Standard Model

From The Conversation, December 21, 2021: Aaron McGowan, Principal Lecturer in Physics and Astronomy at the Rochester Institute of Technology explores research in 2021 in which physicists around the world ran a number of experiments that probed the Standard Model. From Higgs Boson, to Muon g-2 and the restart of the LHC at CERN, McGowan highlights some of the ways the Standard Model fails to explain every mystery of the universe.

From Science News, December 21,2021: Science News has compiled discoveries in 2021 dared the world to consider grand possibilities in physics, space and the origins of life. Fermilab’s “Misbehaving muons” is among the line-up for 2021.

From Discover Magazine, December 19, 2021: In April, an international collaboration of more than 200 scientists, led by Fermilab reported findings that may open a door to physics that transcends the Standard Model. Muon g-2’s magnetic moment goes beyond the Standard Model.

Building experimental evidence suggests that the electron, muon and tau may feel different forces.

From Universe Today, November 5, 2021: Neutrinos might make up a small portion of dark matter, but most dark matter must be something else. Because neutrinos are so close to satisfying the properties of dark matter, some scientists have argued dark matter might be a yet undiscovered variety known as sterile neutrinos.What did Fermilab’s newest experiment MicroBooNE see?

From Le Scienze (France), November 4, 2021: The preliminary analysis of three years of data from the MicroBooNE experiment show no signs of the existence of a fourth type of neutrino. The standard model of particle physics remains confirmed but it has not excluded clues to exotic physical phenomena may emerge.

From Scientific American, November 4, 2021: Physicists have wondered if neutrino particles come in a mysterious fourth variety. Now new experimental findings complicate the question. Physicists have wondered if neutrino particles come in a mysterious fourth variety. The MicroBooNE experiment findings announced last week by Fermilab heightened the mystery of why too many particles showed up in a detector during an experiment on the 1990s.

From Forbes, October 27, 2021: Fermilab’s Don Lincoln discusses the journey of the hypothetical sterile neutrino and the results of the MicroBooNE experiment hosted at Fermilab. Have sterile neutrinos been ruled out?

From the BBC, October 27, 2021: Yesterday, the MIcroBooNE collaboration opened a new chapter in physics with the announcement of their results; the search failed to find the particle, known as the sterile neutrino.

Four complementary analyses by Fermilab’s MicroBooNE show no signs of a theorized fourth kind of neutrino known as the sterile neutrino. Its existence is considered a possible explanation for anomalies seen in previous physics experiments.