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EPICS Interface for TDC V775 Application runs on VxWorks on PPC 2306 VME controller. Utilizes existing MCA record, 8192 bin long, with most of the MCA record features functional. Uses 1 MCA record (i.e. one histogram) per TDC channel, measuring the time between two channels with 35 psec precision. MCA Record Device Support Driver Support Interrupt Handler Read TDC Buffer Fill Histogram
Some Data Processing For some channels there can be substantial accidental background depending on the rate. Perform a fit to determine the accidental background and to obtain the phase of the gaussian peaks. Perform Fourier transformation on the “cleaned up” time spectrum.
Page 1 and 2: Monitoring of the Beam Time-Structu
Page 3 and 4: CLAS Detector in Hall B Nearly 4π
Page 5 and 6: Terminology for ep Scattering 4-mo
Page 7 and 8: Form Factors 4-D analogue of Fouri
Page 9 and 10: S 11 (1535) and P 11 (1440) states
Page 11 and 12: Using the RF structure for PID The
Page 13 and 14: The “Sixty Hz” Application Uti
Page 15 and 16: Schematic of the System Beam bunche
Page 17: Detectors Used for the Study “Be
Page 21 and 22: The phase of 499 MHz component We
Page 23: Conclusions Charged particle ID is

slides - CASA - Jefferson Lab

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