Elements S3 • E41

This Is What Neutrinos Look Like When Scientists Catch Them





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Published on Nov 26, 2018

Scientist use crazy technology to hunt down the elusive “ghost particle”, from bubble chambers to glowing radiation. Here are the different methods they’ve tried, and are still using today.

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Read More:
Seeing the invisible: Event displays in particle physics
“ A cloud chamber is a box containing a supersaturated vapour. As charged particles pass through, they ionise the vapour, which condenses to form droplets on the ions. The tracks of the particles become visible as trails of droplets, which can be photographed. “

3 Questions: Pinning down a neutrino’s mass
“Today, a major experiment has joined this fundamental search. The Karlsruhe Tritium Neutrino Experiment, or KATRIN, is a massive detector based in the town of Karlsruhe, Germany, that has been designed to measure a neutrino’s mass with far greater precision than existing experiments. At KATRIN’s heart is a 200-ton, zeppelin-like spectrometer, and scientists hope that with the experiment launching today they can start to collect data that in the next few years will give them a better idea of just how massive neutrinos can be.”

The short-baseline detectives and the mysterious case of the sterile neutrino
“Scientists from Fermilab and more than 45 institutions around the world have teamed up to design a program to catch this hypothetical neutrino in the act. The program, called the Short-Baseline Neutrino (SBN) program, makes use of a trio of detectors positioned along one of Fermilab’s neutrino beams. Although there are other reactor and source-based experiments in the world that actively seek a fourth neutrino, also called a sterile neutrino, SBN is the only program that uses a particle accelerator to produce neutrinos and multiple neutrino detectors for this search.”

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