Reactor Neutrinos

Table 4

Signal and background summary. The background and IBD rates were corrected for the 𝜖_𝜇𝜖_𝑚 efficiency.

	AD1	AD2	AD3	AD4	AD5	AD6
IBD candidates	69121	69714	66473	9788	9669	9452
Expected IBDs	68613	69595	66402	9922.9	9940.2	9837.7
DAQ livetime (days)	127.5470		127.3763		126.2646
Muon veto time (days)	22.5656	22.9901	18.1426	2.3619	2.3638	2.4040
𝜖𝜇𝜖𝑚	0.8015	0.7986	0.8364	0.9555	0.9552	0.9547
Accidentals (per day)	9.73±0.10	9.61±0.10	7.55±0.08	3.05±0.04	3.04±0.04	2.93±0.03
Fast neutron (per day)	0.77±0.24	0.77±0.24	0.58±0.33	0.05±0.02	0.05±0.02	0.05±0.02
9Li/8He (per AD per day)	2.9±1.5		2.0±1.1	0.22±0.12
Am-C correlated (per AD per day)	0.2±0.2
13C(𝛼𝑛)16O background (per day)	0.08±0.04	0.07±0.04	0.05±0.03	0.04±0.02	0.04±0.02	0.04±0.02
IBD rate (per day)	662.47±3.00	670.87±3.01	613.53±2.69	77.57±0.85	76.62±0.85	74.97±0.84