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dN=0 experiment, Page 1 of 2

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ID	Date	Author	Category	Subject	Text
1	Tue Mar 23 08:39:11 2021	Martino Trassinelli		Target triggers	Settings for the event triggers (on left - machine 6 event 32 / off right - machine 7 event 32) (first picture)
2	Tue Mar 23 08:42:11 2021	Martino Trassinelli	Runs	Beam nominal set-up	- 238U89+ at the energy of 30.16 MeV/u for the Li-like from excitation --> 1-3 days of beam time
3	Wed Mar 24 22:45:37 2021	Martino Trassinelli	General	Accelerator cycle	Cycle at present
4	Wed Mar 24 22:48:09 2021	Martino Trassinelli		Typical cycle	Typical cycle at present
5	Thu Mar 25 01:37:04 2021	Martino Trassinelli	Runs	Change in the gas-jet density	We reduced the pressure of the gas-jet target at 0:45AM. Now it is about 7E11 (indicated as 7x10E11 in the webpage of the control).
6	Thu Mar 25 08:59:50 2021	Martino Trassinelli	Runs	Summary of the last evening night	Starting from about 23:40 we have a complete set-up with Ge detector and particle detector. Gas jet density about 1.1e12.
7	Thu Mar 25 11:42:14 2021	Martino Trassinelli	DAQ	TDC recalibration	Check of the TDC spectrum:it is strange. Uwe and Jan recheck all the chain. Still strange behavior.
8	Thu Mar 25 13:29:22 2021	Martino Trassinelli	DAQ	mbs acquisition restarted	TDC changed and acquisition restarted. We have now a 2D histogram time vs energy. We should have some clues to solve the mystery.
9	Thu Mar 25 19:20:24 2021	Martino Trassinelli	General	Switch to Be-like line	Tuning the beam for the Be-like U from capture in Li-like U. Energy setting up to 39.293 MeV/u.
10	Thu Mar 25 23:59:46 2021	Robert	Runs	Data run for Be-like	We started a run with cooler energy set to 21715 V, corresponding to 21515 V with space charge correction for Be-like from capture.
11	Fri Mar 26 07:26:48 2021	Robert	Runs	typical cycle for the be-like measurement
12	Fri Mar 26 08:35:25 2021	Martino Trassinelli	Runs	End of the Be-like beam	Problems from the high frequency in unilac. We stoped the acquisition at 6:50 corresponding to the lmd file n. 1184.
13	Fri Mar 26 09:10:02 2021	Martino Trassinelli	Analysis	Low energy Li-like beam TDC vs ADC from Ge detector	Arrival time vs energy of the Xray from the Ge detector during the beam with Li-like U at 39 MeV/u. Prompt data are visible, due
14	Fri Mar 26 20:42:31 2021	Robert	Analysis	image of the photons from the be-run	around 16 photons in the right energy range after ~5 h of integration.
15	Tue Mar 30 11:03:17 2021	Robert	Runs	data run for Li like	We startet run on Tuesday 2 am with ~4E7 decellerated ions. We get a count rate of ~40 cts per hour in
16	Tue Mar 30 11:24:51 2021	Martino	Runs	Typical good cycles for He-like beam
17	Thu Apr 1 21:24:14 2021	Martino	Runs	H-like ion beam started for He-like	Starting the acquisition for the He-like U with a H-like U beam at 41.035 MEV/u Gas jet detector: 2.38E12 part/cm2
18	Sat Apr 3 12:01:01 2021	Robert	Analysis	Line energies for Germanium detector
19	Sat Apr 3 12:03:57 2021	Pierre-Michel	Analysis	X-ray spectrum	Live X-ray spectrum from U91+ at 41 MeV/u, accumulated within 35.6 h according to Go4.
20	Sun Apr 4 15:26:57 2021	Robert	Runs	stability of ion beam current during He-like run	graph starts covers the whole he-like run from Thursday evening to monday afternoon

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