Tag

1998

2 articles tagged with 1998.

research · October 4, 2025 · 7 min read

Super-Kamiokande 1998: the announcement that gave neutrinos mass

On a summer afternoon in Takayama, Japan, Takaaki Kajita walked to a podium and explained why atmospheric muon neutrinos disappear before reaching the ground. The announcement broke the Standard Model.

experiments · August 17, 2025 · 5 min read

Paper Spotlight: Super-Kamiokande 1998 — atmospheric neutrino oscillation

A guided walk through the 1998 Physical Review Letter that proved neutrinos oscillate. Super-K observed a clear directional asymmetry in atmospheric muon neutrinos — the smoking gun for flavor change and for non-zero neutrino mass.

← Back to all articles