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from the extraordinary-claims-require-extraordinary-evidence dept.
Shock result in particle experiment could spark physics revolution
Scientists just outside Chicago have found that the mass of a sub-atomic particle is not what it should be.
The measurement is the first conclusive experimental result that is at odds with one of the most important and successful theories of modern physics.
The team has found that the particle, known as a W boson, is more massive than the theories predicted.
[...] The scientists at the Fermilab Collider Detector (CDF) in Illinois have found only a tiny difference in the mass of the W Boson compared with what the theory says it should be - just 0.1%. But if confirmed by other experiments, the implications are enormous. The so-called Standard Model of particle physics has predicted the behaviour and properties of sub-atomic particles with no discrepancies whatsoever for fifty years. Until now.
CDF's other co-spokesperson, Prof Georgio Chiarelli, from INFN Sezione di Pisa, told BBC News that the research team could scarcely believe their eyes when they saw the results.
"No-one was expecting this. We thought maybe we got something wrong." But the researchers have painstakingly gone through their results and tried to look for errors. They found none.
The result, published in the journal Science, could be related to hints from other experiments at Fermilab and the Large Hadron Collider at the Swiss-French border. These, as yet unconfirmed results, also suggest deviations from the Standard Model, possibly as a result of an as yet undiscovered fifth force of nature at play.
Also at Nature and Ars Technica.
Journal Reference:
T. Aaltonen. S. Amerio. D. Amedei, et. al.,High-precision measurement of the W boson mass with the CDF II detector, Science, (DOI: https://www.science.org/doi/10.1126/science.abk1781)
(Score: 4, Insightful) by captain normal on Saturday April 09 2022, @04:40PM (1 child)
Other than a reference to "The Fifth Element" movie, I am struck by the old axiom, the more we know, the more we find we don't know.
"It is easier to fool someone than it is to convince them that they have been fooled" Mark Twain
(Score: 3, Funny) by Anonymous Coward on Saturday April 09 2022, @07:58PM
That's why we need strong leaders who do know and can tell us.