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Nuclear hyperfine mixing in 229Th89+ 2025  Not logged in

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This is a draft message, edit and submit it to make it permanent   Message ID: 65     Entry time: Fri Jun 27 06:13:02 2025 Author: Esther, Konstantin  Category: Runs  Subject: Early shift - data taking

Notes: 1. TE slits at -10 and +10 2. SIS intensity unstable until about 9:00 after that it became much more stable 3. brief interruption between 09:30 and 10:03 due to interlock issue at SIS Time Part. Det. Int SIS-intensity accumulations in ESR cooler-HV PTB K250 cooler-HV PTB red cooler-HV orange LMD-DAQ1 Files LMD-DAQ2 Files scan range(nm) number of positions dwell time (laser shots) n loops checked laser position mesytec rate ok comments 06:15 16300 1.5-3.5 e9 30 104522 104526 104526 172 199 551.91 - 549.41 501 15 1 yes yes 06:30 13500 1.5-3.5 e9 30 104522 104526 104526 173 200 551.91 - 549.41 501 15 1 yes yes 06:44 4000 1.5-2 e9 30 104522 104526 104526 174 201 551.91 - 549.41 501 15 1 yes yes beam scraped vertically with scraper 1 after end of laser scan (see entry 66), scraper left in but tilted to allow for injection 07:05 14800 2-3.5 e9 30 104522 104526 104526 175 202 551.91 - 549.41 501 15 1 yes yes beam scraped horizontally with scraper 1 after end of laser scan (see entry 66), scraper 1 moved back out 07:25 14000 1.1-2.6 e9 30 104522 104526 104526 176 203 551.91 - 549.41 501 15 1 yes yes beam scraped horizontally with scraper 2 after end of laser scan (see entry 66), scraper 2 left in but tilted to allow for injection 07:44 4200 1-2.5 e9 30 104522 104526 104526 177 204 551.91 - 549.41 501 15 1 yes yes beam scraped horizontally with scraper 2 after end of laser scan (see entry 66), scraper 2 moved back out 08:12 5700 1-2.5 e9 30 104522 104526 104526 178 205 551.91 - 549.41 501 15 1 yes yes !!file in DAQ1 not closed after end of scan!!; ~5 injections missing because nothing came from SIS 08:27 16000 1.5-3 e9 30 104522 104526 104526 178 206 551.91 - 549.41 501 15 1 yes yes !!file in DAQ1 still open from last scan!! 08:44 11700 1.5-3 e9 30 104522 104526 104526 179 207 551.91 - 549.41 501 15 1 yes yes 09:00 15600 2.6-3 e9 30 104522 104526 104526 180 208 551.91 - 549.41 501 15 1 yes yes 09:24 6500 2.8 e9 30 104522 104526 104526 181 209 551.91 - 549.41 501 15 1 yes yes 10:13 14600 2.2 e9 30 104522 104526 104526 182 210 551.91 - 549.41 501 15 1 yes yes 10:31 183 211 BAD FILES: ESR not stopped in SC9, injection during laser scan 10:39 14500 2.6 e9 30 104522 104526 104526 184 212 551.91 - 549.41 501 15 1 yes yes 10:55 15400 2.3 e9 30 104522 104526 104526 185 213 551.91 - 549.41 501 15 1 yes yes 11:11 15500 2.6 e9 30 104522 104526 104526 186 214 551.91 - 549.41 501 15 1 yes yes 11:27 15800 2.5 e9 30 104522 104526 104526 187 215 551.91 - 549.41 501 15 1 yes yes 11:41 5200 1.4-2.6 e9 30 104522 104526 104526 188 216 551.91 - 549.41 501 15 1 yes yes 11:56 16500 2.6 e9 30 104522 104526 104526 189 217 551.91 - 549.41 501 15 1 yes yes 12:12 15000 2.9 e9 30 104522 104526 104526 190 218 551.91 - 549.41 501 15 1 yes yes 12:27 15000 2.8 e9 30 104522 104526 104526 191 219 551.91 - 549.41 501 15 1 yes yes 12:44 15800 2.9 e9 30 104522 104526 104526 192 220 551.91 - 549.41 501 15 1 yes yes 13:21 5400 2.3 e9 30 104522 104526 104526 193 221 551.91 - 549.41 501 15 1 yes yes 13:42 4800 2.6 e9 30 104522 104526 104526 194 222 551.91 - 549.41 501 15 1 yes yes 13:59 6200 2.6 e9 30 104522 104526 104526 195 223 551.91 - 549.41 501 15 1 yes yes

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