 signal was small & noisy and rest of the      35   Sat Mar 28 13:19:56 2020 Ragan Runs Template beam:  energy:  storage time:      48   Sun Mar 29 11:12:00 2020 Ragan Runs start run e121_run_0239.lmd Sergey and Yuri are tuning Tl beam. The particle number in ers is about 1e4. I(SIS)=5e8      57   Sun Mar 29 20:32:20 2020 Ragan General Template for Pb halflive measurement beam:  energy:       59   Sun Mar 29 21:34:46 2020 Ragan Runs First run beam: 206Pb81+ energy: 400 MeV/u      61   Sun Mar 29 21:55:47 2020 Ragan General MWPC Alex goes to Messhute to check the signals from MPWC. After he completes, we start with the measurements with the primary beam )      63   Mon Mar 30 00:32:32 2020 Ragan Runs First measurement with 206Pb81+ beam beam: 206Pb81+ energy: 400 MeV/u      64   Mon Mar 30 01:01:53 2020 Ragan Runs First measurement with 206Pb81+ beam beam: 206Pb81+ energy: 400 MeV/u      65   Mon Mar 30 01:07:29 2020 Ragan General Problem with SIS runstop: 0256 There is problem with SIS Run stop: 0257.lmd (at1:06)      66   Mon Mar 30 01:25:57 2020 Ragan Runs First measurement with 206Pb81+ beam 01:17 Problem with SIS is solved 01:19 run start 0258.lmd      67   Mon Mar 30 01:43:58 2020 Ragan General First measurement with 206Pb81+ beam pattern details The following shows the pattern for first measurement in ESR (gas jet is on for = 60*5 secs = 300 secs as it can be seen on step      68   Mon Mar 30 02:00:46 2020 Ragan Runs First measurement with 206Pb81+ beam beam: 206Pb81+ energy: 400 MeV/u      69   Mon Mar 30 02:27:44 2020 Ragan Runs Second measurement with 206Pb81+ beam at I_cooler = 200 mA I_cooler = 200 mA beam: 206Pb81+      74   Mon Mar 30 04:15:29 2020 Ragan General Second measurement with 206Pb81+ beam at I_cooler = 200 mA In the picture below, a very nice storage of 206Pb81+ at 200 mA electron cooler current for no gas jet target can be seen in ESR.      76   Mon Mar 30 06:15:13 2020 Ragan Runs Second measurement with 206Pb81+ beam at I_cooler = 20 mA I_cooler = 20 mA beam: 206Pb81+      78   Mon Mar 30 06:30:52 2020 Ragan Runs Second measurement with 206Pb81+ beam at I_cooler = 20 mA I_cooler = 20 mA beam: 206Pb81+      79   Mon Mar 30 06:34:47 2020 Ragan General Second measurement with 206Pb81+ beam at I_cooler = 20 mA In the ESR picture below, the decay of beam is very fast initially for few minutes and then the decay is constant. But why does      103   Mon Mar 30 20:51:06 2020 Ragan Detectors Bias Voltage for Si-pads The limit of the leakage current for all Si pads was increased from 1500 nA to 5000nA and

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