AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40
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ID Date Authordown Subject
  108   Sat Nov 11 17:36:54 2017 ASMmore halflife stuff

Fitting those half life data more reasonably... fitted the decay curve with y=a*exp(-b*t)+c to all the data points, comes up with t1/2=(85.8+/-2.6)s

Attachment 1: Screen_Shot_2017-11-11_at_18.38.37.png
Screen_Shot_2017-11-11_at_18.38.37.png
  97   Sat Nov 11 05:49:00 2017 AM & MDrun 88
Header: 3.99 MeV/u and CH2_30+25.
Ender: 
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Run number			: 88
Date				: 11/11/17
Start time			: 06:49:09
Stop time			: 07:34:34
Trigger rate (MIDAS)	        : 0
Blocks written		        : 1
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Run Scalars (approx rates)
0- Ungated                      : 0 (or near as damn it)
1- Gated                        : 0
2- dE                           : 138k
3- E                            : 56
4- HI                           : 15
5- Pulser                       : 2
6- Clock			: 968
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Beam energy (MeV/u)		: 3.99 MeV/u
Beam intensity (epA)	        : ~ 0.1 pA (yes!)
Target				: CH2_30+25  (Pos#6; 490-520 ug/cm2)
Ladder position	(mm)	        : 67.26
HI Degrader foil (um)		: 10 um Al
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del_E voltage (V)		: -40
del_E leakage (uA)		: 0.65
E voltage (V)			: -350
E leakage (uA)		: 2.11
E_hi voltage (V)		: -14
E_hi leakage (uA)		: 2.42
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PA power (Up, positive)	(A)	: 1.55
PA power (Up, negative) (A)     : -0.55
PA power (Down, positive) (A)	: 0.8
PA power (Down, negative) (A)   : -0.28
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Pressure (IMG1)	(mbar)	        : 7.8 E-06
Pressure (old gauge) (mbar)          : 2.35 E-05
Pressure (SEC)	(mbar)         	: 4.3 E-06
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Temp (Chiller)	deg	        : -10.1
Temp (chamber)	deg	        : 5.7
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Comments: Laser needs cleaning - person (Dima) on the way. Right now, very low beam current. Stopped when Dima arrived
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  Draft   Wed Sep 13 15:28:18 2017   

Discussion with ISOLDE staff -> things to sort out:

1) Removable Faraday Cup between Scattering Chamber and our Chamve

ELOG V3.1.4-unknown