AIDA
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ISOLDE
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StellarModelling
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AIDA
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10.52 DAQ continues AIDA file RIBF148/R8_39 BNC PB-4 Amplitude 90,000 x5 attenuator IN t_r 100ns tau_d 50us - polarity frequency 25Hz range 2.6Hz delay MIN, tail pulse, INT ref ASIC settings 2017Mar27-16.12.39 *except* slow comparator 0x64 LEC/MEC fast comparator 0x14 10.54 Detector biases & leakage currents OK - see attachments 1 & 2 FEE64 Temperatures OK - see attachment 3 good events statistics stable & OK - see attachment 4 No warnings/errors reported by merger since start of RIBF148/R3 - see attachment 5 *all* system wide checks OK (zero fails) 11.02 analysis file RIBF148/R8_39 - zero deadtime, 222x MBS and zero ts timewarps - see attachment 6 correlation scaler trigger ~ 950/3 ~ 320Hz 15.12 online analysis ADC & disc data synchronised - note the effect of the higher slow comparator threshold on the after-pulse - see attachment 7 per DSSSD m_p versus m_n (LEC) - see attachments 8 per DSSSD x versus y (LEC) - see attachment 9 per DSSSD E_p versus E_n (LEC) - 512x512 spectra - nominal 20keV per channel - see attachment 10 Spectra show light particles detected from last night's 238U beam test - no HEC data due to 10cm Pb wall It should be straightforward to separate the alpha background from this data using the change in LEC rates and the light particle data will also provide a good check of the calibration. 11.17 Stop DAQ AIDA file RIBF148/R8_40 online histograms & SortSas spectra zero'd saw tooth noise FEE64s p+n junction strips not observed clover detectors re-installed but not cabled or biased 3He detectors are on Si dE and variable degrader was removed yesterday 11.19 Start DAQ AIDA file RIBF148/R9 Check ASIC control x2 13.15 Detector biases & leakage currents OK - see attachments 11 & 12 16.45 Clover detectors cabled and bias applied 17.33 DAQ continues AIDA file RIBF148/R9_6 nnaida13 & nnaida11 1.8.W spectra - nnaida13 shows evidence of high frequency noise modulated with a period of ~400us cf. https://elog.ph.ed.ac.uk/AIDA/661 18.01 DAQ stop AIDA file RIBF148/R9_6 18.09 *** NEW FEE64 FIRMWARE *** New RunControl/sys.tcl and Check/check.js .tcl .tml 18.48 DAQ start AIDA file RIBF148/R10 BNC PB-4 Amplitude 90,000 x5 attenuator IN t_r 100ns tau_d 50us - polarity frequency 25Hz range 2.6Hz delay MIN, tail pulse, INT ref ASIC settings 2017Mar27-16.12.39 *except* slow comparator 0x64 LEC/MEC fast comparator 0x14 19.03 online analysis ADC & disc data synchronised - 20.48us/channel - see attachment 15 For all combinations of x-y strips (LEC events) calculate IF ( ihit( i ) .AND. ihit( j ) ) THEN tdiff1 = ihit_ts(i)-e_time tdiff2 = ihit_ts(j)-e_time CALL inc1d( 500, tdiff1 + 2000 ) CALL inc1d( 506, tdiff2 + 2000 ) CALL inc2d( 2600, tdiff1, tdiff2 ) ENDIF where e_time = 100MHz timestamp of first ADC word of event ihit_ts(i) = 100MHz timestamp of ADC word i of event see attachments 16-17 19.21 Current MONLOCK status - see attachment 18
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