KATRIN: Neutrinos are lighter than 0.8 electronvolts - sfb1258
Unlike cosmological observations, this measurement is direct and model-independent , meaning it does not rely on assumptions about the early universe. 4. Significance for Physics katrin [2021-07-09 18-28-07].mp4
The KATRIN experiment has successfully established a new world record for the upper limit of the , breaking the "1 eV barrier" for the first time in a laboratory setting. Using the beta decay of tritium, the international collaboration has limited the neutrino mass to less than 0.8 electronvolts (eV) with unprecedented precision. 2. Experimental Methodology KATRIN: Neutrinos are lighter than 0
The measurement is conducted at the using a 70-meter-long beamline. Using the beta decay of tritium, the international
Scientists observe the tritium beta decay process, where a tritium nucleus decays into helium, an electron, and an antineutrino.
The video filename katrin [2021-07-09 18-28-07].mp4 likely refers to a recording related to the (KArlsruhe TRItium Neutrino experiment) during its critical 2021 measurement phase. On July 9, 2021, a major scientific paper— "Language models enable zero-shot prediction of the effects of mutations" —was also released, though the experiment name "KATRIN" is most famously associated with breakthrough results in neutrino mass research published around that same time.
The analysis utilized approximately 36 million electron events collected between 2019 and 2021.