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User name P. Monaghan
Log entry time 10:54:18 on March17,2005
Entry number 141735
keyword=Swapped pmts bases on neutron detector
This morning Olivier took three pmt bases of the 'Glasgow' type off the fibres on the proton and neutron detector - there were only three bases which we could use. These were swapped out for the CERN type bases on channels N1-5R, N1-5L and N3-12L of the neutron detector. The bases were swapped because they were not giving stable outputs. A cosmic run has been started and will be analysed to check the adc/tdc spectra for the new bases and so any high voltage adjustment can be made if required.