The nature of dark matter remains one of the great unsolved puzzles of fundamental physics. Unexplained by the Standard Model, dark matter has led scientists to probe new physics models to understand its existence. Many such ...
General Physics
Aug 13, 2020
3
245
Light-by-light scattering is a rare phenomenon in which two photons—particles of light—interact, producing another pair of photons. Direct observation of this process at high energy had proven elusive for decades, until ...
General Physics
Jun 19, 2020
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44
A hallmark of the strong force at the Large Hadron Collider (LHC) is the dramatic production of collimated jets of particles when quarks and gluons scatter at high energies. Particle physicists have studied jets for decades ...
General Physics
Jun 8, 2020
3
159
A quarter-century after its discovery, physicists at the ATLAS Experiment at CERN are gaining new insight into the heaviest-known particle, the top quark. The huge amount of data collected during Run 2 of the LHC (2015-2018) ...
General Physics
Mar 4, 2020
0
306
What if you could test a new theory against data from the Large Hadron Collider (LHC)? Better yet, what if the expert knowledge needed to do this was captured in a convenient format? This tall order is now on its way from ...
General Physics
Dec 16, 2019
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453
The ATLAS experiment at CERN's Large Hadron Collider (LHC) is ready to begin another chapter in its search for new physics. A significant upgrade to the experiment, called the U.S. ATLAS Phase I Upgrade, has received Critical ...
General Physics
Sep 27, 2019
1
43
Does the Higgs boson follow all of the rules set by the Standard Model? Since discovering the particle in 2012, the ATLAS and CMS Collaborations have been hard at work studying the behaviour of the Higgs boson. Any unexpected ...
General Physics
Aug 6, 2019
1
273
Dig, dig, dig. One hundred meters underground, excavation work is under way for the High-Luminosity Large Hadron Collider project. This next-generation LHC, which will begin operation in 2026, will reach luminosities five ...
General Physics
Aug 1, 2019
1
105
Among the most intriguing particles studied by the ATLAS Experiment is the top quark. As the heaviest known fundamental particle, it plays a unique role in the Standard Model of particle physics, and perhaps in physics beyond ...
Quantum Physics
Jul 16, 2019
1
223
The High-Luminosity upgrade of the Large Hadron Collider (HL-LHC) is scheduled to begin colliding protons in 2026. This major improvement to CERN's flagship accelerator will increase the total number of collisions in the ...
General Physics
May 17, 2019
0
184
