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User name M Friend
Log entry time 17:49:41 on October29,2009
Entry number 296914
keyword=Compton run summary
This is an fadc gain scan and electron detector threshold scan. Spyconf settings are: electron only, 2 plane coinc, 100% prescale, width strips 2, no beam (of course). VarDACsetting=35250
Run 20712: HV=-1500, threshold=8. Peak height is ~21rau, sum is 138 raus. Edet trigger rate is ~2MHz.
Run 20713: HV=-1525, threshold=9. Peak height is 29rau, sum is 318 raus. Edet trigger rate ~100kHz.
Run 20714: HV=-1550, threshold=10. Peak height is 40rau, sum is 562 raus. Edet trigger rate ~2kHz.
Run 20715: HV=-1575, threshold=11. Peak height is 57rau, sum is 924 ruas. Edet trigger rate is bascially 0.
Run 20716: HV=-1600, threshold=12. Peak height is 77rau, sum is 1350 raus. Edet trigger rate is 0.
Run 20717: HV=-1625, threshold=13. Peak height is 104 rau, sum is 1952 raus.
Run 20718: HV=-1650. Peak height is 145 rau, sum is 2819 raus.
Run 20719: HV=-1675. Peak height is 190 rau, sum is 3788 raus.