3 ms·
The mean free path of much lower energy neutrinos in lead is about a light year. The MFP of a 120 PeV neutrino in lead would be something like 10 kilometers, I
by pfdietz 2y ago
The mean free path of much lower energy neutrinos in lead is about a light year.
The MFP of a 120 PeV neutrino in lead would be something like 10 kilometers, I think.
- cozzyd 2y agoMore like 100 km I'd think but yeah, the neutrino nucleon cross section gets much bigger at high energies