ELOG ISOLDE

AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40

ISOLDE

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Entry time:	Sat Apr 5 23:31:13 2025
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Header: 4.7 MeV/u and CH2_30+25. Ender: ==================================================== Run number : 79 Date : 10/11 Start time : 05:52:13 Stop time : 08:00:08 Trigger rate (MIDAS) : 8 Blocks written : 789 覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧 Run Scalars (approx rates) 0- Ungated : 11 1- Gated : 10 2- dE : 49 3- E : 8 4- HI : 536 5- Pulser : 2 6- Clock : 967 覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧 Beam energy : 4.7 MeV/u Beam intensity : ~1.8 pA (~1.5 pA @7.30) --> Laser quality is decreasing Target : CH2_30+25 (Pos#6; 490-520 ug/cm2) Ladder position : 67.26 HI Degrader foil (um) : 15 um Al 覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧 del_E voltage (V) : -32 del_E leakage (uA) : 0.8 E voltage (V) : -350 E leakage (uA) : 1.745 E_hi voltage (V) : -13.5 to -14 E_hi leakage (uA) : 0.895 覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧 PA power (upstream, positive) : 1.55 A PA power (upstream, negative) : -0.55 A PA power (downstream, positive) : 0.8 A PA power (downstream, negative) : -0.28 A 覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧 Pressure (IMG1) : 6.8E-06 Pressure (old gauge) : 1.9E-05 Pressure (SEC) : 3.9E-06 覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧 Temp (Chiller) : -9.9 Temp (chamber) : 5.6 (from before) 覧覧覧覧覧覧覧覧覧覧覧覧覧覧覧 Comments: - since 6:20 RF problem on ring2 (although 3 full inj are shown) : ~1.6E+14 protons only - 07:34 MIDAS crashed ("arithmetic exception (core dumped)") - 07:36 restart MIDAS-session: DAQ is still fine, start spectrum viewer, SortSas still open and working, Open Scalers (tick "Enable Rates") fine) ==================================================== Encoding: HTML ELCode plain Suppress Email notification

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ELOG V3.1.4-unknown