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0 pointspfdietz1y ago0 comments

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.

0 comments

More like 100 km I'd think but yeah, the neutrino nucleon cross section gets much bigger at high energies

j / k navigate · click thread line to collapse

More like 100 km I'd think but yeah, the neutrino nucleon cross section gets much bigger at high energies

j / k navigate · click thread line to collapse