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1L23 NDX Scan

6 days 23 hours ago
Log Number: 4474930Logbook(s): Entry Makers: deirBody: 

Fig 1: Cavity 1 - No significant change from 8 MV/m -> 9.5 MV/m

Fig 2: Cavity 2 - Roughly 1R/hr increase in C100 neutron rates going from 10 MV/m to 13 MV/m. An additional 3 R/hr going from 13.0 to 14.8 MV/m. This large increase in neutron dose rate seems to start at 14.0 MV/m.

deir

2L10-4 High GASK

6 days 23 hours ago
Log Number: 4474929Logbook(s): Entry Makers: samariBody: 

The cavity started SOSing so I walked gradient down and was going to see if it wasn't tuned well. With a GLOD of -1.1 I could only get 0.06 kW of CRFP, and tuning showed we were on resonance. The attenuator is already at 0 dB. GASK has been rising for the past couple days.

samari

1L02 MO Temp readback dropped to zero

1 week ago
Log Number: 4474927Logbook(s): Entry Makers: samariBody: 

On the 5th around noon the readback went to zero, but no impact on LO or IF in the zone or others downstream of it. No mention of any work on the zone in the logs, and zone was off at the time.

samari

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CEBAF Program
MCC Crew Chief Howard
MCC Operators Price, Chaudhary
Program Deputy Roblin
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