58Ni in F11 C-6mm (later empty)
F7 CH2 target out (F5 CH2 target in)
Thresholds in V_PL_* lowered from 20MeV to 1MeV
Start: 15:37
Stop: 1609
ROOT file:
They put the empty position of the F11 target ladder
at 15:48.
BRIKEN neutron count rate was reduced by a factor 2!
Also veto plastic det.
Rates:
F3: 4000 cps
F11_PL_R: 1350 cps
BRIKEN: 23 cps -> 14 cps
VPLT: 28 cps -> 12 cps
VPLB: 4 cps -> 1 cps
ROOT File: 161106_1609_58Ni_F11_empty.root
Figures Rate BRIKEN (red) Rate V_PL_T (blue)
Counts:
RateF11R: 2512767
RateBRIKEN: 30363 (1.2 neutron/100 particles)
Corr_BR_F11R: 29176 (96%)
RateBRVPLT: 31275
Corr_BR_VPLT: 5424 (17%)
RateBRVPLB: 3764 |