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Message ID: 3     Entry time: Sun Jun 5 17:02:53 2011
Author: Ritu 
Type: Other 
Category: General 
Subject: S1203 startup 

 Saturday (June 4)

22Ne (8+) was tuned through TUDA @ ~ 110 enA checking on the

Faraday Cup. 

The transmission through a 3mm collimator was ~ 90%.

A low intensity tune ~ 200cps was tested using the scintillator.

After this the chamber was vented, to remove collimator and

alpha source was placed for calibrating upstream YY1 and dE(YY1).

There was a large noise in the free trigger (~ 2000cps) originating from  upstream 

YY1 detectors channels. 

Sunday (June 5)

Eventually  the threshold was raised and noise was reduced.

Calibration run taken for dE and upstream.

Vented chamber

fixed upstream cradle position

Inserted targets 

Pumped down.

 

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