Helium Spectroscopy Hits Record Precision
Author(s): Ryan WilkinsonImproved measurements of an electronic transition in helium-4 atoms constrain the size difference between helium-4 and helium-3 nuclei.[Physics 19, s80] Pu...
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Author(s): Ryan WilkinsonImproved measurements of an electronic transition in helium-4 atoms constrain the size difference between helium-4 and helium-3 nuclei.[Physics 19, s80] Pu...
Author(s): David EhrensteinA new experiment settles a controversy over proton and neutron energies in light nuclei.[Physics 19, s76] Published Wed May 27, 2026
Author(s): Sophia ChenNew theoretical work indicates that an array of helium-3 atoms could enable more complex quantum simulations.[Physics 19, s79] Published Wed Jul 08, 2026
Nuclear physicists used a little magic in their latest experiment conducted at the U.S. Department of Energy’s Thomas Jefferson National Accelerator Facility, and the result has re...
Researchers precisely measured the proton’s size, resolving the proton radius puzzle and strengthening confidence in the Standard Model of particle physics. Hydrogen is the simples...
Observations could help us better understand how alpha particles form inside atomic nuclei The post ‘Superallowed’ alpha decay seen for the first time appeared first on Physics Wor...
Author(s): Marric StephensA deceptively simple question spurred an exploration of physicists’ views on whether their theories describe reality.[Physics 19, 70] Published Wed May 27...
Author(s): Philip BallDecades-old experiments have now been enlisted to set new bounds on the properties of a hypothetical particle that bears a tiny fraction of the electron’s cha...
Assistant Professor Haocun Yu is something of a scientific diplomat. In a recent Physical Review Letters (PRL) publication, she and colleagues show how a tabletop experiment can br...
Millions of light-years away, millions of years ago, a star exploded. In this violent process, it ejected incredible amounts of mass, including carbon, nitrogen and oxygen—the buil...
More precise measurements agree with an initially controversial 2010 result The post Physicists confirm proton radius is smaller than we thought appeared first on Physics World.
Author(s): Matteo RiniA 100-fold improvement in a key antihydrogen measurement strengthens tests of matter–antimatter symmetry, entering a regime sensitive to the antiproton’s inte...
Author(s): Sophia ChenUsing atoms in two different highly excited states enables quantum bits that are both long-lived and manipulable.[Physics 19, s63] Published Wed May 20, 2026
Insider Brief Atom Computing and quantum algorithms company Phasecraft today announced the signing of a Memorandum of Understanding (MOU) to explore how application-focused algorit...
Author(s): Ryan WilkinsonAtomic-scale measurements show that vibrational excitations can cause electrons to move in bunches.[Physics 19, s75] Published Wed Jun 10, 2026
In a laboratory in Broomfield, Colorado, 98 atoms are suspended in mid-air, held in place by electric fields and cooled to temperatures close to absolute zero. Each atom is far sma...
Lattice QCD puts new physics to rest The post Muon g−2 calculation sets precision record and backs the Standard Model appeared first on Physics World.
The Standard Model of particle physics is a well established theory that describes the fundamental particles and forces that govern the universe. Yet it cannot explain dark matter,...
Two hydrogen atoms can't form an H2 molecule on their own in empty space. They need a surface. The universe has only one surface available, and it's something I have just spent two...
Insider Brief: Quantum technologies often advance through small acts of control, such as holding an object still, placing it in the right field, or making it interact with light in...
Electron scattering experiment gives a surprising result The post Nuclear shells govern close proton–neutron partnerships appeared first on Physics World.
Author(s): Sophia ChenResearchers have used laser cooling and trapping to isolate calcium monohydride, a key step toward producing ultracold atomic hydrogen.[Physics 19, s71] Publi...
Neutral-atom quantum hardware developer Atom Computing and quantum software specialist Phasecraft have signed a Memorandum of Understanding to collaborate on application-focused al...
A new method allows physicists to study fractional quantum Hall systems and anyon behaviour at unprecedented scale and accuracy The post Advanced simulations of exotic quantum matt...
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