资讯

symmetry magazine6 天
Elusive romance of top-quark pairs observed at the LHC
The CMS and ATLAS experiments at CERN’s Large Hadron Collider have observed an unforeseen feature in the behaviour of top ...
Symmetry Magazine14 年
The do-it-yourself cyclotron - symmetry magazine
Amateur cyclotron builders are dedicated, tenacious, and obsessed. Another thing they have in common: The experience changes their lives.
Symmetry Magazine4 年
The status of supersymmetry | symmetry magazine
Once the most popular framework for physics beyond the Standard Model, supersymmetry is facing a reckoning—but many researchers are not giving up on it yet.
Symmetry Magazine9 年
The Standard Model of Particle Physics | symmetry magazine
The Standard Model is a kind of periodic table of the elements for particle physics. But instead of listing the chemical elements, it lists the fundamental particles that make up the atoms that make ...
Symmetry Magazine9 年
The neutrino turns 60 - symmetry magazine
Project Poltergeist led to the discovery of the ghostly particle. Sixty years later, scientists are confronted with more neutrino mysteries than ever before.
Symmetry Magazine6 年
The potential of plasma wakefield acceleration - symmetry magazine
Scientists around the world are testing ways to further boost the power of particle accelerators while drastically shrinking their size.
Symmetry Magazine5 年
How do neutrinos get their mass? - symmetry magazine
Neutrinos don’t seem to get their mass in the same way as other particles in the Standard Model. In 1998, researchers made a discovery that challenged their understanding of particle physics and ...
Symmetry Magazine5 年
Vera Rubin, giant of astronomy | symmetry magazine
The Large Synoptic Survey Telescope, a flagship astronomy and astrophysics project currently under construction on a mountaintop in Chile, will be named for astronomer Vera Rubin, a key figure in the ...
Symmetry Magazine9 年
The age of the universe | symmetry magazine
The Hubble puzzle The Hubble constant has not been easy to measure, and the number has changed several times since the 1930s, Kuo says. One way to check the Hubble constant is to compare its ...
Symmetry Magazine4 年
What is a photon? - symmetry magazine
The fundamental particle of light is both ordinary and full of surprises. What physicists refer to as photons, other people might just call light. As quanta of light, photons are the smallest possible ...
Symmetry Magazine3月
Don’t call it toponium | symmetry magazine
A large and unexpected excess of top quark pairs has the physics community excited, but the interpretation is still up for debate. In 1995, Alexander Grohsjean cut out a story from the local German ...
Symmetry Magazine8 年
The Standard Model of particle physics | symmetry magazine
The Standard Model is a kind of periodic table of the elements for particle physics. But instead of listing the chemical elements, it lists the fundamental particles that make up the atoms that make ...