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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 Simulations Accelerator  231 Entries

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ID Date Author Category Subject Text   147   Wed Jun 30 08:59:37 2021 Yuri Accelerator 70Se setting X(9Be)=1.815 g/cm2 (adjusted in primary beam setting)      148   Wed Jun 30 09:04:50 2021 Yuri, Markus Accelerator Status 1) Over night the source was conservated. It is being restarted now. 2) The approximated amount of Gas in this      153   Wed Jun 30 13:57:14 2021 Yuri, Sergey Accelerator sextupoles + scraper positions After setting up on 70Se Sextupoles were adjusted to optimize the resolution of the 70Se peak. Set values are      166   Thu Jul 1 07:28:55 2021 Jan, Akash Accelerator Beam intensity Intensity went up from 5e8 to 1e9 extracted particles from SIS.      167   Thu Jul 1 14:47:15 2021 Yury, Helmut Accelerator added high Brho scrapers So far only scrapers for low Brho were used:   GE01DS_HI = -58mm (arc from inside) and   GEEXDS2HA = -11.2 (straight from outside)      205   Fri Jul 2 11:44:25 2021 Helmut, Yuri Accelerator move scrapers to see effect on unknown lines We close the arc inside and straight section inside scrapers to narrow and cut the 70Se line.      206   Fri Jul 2 12:18:35 2021 Pavlos, Alexandre Accelerator e-cooling Sergey Litvinov will now try to setup the e-cooler to cool the beam in the ESR.  The data taking has been stopped (except      209   Fri Jul 2 13:10:00 2021 Yuri Accelerator Scrapers 12:46 moved the TOF detector scraper back to -11 mm      211   Fri Jul 2 13:44:50 2021 Sergey, et al Accelerator El cooler Up to now, attempts to cool the fat line between Se and Ar were conducted. We give up it now and remove cooling      214   Fri Jul 2 16:14:17 2021 Yuri Accelerator Scrapers 4 72Br Starting 15:15 The scrapers are moved very much close to each other to eliminate all background particles      220   Fri Jul 2 20:33:44 2021 Yuri Accelerator 70Se setting with closed scrapers We tune back to 70Se. The scrapers stay closed at EEXDS2HA=0 mm, EEXDS1HG=+5 mm

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