There are many open questions about the Standard Model of particle physics (SM), which is currently the best description we have of the world of particle physics. Experimental and theoretical physicists vie with each other ...
General Physics
Dec 12, 2023
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13
After a five-year pause, on the evening of 26 September, lead ions collided at the Large Hadron Collider (LHC) at an unprecedented high energy of 5.36 TeV per pair of nucleons (protons or neutrons) and a collision rate six ...
General Physics
Dec 4, 2023
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1
Experiments at CERN and the Accelerator Laboratory in Jyväskylä, Finland, have revealed that the radius of an exotic nucleus of aluminum, 26mAl, is much larger than previously thought. The result, described in a paper just ...
General Physics
Nov 28, 2023
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35
Lead-208 has an intriguing nucleus. It is neutron rich, containing 82 protons and 126 neutrons. One of its more interesting properties is its structure: its center is composed of both protons and neutrons, but at its edge, ...
General Physics
Nov 15, 2023
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344
A little like humans, the nuclei of atoms tend to shrink as they lose weight. But atomic nuclei are complex quantum systems formed from neutrons and protons that are themselves composite particles made of quarks. As such, ...
General Physics
Nov 15, 2023
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91
The CMS experiment has presented its first search for new physics using data from Run 3 of the Large Hadron Collider. The new study looks at the possibility of "dark photon" production in the decay of Higgs bosons in the ...
General Physics
Nov 13, 2023
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141
If new particles are out there, the Large Hadron Collider (LHC) is the ideal place to search for them. The theory of supersymmetry suggests that a whole new family of partner particles exists for each of the known fundamental ...
General Physics
Oct 10, 2023
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218
The LHC requires a variety of different types of magnets to direct the beams around its circular shape. Currently installed in the LHC's interaction regions are 9.45-m-long double-aperture magnets of 2.8 T, manufactured by ...
Quantum Physics
Sep 29, 2023
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36
The LHC is back delivering collisions to the experiments after the successful leak repair in August. But instead of protons, it is now the turn of lead ion beams to collide, marking the first heavy-ion run in five years.
General Physics
Sep 28, 2023
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17
Binding together quarks into protons, neutrons and atomic nuclei is a force so strong, it's in the name. The strong force, which is carried by gluon particles, is the strongest of all fundamental forces of nature—the others ...
General Physics
Sep 25, 2023
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