The Fifth Fundamental Force Of Nature May Be Determined, Changing Our Understanding Of The Universe
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Muon g-2 experiment, The g−2 storage-ring magnet at Fermilab, which was originally designed for the Brookhaven g−2 experiment. The geometry allows for a very uniform magnetic field to be established in the ring. (Attribution: Glukicov, Creative Commons — Attribution-ShareAlike 4.0 International — CC BY-SA 4.0, Presented at: WindermereSun.com)
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A recent scientific experiment could impact our understanding about the laws of physics. It found evidence from the behavior of an atomic particle that points to undiscovered forces in the universe that may have played a critical part in its creation and expansion. Astrophysicist Neil deGrasse Tyson, author of the new book “Cosmic Queries: StarTalk’s Guide to Who We Are, How We Got Here, and Where We’re Going,” joins CBSN AM to talk about the discovery, in the video published on April 19, 2021, “New scientific research could change our understanding of the universe“, below:
Preliminary results from two experiments suggest something could be wrong with the basic way physicists think the universe works, raising the possibility of a newly discovered fundamental force, in the video published on April 8, 2021, “New evidence for a ‘5th force’ of nature“, below:
An international team of scientists, working on a project in the United States, say they have discovered strong evidence for the existence of a new force of nature. They say some sub-atomic particles – called muons – don’t behave in a way predicted by current theories of physics. The British funders of the research say that scientists are “on the precipice of a new era of physics”, in the video published on April 7, 2021 “Scientists find “strong evidence” for new mystery sub-atomic force of nature – BBC News“, below:
A Muon is basically a heavy electron manifesting under very high energy condition. More details about muon from the excerpt in wikipedia, in italics, below:
The muon (from the Greek letter mu (μ) used to represent it) is an elementary particle similar to the electron, with an electric charge of −1 e and a spin of 1/2, but with a much greater mass. It is classified as a lepton. As with other leptons, the muon is not known to have any sub-structure – that is, it is not thought to be composed of any simpler particles.
The muon is an unstable subatomic particle with a mean lifetime of 2.2 μs, much longer than many other subatomic particles. As with the decay of the non-elementary neutron (with a lifetime around 15 minutes), muon decay is slow (by subatomic standards) because the decay is mediated only by the weak interaction (rather than the more powerful strong interaction or electromagnetic interaction), and because the mass difference between the muon and the set of its decay products is small, providing few kinetic degrees of freedom for decay. Muon decay almost always produces at least three particles, which must include an electron of the same charge as the muon and two types of neutrinos.
Neil deGrasse Tyson discusses the scientific research, muon g-2 experiment (conducted at: CERN, at Brookhaven National Laboratory, and at Fermilab), raises suggestions about new undiscovered forces in the universe. Please refer to the excerpt on the topic of Muon g-2 from wikipedia, in italics, below:
Muon g−2 (pronounced “gee minus two”) is a particle physics experiment at Fermilab to measure the anomalous magnetic dipole moment of a muon to a precision of 0.14 ppm, which will be a sensitive test of the Standard Model. It might also provide evidence of the existence of entirely new particles.
The muon, like its lighter sibling the electron, acts like a spinning magnet. The parameter known as the “g-factor” indicates how strong the magnet is and the rate of its gyration. The value of g is slightly larger than 2, hence the name of the experiment. This difference from 2 (the “anomalous” part) is caused by higher-order contributions from quantum field theory. In measuring g−2 with high precision and comparing its value to the theoretical prediction, physicists will discover whether the experiment agrees with theory. Any deviation would point to as yet undiscovered subatomic particles that exist in nature.
The three data-taking periods (Run-1, Run-2, and Run-3) have been completed, with Run-4 currently ongoing. The results from the analysis of the Run-1 data were announced and published on April 7, 2021. The physicists reported that results from recent studies involving the particle challenged the Standard Model and, accordingly, may require an updating of currently understood physics.
The first results from the Muon g-2 experiment hosted at Fermilab show fundamental particles called muons behaving in a way not predicted by the Standard Model of particle physics. Announced on April 7, 2021, these results confirm and strengthen the findings of an earlier experiment of the same name performed at Brookhaven National Laboratory. Combined, the two results show strong evidence that our best theoretical model of the subatomic world is incomplete. One potential explanation would be the existence of undiscovered particles or forces. This video explains what a muon is, how the Muon g-2 experiment works, and the significance of this result, in the video published on April 7, 2021, “Muon g-2 experiment finds strong evidence for new physics“, below:
This 4.2 standard deviation discrepancy is suggesting that the Standard Model of Physics is Incomplete! In the video published on April 13, 2021, “Have Scientists Really Discovered a New FORCE? Muon g-2 Experiment EXPLAINED by Parth G” below:
Physicists are excited and say this could be a major breakthrough in our understanding of the universe. It all has to do with the behavior of sub-atomic particles called muons. Experiments at a lab near the US city of Chicago have shown that muons move at a rate that’s faster than expected – potentially unlocking the secrets of a previously undiscovered fifth force of nature, in the video published on April 14, 2021, “Muon experiment: Did scientists just discover a new force of nature? DW News“, below:
In the video published on April 7, 2021, “Why the Muon g-2 Results Are So Exciting!” below:
You may be interested in this video, published on August 15, 2012, “Michio Kaku: The Universe in a Nutshell (Full Presentation), Big Think“, below:
Gathered, written, and posted by Windermere Sun-Susan Sun Nunamaker More about the community at www.WindermereSun.com
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