No pulser (inhibit in clock)
DLT: 181026_2244_Bkg_NoPulser_114.dlt
Online: 181026_2259_Bkg_NoPulser.root
TTree: 181026_2244_Bkg_NoPulser_114.root
With pulser:
DLT: 181026_2305_Bkg_Pulser_115.dlt (erased)
Online: 181026_2314_Bkg_Pulser.root
TTree: no
VME crate reset
No pulser:
DLT: 181026_2324_Bkg_NoPulser_116.dlt
Online: 181026_2331_Bkg_NoPulser.root
We adjust all the thresholds reducing them
drastically to see the noise.
Overnight measurement:
Online: 181027_1137_BkgOverNight_NoPulser.root
Start measurements with DLT
No pulser:
Start: 11:42
Stop: 12:46
DLT: 181027_1142_Bkg_NoPulser_VeryLowThr_117.dlt
Online: 181027_1246_Bkg_NoPulser_VeryLowThr.root
Bckg rate:
Fit to RateBRIKEN= 0.340 cps
With pulser:
Start: 12:53
Stop: 14:08
DLT: 181027_1253_Bkg_Pulser_VeryLowThr_118.dlt & *_119.dlt
Online: 181027_1408_Bkg_Pulser_VeryLowThr.root
Bckg rate:
t(10Hz pulse)= 4458s, BRIKEN:2547 counts, Rate=0.571 cps
tube bkg (Integral(l830,1550))=885, net=1662counts, Rate=0.373cps
Fit to RateBRIKEN= 0.566 cps
252Cf source in the center
With pulser:
Start: 14:37
Stop: 16:51
DLT: 181027_1437_252Cf_Pulser_VeryLowThr_120.dlt Runs: 120-123
Online: 181027_1437_252Cf_z0cm_Pulser_VeryLowThr_1652.root
252Cf rate:
t(10Hz pulse)=7973.80 s, BRIKEN: 7.66289e+07 counts, Rate= 9610.09 cps
Fit to RateBRIKEN= 9594.69 cps
No pulser:
Start: 16:57
Stop: 18:47
DLT: 181027_1657_252Cf_NoPulser_VeryLowThr_124.dlt
Online:181027_1657_252Cf_z0cm_NoPulser_VeryLowThr_1847.root
Fit to RateBRIKEN=9591.79 cps
Background:
No Pulser:
DLT: No
Online: 181028_1056_BkgOverNight_NoPulser.root
With pulser:181028_1056_1641_Bkg_Pulser.root
DLT: No
Commments: Corr_BR_BR looks funny. It shows periodic peaks. Probably related to the
filling of the Ge detector. We will stop to check if it appears again |