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Electric Dipole Moment

All articles tagged with #electric dipole moment

physics2 years ago•2 min saved

Breakthrough Measurement Reveals Unprecedented Details of Electron's Dipole Moment and Topological Spin

Scientists at the University of Colorado have achieved the most precise measurement to date of an electron's electric dipole moment (EDM), which indicates a breaking of symmetry and could help explain the imbalance of matter and antimatter in the universe. The measurement, conducted using an intricate experimental setup, set an upper bound for the EDM that is 2.4 times higher than previous measurements and around 1 billion times larger than predicted by the Standard Model of particle physics. Understanding the electron's EDM at a precise level is crucial in the search for undiscovered particles that violate charge-parity symmetry and could provide insights into the predominance of matter over antimatter.

via ScienceAlert|

#electric-dipole-moment #electron #matter-antimatter

physics2 years ago•6 min saved

Electron's Perfect Roundness Excludes Possibility of New Particles

Physicists have been searching for asymmetry in the shape of the electron for decades, hoping to find signs of new physics. The latest experiments show that the electron is rounder than previously thought, disappointing those hoping for new discoveries. However, the results still help to constrain models for unknown particles and forces that may be missing from the current understanding of physics. The search for the electric dipole moment (EDM) of the electron continues, with two competing teams using different approaches to increase sensitivity and measurement time. The dream is that these experiments will be the first to detect signs of new physics, prompting further investigations.

via Quanta Magazine|

#electric-dipole-moment #electron #new-physics