Two decades ago, an experiment at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory pinpointed a mysterious mismatch between established particle physics theory and actual lab measurements. When researchers ...
General Physics
May 5, 2020
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480
Physicists at Stockholm University and the Max Planck Institute for Physics have turned to plasmas in a proposal that could revolutionise the search for the elusive dark matter.
General Physics
Oct 9, 2019
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480
Light-by-light scattering is a very rare phenomenon in which two photons interact, producing another pair of photons. This process was among the earliest predictions of quantum electrodynamics (QED), the quantum theory of ...
General Physics
Mar 20, 2019
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856
The remarkable strength of ionic crystals is easily explained at the atomic scale: Positively and negatively charged atoms sit side by side in a repeating periodic arrangement. The strong electrostatic force in between keeps ...
Materials Science
Feb 2, 2018
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59
The first experimental result has been published from the newly upgraded Continuous Electron Beam Accelerator Facility (CEBAF) at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility. The result ...
General Physics
May 3, 2017
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116
Much like two friendly neighbors getting together to chat over a cup of coffee, the minuscule particles in our sub-atomic world also come together to engage in a kind of conversation. Now, nuclear scientists are developing ...
General Physics
Apr 5, 2017
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119
Neutrons are notoriously slippery subatomic particles. On their own, they break down in a matter of minutes, but within the confines of the atom's nucleus, neutrons are a foundational piece of nearly all known types of matter ...
General Physics
Aug 18, 2015
0
49
In a paper published yesterday in the journal Physical Review Letters, the COMPASS experiment at CERN reports a key measurement on the strong interaction. The strong interaction binds quarks into protons and neutrons, and ...
General Physics
Feb 11, 2015
1
81
You may have heard that CERN announced the discovery of a strange particle known as Z(4430). A paper summarizing the results has been published on the physics arxiv, which is a repository for preprint (not yet peer reviewed) ...
General Physics
Apr 11, 2014
13
0
When renowned scientists now talk seriously about millions of multiverses, the old question "are we alone?" gets a whole new meaning.
Other
Apr 3, 2014
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