Studying the Earth with Geoneutrinos

Table 4

Measured geo-neutrino signal in Borexino [62] and KamLAND [51].

	Borexino	KamLAND
Period	Dec 07–Aug 12	Mar 02–Nov 12
Exposure (proton ⋅ year)	(3.69 ± 0.16) 10^31	(4.9 ± 0.1) 10^32
Geo-𝜈 events	14.3 ± 4.4	116^+28−27
Geo-𝜈 signal [TNU]	38.8 ± 12	30 ± 7
Geo-𝜈 flux (oscill.) [⋅10^6cm^−2 s−1]	4.4 ± 1.4	3.4 ± 0.8
Geo-𝜈 signal/(not-oscill. anti-𝜈 background)	0.23	0.032
Geo-𝜈 signal/(non anti-𝜈 background)	20.4	0.32