Form of Matter

Cross-Section (barns)

Interaction Rate (year−1)

Other baryonic neutrinos

<2.2 × 10−33

<9.2 × 10−31

Electrons

1.4 × 10−20

3.9 × 10−20

Solar neutrinos

4.2 × 10−27

5.9 × 10−24

Supernova neutrinos

<1.1 × 10−25

<1.5 × 10−22