Science

Scientists seek to find mass of ‘ghost particle’

A researcher looks inside the main spectrometer of a machine designed to determine the mass of neutrinos at the Karlsruhe Institute of Technology in Eggenstein-Leopoldshafen near the city of Karlsruhe in Germany on June 11, 2018.

A researcher looks inside the main spectrometer of a machine designed to determine the mass of neutrinos at the Karlsruhe Institute of Technology in Eggenstein-Leopoldshafen near the city of Karlsruhe in Germany on June 11, 2018.   | Photo Credit: AP

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Device may pinpoint mass of neutrinos

Researchers in Germany have started collecting data with a 60 million euro ($71 million) machine designed to help determine the mass of the universe’s lightest particle.

Physicists, engineers and technicians at the Karlsruhe Institute of Technology hope the 200-metric tonne device will narrow down or even pinpoint the actual mass of neutrinos.

Those are sometimes called “ghost particles” because they’re so difficult to detect. Scientists with the Karlsruhe Tritium Neutrino experiment, or KATRIN, said on Monday they’ll be taking measurements “well into the next decade” and hope to produce “high-impact results.”

One of the most important open questions

Researchers say determining the mass of neutrinos is one of the most important open questions in particle physics and will help scientists better understand the history of the universe. Some 200 people from 20 institutions in seven countries are part of the project.

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Printable version | Dec 15, 2019 7:45:18 PM | https://www.thehindu.com/sci-tech/science/scientists-seek-to-find-mass-of-ghost-particle/article24137611.ece

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