Science

Revolutionary Findings: Neutrinos' Mass Dropped to Below 0.45 Electron Volts!

2025-04-14

Author: Jacques

Unlocking the Mysteries of Neutrinos

Neutrinos, the elusive particles that permeate our universe, have long piqued the curiosity of scientists. They are abundant yet notoriously scarce in their interactions with matter, making them a captivating focus in both cosmology and particle physics.

The KATRIN Experiment: A Game Changer

Enter the KATRIN experiment, a groundbreaking initiative designed to unravel the enigma of neutrinos' mass. By harnessing the beta decay of tritium—a destabilized hydrogen isotope—KATRIN provides direct measurements of neutrino mass, offering vital insights into fundamental physical processes and cosmic formation.

Major Breakthrough: New Mass Limit Established!

In an electrifying study published in the journal Science, KATRIN's data reveals that the upper limit of neutrino mass is now under 0.45 electron volts, roughly equivalent to 8 x 10⁻³⁷ kilograms. This significant reduction—almost halving previous estimates from 2022—highlights the advancements in KATRIN's measurement sensitivity.

A Closer Look at the Data